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Dummer. ゛☀
2017年08月27日
Dummer. ゛☀
Drought tolerant plants are important parts of the home landscape. Prickly pear plant is an excellent arid garden specimen that is appropriate for USDA plant hardiness zones 9 to 11. Growing prickly pear in colder climates can be done in containers where they are moved indoors when cold temperatures threaten. The question, “How to grow prickly pear?” is best answered with a little background on the plant.
Prickly Pear Plant Characteristics Prickly pears are vigorously growing cactus with detachable spines which means they may not be suitable for every garden. The plants are perfect for the hot as a griddle areas of your garden. The plant is comprised of wide, flat, thick pads that are covered in spines and segmented stems. There are 181 species of prickly pear plant that range from low growing plants just over a foot high to 18 foot high giants.
Types of Prickly Pear The wide range of cactus available for the home garden, provide a plant for every warm season situation. The diminutive Beavertail prickly pear (Opuntia basilaris) has bluish gray pads that are slightly triangular in shape and carried on a 20 inch tall frame that can spread 20 to 30 inches wide. The Indian fig prickly pear (Opuntia ficus-indica) is a monster of a cactus that grows in a treelike habit. It bears an edible fruit and large orange or yellow flowers. The types of prickly pear have numerous descriptive names, among them bunny ears (Opuntia microdasys) and cow’s tongue (Opuntia engelmannii).
Planting Prickly Pear The first thing to remember when planting prickly pear is to wear thick gloves and full length sleeves. It will be helpful to have a second pair of hands to keep the cactus stable when lowering it into the hole. Plant the prickly pear at the same level it was growing in the nursery pot. Some exterior support may be necessary for larger specimens while it establishes. Planting prickly pear cactus requires careful handling to avoid damaging the plant and you.
How to Grow a Prickly Pear Prickly pears are easy to grow. They need well-drained soil and can survive on rainwater after established. During rooting, the plant should be irrigated every two or three weeks. When you choose a cactus, consider the size it will eventually become and plant it away from pathways and areas where people will brush against it. Growing prickly pear successfully relies on a warm, dry climate. You can easily grow your own prickly pear. Propagation from pads is quick and quite simple. The pads are actually specialized flattened stems. Six month old pads are removed from the plant and set out in a dry area to form a callus on the cut end for several weeks. A half and half mix of soil and sand is good for planting prickly pear pads. The pad will form roots in a few months. During this time, it needs support and should not be watered. The pad can be watered after it will stand on its own.
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Dummer. ゛☀
2017年08月27日
Dummer. ゛☀
Mistletoe cactus (Rhipsalis baccifera) is a tropical succulent native to rainforests in warm regions. The grownup name for this cactus is Rhipsalis mistletoe cactus. This cactus is found in Florida, Mexico and Brazil. Surprisingly, growing Rhipsalis requires shade to partial shade. While most cacti are found in hot, sunny, arid zones, mistletoe cactus is unique in its requirements for moisture and dim light. Take some tips on how to grow mistletoe cactus and enjoy this unique and entertaining looking plant.
About Rhipsalis Plants Rhipsalis mistletoe cactus is also called chain cactus and grows epiphytically in its tropical forest home. The cactus has pencil thin succulent stems that may reach 6 feet in length. The thick skin of the stems does not produce thorns, but it does have almost imperceptible bumps on the surface of the plant. These plants are found clinging to tree crotches, in branch nooks and nestled in rock crevasses. The Rhipsalis mistletoe cactus is easy to grow and has very minimal needs. It is perfect for the home interior in a northern or western window.
Requirements for Growing Rhipsalis Mistletoe cactus is only hardy in USDA plant hardiness zones 9 to 10. The plant is most often found indoors and may simply be mounted on a piece of bark like an orchid or potted in a good cactus mix. If you are not prone to overwatering, you can plant the cactus in regular potting soil mixed with sand or other gritty material. The plant is used to living in the understory of the forest, where temperatures are at least 60 F. (15 C.) and light is filtered through the high limbs. Growing Rhipsalis is practically foolproof as long as you mimic its native conditions.
