动态第945页 - 绿手指 - 养花技巧、花生病了怎么办、花园打理和设计

2017年08月17日

Epiphyllum cactus are also called orchid cactus due to their lovely flowers. The flowers turn into a chubby little fruit filled with tiny seeds. Growing Ephiphyllum seeds will take some patience but it is a rewarding endeavor that will give you more of these beautiful epiphytic cacti. Epiphyllum have flat-leaf stems set in disjointed connections. The stems produce brilliantly colored flowers that may span up to nearly 10 inches in diameter but are more commonly an inch or two. As epiphytes, these plants grow on trees in their native regions. As houseplants, they prefer a lightly gritty soil with peat moss as an addition. [图片]Epiphyllum Cactus Fruit Epiphyllum flowers have a similar structure to any other bloom. The ovary is at the heart of the flower and will foster the formation of the fruit or seed pod. The petals on Epiphyllum are arranged differently, depending upon the variety. Some are cup-shaped, others bell-shaped and still others funnel-shaped. The arrangement of the petals may be irregular or spoke-like. Once the pollen tipped stamen are ripe, busy insects move from flower to flower, transferring the pollen. If you are lucky and your cactus flowers get pollinated and fertilized, the bloom will drop off and the ovule will begin to swell and turn into Epiphyllum seed pods or fruit. The pods on Epiphyllum plants are the result of a successful fertilization. They are round to oval slightly bumpy bright red fruits, filled with soft pulp and small black seeds. Is Epiphyllum fruit edible? Most cactus fruits are edible and Epiphyllyum is no exception. Epiphyllum cactus fruit have variable flavor, depending upon the cultivar and when the fruit is harvested, but most say it tastes like dragon fruit or even passion fruit. [图片]Epiphyllum Cactus Seed Info Epiphyllum flowers have a similar structure to any other bloom. The ovary is at the heart of the flower and will foster the formation of the fruit or seed pod. The petals on Epiphyllum are arranged differently, depending upon the variety. Some are cup-shaped, others bell-shaped and still others funnel-shaped. The arrangement of the petals may be irregular or spoke-like. Once the pollen tipped stamen are ripe, busy insects move from flower to flower, transferring the pollen. If you are lucky and your cactus flowers get pollinated and fertilized, the bloom will drop off and the ovule will begin to swell and turn into Epiphyllum seed pods or fruit. The pods on Epiphyllum plants are the result of a successful fertilization. They are round to oval slightly bumpy bright red fruits, filled with soft pulp and small black seeds. Is Epiphyllum fruit edible? Most cactus fruits are edible and Epiphyllyum is no exception. Epiphyllum cactus fruit have variable flavor, depending upon the cultivar and when the fruit is harvested, but most say it tastes like dragon fruit or even passion fruit. [图片]Epiphyllum Cactus Seed Info The pods on Epiphyllum plants are edible. The best taste seems to be when they are plump and bright red. Once the fruit begins to shrivel, the seeds are ready to harvest, but the flavor will be off. Epiphyllum seed pods need to have the pulp scooped out in order to harvest the seed. Soak the pulp in water and scoop the pulp. Any floating seeds provide important Epiphyllum cactus seed info, as these are duds and not viable. They should be discarded. Once all the pulp and bad seeds are out, drain off the good seeds and let them air dry. They are now ready to plant. [图片]Growing Epiphyllum Seeds Create a growing medium of potting soil, peat and fine grit. Choose a shallow container in which to germinate the seeds. Spread the seed across the surface of the soil and then lightly sprinkle some soil mixture over them. Mist the surface deeply and then cover the container with a lid to keep in moisture and promote heat. Once the seedlings have appeared, grow the plants in a bright location with indirect light. Keep the babies lightly moist and remove the cover occasionally to allow them to breathe. Once they are too tall for the lid, you can dispense with it and allow them to continue growing for 7 to 10 months. Then it is time to repot them individually. It can take 5 more years before the new plants bloom, but the wait is worth it as you watch the plant develop.

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2017年08月17日

Epiphyllum are epiphytic cacti as their name suggests. Some call them orchid cactus due to their large bright blooms and growth habit. Epiphytic plants grow on other plants, not in a parasitic fashion but as hosts. They are not cold hardy and generally can be found only as houseplants or greenhouse specimens. Caring for Epiphyllums is a water balancing act. They can’t be allowed to dry out, yet overwatering is a death sentence to these cacti. Here are a few tips on how to grow Epiphyllum and achieve healthy plants that will astound with their blooms and fruit. [图片]Epihyllum Information Epiphyllum make excellent hanging baskets with their jointed stems that grow 18 to 30 inches long. They are native to tropical Central and South America and span approximately 20 species. The pendant stems crown with spectacular flowers that last only a couple of days but produce from early winter through spring. They are a peculiar plant that flowers best when exposed to cool temperatures and shortened light periods. These cacti grow in tropical forests, nestled in tree crotches and rotting vegetation. They can live off of leaf mold and other organic wastes. In cultivation, they perform well in standard potting soil amended with peat and sand. Use clean sand, not the saline laden sand from a beach. They can be fussy about their water, so use bottled or de-mineralized water to prevent unfavorable reactions to treated tap water. An interesting bit of Epiphyllum information is that they grow edible fruit. The fruit is said to taste much like passion vine fruit and has a texture similar to kiwi, including the small black seeds. [图片]How to Grow Epiphyllums Collectors that are growing Epiphyllum cactus tend to call them “epis” for short. There are true Epiphyllums but also several hybrids available for trade. The plants start readily from seed but may take up to 5 years to bloom. A more common method of propagation with quicker results is from stem cutting taken in spring or summer. Make a clean cut on new growth and allow the end to callus for a couple of days. Push the callused end into clean potting soil that is moderately moist. Place the container in bright indirect light and keep soil misted. It can take 3 to 6 weeks for the cutting to root. New Epiphyllum plant care is the same as that for a mature plant. [图片]Caring for Epiphyllum Cacti Choose a filtered light location for growing Epiphyllum cactus. A site where they get full morning sun but shelter from high noon light is best for their growth. Use a diluted fertilizer of 10-10-10 during the growth periods in spring and fall. In February, use a ratio of 2-10-10 to promote flowering and root development. Once flowering has commenced, suspend feeding the plant until October. These plants appreciate cool temperatures and actually need to be exposed to 50 to 60 degrees Fahrenheit (10 to 15 C.) in winter for a couple of weeks to force blooms. Temperatures below 35 F./1 C. will kill the plant, however. Keep the top 1/3 of the soil moderately damp but watch for standing water around the roots and don’t over water or fungus gnats and stem and root rot will become a problem. Epiphyllum plant care is all about balancing water and light needs. They have few insect or disease problems and will bloom, and possibly fruit, for an entire season with good management.

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2017年08月17日

Cacti come in a bewildering array of forms. These marvelous succulents have incredible adaptations to survive the inhospitable terrains they generally inhabit. Epiphyllum curly locks is an example of a cactus that uses its stems to capture more moisture and light. The plant has curly, curved stems which are the result of a mutation of a plant called Epiphyllum guatemalense. The name for this mutated cactus is Epiphyllum monstrosa. If you know someone with the plant, it is easy to learn how to grow curly locks from stem fragments. [图片]Epiphyllum Curly Locks Info Epiphytic plants live in trees and rock crevasses. The mother of the Epiphyllum cactus, curly locks, was from Guatemala. It was a plant that sprouted one or more abnormal curved stems. These were harvested and cloned to produce the crazy little cactus we propagate today. These plants are wonderful hanging basket specimens and make quite the conversation piece with their twisted, arching limbs. In nature, curly locks might be growing in a tree crotch or other almost soilless area. Epiphyllums are often called air plants because they do not rely upon terra firma as their growing medium. Curly locks have bright green, twisting stems. It produces 3-inch wide white flowers with 6-inch long tubes that open at night. This is because in nature it is pollinated by moths and bats, and these night animals can see the big white blooms easily. Oval, bright pink seedy fruits form once blooms are pollinated. These fruits are juicy and edible. The plant is also self-pollinating and fruits can form even without the intervention of insects and mammals. Epiphyllum plants are often called orchid cacti. [图片]How to Grow Curly Locks Most Epiphyllum cacti are easy to grow from pieces of the stem. Allow cut pieces to callus for several days then plant into an appropriate medium. Make your own potting mix with 3 parts commercial potting soil and 1 part small to medium pumice. If pumice is not available, use bark chips or perlite. The soil must hold moisture but drain quickly. Keep the cutting in low light until it roots. Do not let the medium dry out but don’t let it get soggy either. The orchid cactus cutting needs to be installed 1 or 2 inches below the soil at a serration. Rooting should occur in a couple of weeks and after that the plant really takes off, producing new curled stems. [图片]Curly Locks Orchid Cactus Care The biggest danger is overwatering. The cactus needs to have moist roots at all times but they should not be sitting in a dish of water. Make sure the top 1/3 of the soil is dry before watering. In late winter, expose the cactus to cooler temperatures to promote spring flowering. Keep them in the basement or a garage for a couple of weeks to spur bud formation. The other biggest danger when raising Epiphyllums is lighting. Consider that these plants grow in thick forests in the understory and are used to dappled light at best. Just like any plant, they need light but should be protected from bright midday light. Morning sun is preferable with indirect light the rest of the way. If you find a spot where the cactus is happy, make sure to leave it there, as they do not like change. Use a 10-10-10 fertilizer diluted weekly during the growing season. In February, feed the plant with a 2-10-10 to promote blooming. Repot every 7 years or so, but be warned, the plant only blooms when it is pot bound. It might be best to wait and see if you get flowers before giving the plant a new home.