How to Grow Mistletoe Cactus Mistletoe cacti are easy to grow from cuttings. Seeds take way too long and they require very even environmental conditions. Take cuttings and let the severed end callus for a few days. Plant the callused end in a cactus mix or sand that has been lightly moistened. Cuttings root in two to six weeks. Seeds can be started indoors in flats filled with sand and peat. Moisten the medium and plant the seeds 1/4-inch deep. Keep the medium barely moist until the plants germinate. Grow young plants in semi-shade and water when the surface of the soil is dry.
Mistletoe Cactus Care Ensure that your mistletoe cactus is planted in well-drained soil. Potted plants benefit from a saucer filled with rocks and water to increase the ambient humidity in the home interior. The plant rarely needs fertilizing and has few other needs except moderate light and even moisture. Fertilize with a half dilution of cactus food from April to September, once per month. Water frequently in spring and summer, but suspend water in winter. If any of the stems are damaged, you can trim them off with a sharp, sterile knife. Use these as cuttings to start new Rhipsalis mistletoe cactus.
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Dummer. ゛☀
2017年08月27日
Dummer. ゛☀
Opuntia, or prickly pear cactus, is native to Mexico but grown all across its possible habitat of USDA zones 9 through 11. It usually grows to between 6 and 20 feet in height. Opuntia diseases occasionally occur, and one of the more common is Sammons’ Opuntia virus. Keep reading to learn more about Sammons’ virus of Opuntia cactus.
Treating Virus in Cactus Plants Opuntia vulgaris, also known as Opuntia ficus-indica and more commonly as Indian fig prickly pear, is a cactus that produces tasty fruit. The pads of the cactus can be cooked and eaten as well, but the main draw are the edible orange to red fruits. There are a few common Opuntia diseases. Identifying a virus in cactus plants is essential, as some are much more of a problem than others. Sammons’ virus, for instance, is not a problem at all. It may make your cactus look a little strange, but it doesn’t affect the health of the plant and may, depending upon who you ask, make it look a little more interesting. That being said, it’s always better not to spread disease if you can help it.
What is Sammons’ Opuntia Virus? So what is Sammons’ virus? Sammons’ Opuntia virus can be spotted in light yellow rings that appear on the pads of the cactus, earning the disease the alternate name of ringspot virus. Often, the rings are concentric. Studies show that the virus has absolutely no negative effects on the plant’s health. This is good, because there is no way to treat Sammons’ virus. Opuntia is the only known carrier of Sammons’ virus.
It doesn’t seem to be spread by insects, but it is borne through the plant’s sap. The most common means of spread is human propagation with infected cuttings. To keep the disease from spreading, make sure to propagate your cactus only with pads that show no signs of the disease.
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Dummer. ゛☀
2017年08月27日
Dummer. ゛☀
Opuntia is the largest genus in the cactus family. You will recognize most by their classic “prickly pear” appearance. There are many types of Opuntia cactus that are common houseplants and are known for their jointed stems and flattened pads. All varieties of Opuntia are easy to grow provided there is ample light, well-drained soil and warm temperatures during the growing season. In warmer climates, growing Opuntia in gardens adds desert appeal and unique flora to the landscape.
Different Varieties of Opuntia Cactus provide numerous textures and forms for the fun dish garden or as standalone specimens. Opuntia, with their many varied species, are readily available and have a classic form that calls to mind open desert and searing sun. The genus can be found wild across North and South Americas, the Caribbean, Argentina and even as far north as Canada. Interestingly, Opuntia freely hybridize, leading to new species and hybrid crosses. In the U.S. there are 40 recognized species. Most Opuntia species do not have classic spines but an arrangement called glochids. These are fine, detachable and fuzzy to woolly. If you touch them, you will immediately wish you hadn’t, as they are extremely irritable and difficult to remove. In spite of this detriment, Opuntia are extremely appealing and easy to grow. Some types of Opuntia cactus do have large spines, however. Flowers are cup shaped and may be yellow, white, or pink. These may develop into fruits of red or green. Some Opuntia cactus varieties have edible fruits called “tunas.” These can be made into delicious jam or even candy. The flat pads of the cactus are called cladodes. These pads are also edible and called “nopales.” Some fun Opuntia to grow might include: Purple prickly pear Barbary fig Tulip prickly pear Bunny ears prickly pear Violet prickly pear Pancake prickly pear Beaver tail pear
Growing Opuntia Cacti The one thing Opuntia cannot stand is soggy soil. Soil needs to drain freely and have a high amount of gritty material mixed in. For outdoor plants, choose a sunny location with protection from winter winds. Fertilize monthly with a 0-10-10 to help produce flowers and fruits. Opuntia, once established, will tolerate as much water as necessary to keep pads from wrinkling. During the winter, diminish watering by half, as the plant will be in dormancy. Established cacti can have pads harvested 6 times per year. Use clean, sharp knives for harvesting. Take pads from mid-morning to midafternoon when the acid content is lowest for best flavor. “Tunas” are ripe at the end of summer. To harvest fruits, wait until the glochids fall off and then gently twist and pull. Ripe fruit should come off easily.