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2017年08月17日

Succulent plants are easy to love. Their ease of care, sunny dispositions and moderate growth habits make them perfect for warm seasons outdoors or well lit interiors. The Echeveria succulent plant is just such a specimen, thriving on brief periods of neglect and low water and nutrients. Echeveria care is practically foolproof and grows well in either containers or toasty garden beds. The many varieties and colors of Echeveria plants provide wonderful tones and texture for mixed beds and pots. [图片]Details on Echeveria Plants Echeveria spp. stem from thick-leaved rosettes. The leaves are fleshy and have a waxy cuticle on the exterior. Often the leaves are colored and a firm touch can mar the skin and leave marks. The Echeveria succulent plant is slow growing and usually doesn’t exceed 12 inches in height or spread. Native from Texas to Central America, the plants prefer desert conditions, but will tolerate periods of moisture as long as they are allowed to dry out before applying more water. Growing Echeveria in an unglazed clay pot, which will allow water to evaporate, is ideal. Otherwise, they need full sun and well drained soil. There are 150 cultivated varieties of the plants, one of which is probably right for you. [图片]Growing Echeveria These easy little succulents produce offsets or baby plants nestled against the mother rosette. These are easy to separate and grow. Just pull the little rosette away and replant in a cactus mixture or homemade blend of equal parts sand, topsoil and compost. You can also start new plants from leaf cuttings. Simply lay the leaf on the surface of the soil. It will root within a few weeks and soon a small rosette will grow next to the rooted leaf. The leaf will dry up and crumble off of the new plant. [图片]Care Instructions for Echeveria The most important part of good Echeveria care is watering. The biggest issue with the succulents is overwatering. Provide moderate amounts of water in the hot, dry season. Let the soil dry out completely before you irrigate again. Potted plants should not be left in a wet saucer. Soft rots and root rot issues occur when the plant is too wet. The only other issue of concern is the mealybug. Their feeding behavior can seriously minimize the plants vigor. Situate the plants in full sun and mulch around them with gravel or sand to help prevent weeds and conserve moisture. Protect the plants from freezing temperatures and store potted plants indoors in winter. The plants do not need pruning, but you may pinch off damaged or errant growth as needed. [图片]How to Use Echeveria The sheer variety of these plants and other succulents means they lend themselves well to group displays. Potted displays with several varieties or different types of succulents and cacti make attractive additions to the home interior or exterior. Mix and match colors and sizes for unique settings. Put the larger varieties in the center and the trailing or shorter types at the edges. Continue general care instructions for Echeveria, which will also work for most other types of succulents.

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2017年08月17日

Hybridization has given us a host of beautiful and unusual plants to choose from when decorating our homes. The cactus family is a perfect example of the spectrum of plants available. The holiday plants such as the Christmas and Easter cactus, are the hybrids of the Brazilian forest cactus. These segmented plants bloom at certain times of the year, which gives them the holiday designations. [图片]What is the Difference Between a Christmas Cactus and an Easter Cactus? The Thanksgiving and Christmas cactus (Schlumbergera bridgesii) are members of the Schlumbergera family, while the Easter cactus is a Rhipsalidopsis. The former hails from Brazilian rainforests while the latter is from drier forests. Christmas cactus blooms around the winter holidays. The Easter cactus plant blooms late winter to early spring. Both types have flattened stems, called segments, which are lightly serrated on the edges. [图片]The segments are actually the leaves of the plant. About Easter Cactus Plant The Easter cactus plant (Rhipsalidopsis gaertnerii) comes in a variety of bloom colors. Usually they are in bloom at the time of purchase and are common holiday gifts. Flower tones range from white to red, orange, peach, lavender and pink. Even following its bloom, the plant has an interesting appeal in its unusual shape. The segments are added onto by new growth, creating a rickety stacked appearance. The plant doesn’t have the same spines as a dessert cactus but a more undulating form with softer pointed nodes on the edges of the leaves. Getting an Easter cactus to bloom the next year requires a special set of conditions which amount to a form of neglect. [图片]How to Care for Easter Cactus These plants perform best in bright light, but not direct sunlight. Unlike dessert cacti, these plants need cooler temperatures, even during the day, and will bloom for months in nighttime temperatures of 55 to 60 degrees F. (13-16 C.). Keep the soil lightly moist and allow it to dry out before watering again. Good Easter cactus care means repotting the plant every two years in spring. The plants enjoy being pot bound, but give it new soil and return the plant to the same pot. Fertilize monthly after the bloom period with a 10-10-10 or food with a low nitrogen count. Provide some humidity if your home is dry. Place the plant on a saucer filled with pebbles and a little water. The evaporation will moisten the air around the plant. Getting an Easter Cactus to Bloom If you followed your Easter cactus care faithfully, you should have a healthy green cactus. These delightful plants actually need cool temperatures and long nights to set buds. To accomplish flowers, you must be a little rude to them. First stop feeding them. Then move the plant where it has 12 to 14 hours of darkness. Best bud set occurs when temperatures are 50 F, (10 C.). Water sparingly from October to November. By December, you can move the plant somewhere warmer with a 60 to 65 degree range (16-18 C.). The plant will flower in February to March.

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2017年08月17日

Christmas cactus is a popular gift and houseplant. Blooming specifically during periods with long nights, it’s a welcome flash of color in the dead of winter. If you’re looking to plant or repot a Christmas cactus, however, you should be aware of a few specific soil requirements to ensure a good bloom in the next season. Keep reading to learn about soil requirements for Christmas cactus. [图片]Christmas Cactus Soil Requirements In its native Brazil, the Christmas cactus has very specific growing conditions. It’s an epiphyte, meaning it grows on the trunks of larger trees and gains most of its moisture from the air. It sinks its roots into decomposing leaves and debris resting on the sides of trees. It also draws some moisture from this makeshift soil, but because of its small volume and position high in the air, this soil dries out easily even with daily rainfall. This means that the best soil for Christmas cactus is extremely well draining. [图片]How to Make a Potting Mix for Christmas Cactus You can buy commercial potting mixes for cacti that will ensure good drainage. With just a little effort, however, you can make your own. The easiest medium requires three parts regular potting soil mixed with two parts perlite. This will provide perfectly adequate drainage. If you’d like to take it a step further, mix equal parts compost, perlite, and milled peat. Water your Christmas cactus whenever the soil is dry – try not to let the soil dry out completely, but don’t let water stand in the pot or the saucer underneath. Drainage is much more important than water volume. Used to growing in small nooks on trees, the Christmas cactus likes being slightly root bound. Plant it in a pot that provides just a little room for growth, and transplant it no more frequently than every three years. [图片]

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2017年08月17日

Christmas cactus (Schlumbergera bridgesii) is a popular winter-flowering houseplant that usually blooms over the holidays at the end of the calendar year. Varieties offer flowers in many different shades. Native to Brazil, Christmas cacti are epiphytes that grow in tree branches in rain forests. Since their stems hang down, they are perfect plants for hanging baskets. If a stem of your mature Christmas cactus is getting woody, it doesn’t mean that anything is amiss. That means that there is no reason to try fixing a Christmas cactus with woody stems. Read on for more information about woody Christmas cactus. [图片]Woody Christmas Cactus Stems A Christmas cactus that is cared for properly will last a long time, a quarter century or even longer. Ideal Christmas cactus growing conditions include light shade in summer and full sunlight during fall and winter. Too much sun in summer pales or yellows the plants. Christmas cactus plants generally grow large with age. As the plant gets older and bigger, and the base of the stems get woody. There is no need to think about fixing a Christmas cactus with woody stems. This is a perfectly natural condition and woody Christmas stems indicate a healthy plant. [图片]Care of Old Christmas Cactus If you buy or inherit an old Christmas cactus, it is likely a large plant. Proper care of old Christmas cactus includes cutting back overgrown branches and, sometimes, repotting the plant. One of the first steps in care of old Christmas cactus is a good trim of the branches. When the branches become too long and heavy, they are likely to break off, so it’s better if you trim instead. This is especially true if the leaves look shriveled, thin or limp at the ends. Trim the branches back by clipping at the segment joints. For overgrown cactus, cut each branch back by at least a third and up to three-quarters of its length. If a branch of the Christmas cactus is getting woody at the base, you can even cut it all the way back to the woody section. New green sections will grow from the wood. [图片]

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2017年08月17日

Maybe you’ve seen dragon fruits for sale at your local grocery store. The red or yellow collection of layered scales looks almost like an exotic artichoke. Inside, however, is a sweet mass of white pulp and tiny, crunchy seeds. If you want to grow dragon fruit at home, you’ll be rewarded not only with fruit, but also with an impressive, branching cactus vine and brilliant, night-blooming flowers. Keep reading to learn how to grow dragon fruit. [图片]Pitahaya Information Dragon fruit (Hylocereus undatus), also known as pitahaya, is native to Central and South America and needs year-round heat. It can tolerate a brief frost and will recover quickly from any freeze damage, but prolonged exposure to below-freezing temperatures will kill it. It can tolerate heat up to 104 F. (40 C.). Although it is a cactus, it requires a relatively high amount of water. Dragon fruit trees are vining, and need something to climb. They are also heavy – a mature plant can reach 25 feet (7.6 m.) and several hundred pounds. Bear this in mind when building your trellis. The best choice is strong wooden beams. A decent amount of pruning and tying is necessary in training it to follow the trellis, but dragon fruit trees are fast growing and very tolerant of pruning. [图片]How to Grow Dragon Fruit Dragon fruit trees can be started from seeds, but it may take as long as seven years for the plant to produce fruit. Because of this, the much more popular alternative is growing dragon fruit from a cutting of an already mature plant. This method could produce fruit in as little as 6 months. To propagate, cut a full segment from a mature plant. This may be anywhere from 6-15 inches (12-38 cm.). Make a slanted cut in the open end and treat it with fungicide. Then allow it to “cure” in a dry, shady place for a week, letting the open cut dry and heal. After that, you can plant it directly in the ground. You may get better results, however, if you first plant it in a pot and let it establish a good root system for 4-6 months first before transplanting.

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2017年08月17日

Collectors of succulents will be excited about Crassula pagoda plants. For sheer architectural interest, this unique plant evokes images of a trip to Shanghai where religious temples reflect the unimaginable forms of stacked architecture and astounding building prowess. Red Pagoda Crassula is an easy-to-grow plant that will add punch to any succulent display or as a stand-alone specimen. Here are a few tips on how to grow Red Pagoda and harness the impact of its structure and colorful foliage. [图片]Red Pagoda Crassula Succulents offer a wide range of form to suit any discernible gardener. The Crassula genus has over 150 different species, each more surprising than the last. The fairly common jade plant is in the genus. Crassula pagoda plants have an even more diverse “wow” factor. The stacked triangular foliage edged with red and fine prickly spines are eye candy for the succulent enthusiast. Growing Crassula Red Pagoda is a must for the gardener crazy about succulents and collecting. Red Pagoda (Crassula corymbulosa) grows spirally arranged, thick fleshy leaves bordered with bright pink, red or sometimes orange. Once you get over the color, the geometric arrangement of the leaves will astound and amaze. The effect of the layered leaves is hard to describe without invoking artistic expression. Each new rosette of leaves grows on top of an older rosette. The new leaves are mostly green and small but they get larger and larger with brighter colors as you view down the plant’s stem. The effect is almost an optical illusion of looking into a deeply hued, ribbed tunnel. The plant is also called shark’s tooth due to the triangular serrated pads. [图片]How to Grow Red Pagoda Soil, light and air circulation are key needs for growing Crassula Red Pagoda. The stems are initially erect but over time, as new rosettes form, it will begin to trail. This means you can grow the plant in a hanging basket. It is equally at home in a rockery, clay pot or amongst a display of other succulents in the garden. Red Pagoda is only hardy in United States Department of Agriculture zones 11 to 12 but it performs well as a houseplant, too. Plants prefer well-drained soil with plenty of grit but can survive in amended clay soil. Like most succulents, Red Pagoda is easy to grow from cuttings. Allow the cutting to callus for a few days and insert into a soilless medium. In a month or so, the plant will root and can be transplanted to a display container or the garden. [图片]Caring for Crassula Succulents Red Pagoda gets its deepest, most vibrant color in winter in a bright location. Plants located in sun develop hues that are rich and jewel-like. The plant has low water needs but it is best to follow a regular schedule of watering in the first year to force a vigorous root system. Red Pagoda is both deer and rabbit resistant, thrives in drought conditions for short periods of time, can perform well in either full or partial sun and has low nutrient requirements. About the only thing that will kill the plant is overwatering, which causes root rot, and a few pests such as mealybugs and aphids. Remove the spent leaves to preserve the best appearance. Lazy gardeners will love caring for Crassula succulents due to their unfussy natures. Good care may see you rewarded in summer with lovely white flowers that are attractive to bees. Divide the plants every 2 or 3 years and share the gift of this unique plant.

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2017年08月17日

Claret cup cactus is native to the desert areas of the American Southwest. What is a claret cup cactus? It grows wild in Juniper Pinyon woodlands, creosote scrub and Joshua tree forests. This tiny succulent is only hardy to United States Department of Agriculture zones 9 to 10, but you can grow one in your home and enjoy its impressive floral displays. Enjoy this claret cup cactus information and see if this plant is right for your home. [图片]Claret Cup Cactus Information Plants of the Southwest are particularly appealing to those of us who do not live in these wild desert zones. The sheer variety and wonder of the desert landscape is a treasure even indoor gardeners are keen to experience. Claret cup hedgehog cactus is one of those desert beauties that warm, arid climate gardeners can grow outside in their landscape. The rest of us can try growing claret cup cacti as summer patio plants or indoor specimens. [图片]So what is a claret cup cactus? Claret cup is found from California west to Texas and into Mexico. It is a desert dweller that grows in gravel soil. The plant is also known as claret cup hedgehog cactus because of its scientific name, Echinocereus triglochidiatus. The part “echinos” is Greek and means hedgehog. The cactus is small and spiny with a rounded little body, so the name is appropriate. The remainder of the scientific name, triglochidiatus, refers to the clustered trios of spines. The name literally means “three barbed bristles.” These cacti rarely get over 6 inches tall but some are up to 2 feet in habitat. The barrel-shaped form may or may not develop one or many rounded stems with bluish green skin and 3 kinds of spines. If you are very lucky, you may find one in full flower decorated with huge waxy, deeply pink cup-shaped blooms. Claret cup hedgehog cactus flowers are pollinated by hummingbirds, which are attracted to the large amount of nectar and the brightly colored blooms. [图片]Claret Cup Cactus Care If you are interested in growing claret cup cacti, your first challenge will be to find one. Most nurseries do not grow this species and you should not purchase a wild harvested plant which encourages habitat destruction. The first rule in any cactus cultivation is not to over water. While cacti do need moisture, they are suited to dry conditions and cannot thrive in moist soil. Use a sandy potting mix or cactus mix to enhance drainage and plant the cactus in an unglazed pot to allow excess moisture to evaporate. In open garden situations, this plant will need to be watered every two weeks or as the soil is dry to the touch 3 inches down. Cacti respond well to fertilizer applied in spring and once per month in a liquid dilution during watering. Suspend fertilizing in winter and minimize water applications since this is the plant’s dormant period. Most pests do not bother claret cup cactus but occasionally mealybugs and scale will infest the plant. Overall, claret cup cactus care is minimal and the plant should thrive with some amount of neglect.

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