Propagating Opuntia The cactus is easy to grow from seed but its slow progression means fully sized specimens will take years. For faster production, try growing Opuntia cacti from pads. Cut a pad that is at least 6 months old and allow the cut end to dry out a bit or callus. If you wish, dip the end in Bordeaux mix or brush on an anti-fungal dust. Make a mixture of equal parts sand or pumice and soil. Settle the pad an inch or so deep into this mixture with rocks or stakes around to hold it upright. Do not water until the pad has sent out roots, usually in a month. Then water the plant but let it dry out between successive waterings. Your new plant will flower and set fruit during the first year. Limit the number of pads you take from the plant for at least a year.
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Dummer. ゛☀
2017年08月27日
Dummer. ゛☀
Cactus are tough plants with many useful adaptations but even they can be laid low by tiny fungal spores. Phyllosticta pad spot is one of the fungal diseases that affects cactus in the Opuntia family. Phyllosticta symptoms in prickly pears are most prevalent and plants with the disease are at risk of cosmetic and vigor damage. Certain times of the year are the worst, but fortunately, once conditions dry out, the damaged areas abort the fungus and heal to a certain degree.
Phyllosticta Symptoms in Prickly Pears Prickly pear leaf spot is a disease of that plant and others in the Opuntia family. The disease is brought about by tiny spores from the Phyllostica fungus. These colonize on the tissues, primarily the pads, of the cactus and eat into it causing lesions. There is no recommended treatment for Phyllosticta fungus, but it can spread to other ornamental plants and removal of infected pads and plant material is suggested to prevent the disease from reaching other species. In the cactus family, prickly pears are most affected by Phyllosticta concava. The disease is also called dry rot because it leaves lesions on the plant, which eventually callus and do not weep fluid like other fungal diseases. The disease starts out with dark, almost black, irregularly circular lesions which that in size from 1 to 2 inches in diameter. Tiny reproductive structures, called pycnidia, produce the dark color. These produce and release the spores which can infect other plants. As conditions change, the spots will fall out of the cactus and the area will callus over, leaving scars on the pads. No serious damage is done, provided the weather conditions transition to warm and dry.
Phyllostica Control in Cactus For the most part, prickly pear leaf spot does not harm the plants but it is contagious and it does damage young pads the most. Lower pads are the most severely affected, as these are close to the ground. The spores spread through wind or splashing activity. The disease is active during the rainy season and where humidity is high. Once the weather changes to dry conditions, the fungus becomes inactive and falls out of the plant tissue. Severely affected tissue can develop many lesions, making way for the introduction of other pathogens and insects which can cause more damage than prickly pear leaf spot. Experts do not recommend fungicide or any other treatment for Phyllosticta fungus. This is probably due to the fact that the fungus is short acting and weather conditions usually improve, deactivating the disease. Additionally, the fungus doesn’t appear to impair the plant in most cases.
Suggested Phyllosticta control in cactus is removal of infected parts. This is the case where pads have been invaded by numerous lesions and the numerous fruiting bodies pose an infection potential to the rest of the plant and surrounding species. Composting the infected plant material may not kill the spores. Therefore, bagging and discarding the pads is advised.
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Dummer. ゛☀
2017年08月27日
Dummer. ゛☀
Opuntia ficus-indica is more commonly known as a Barbary fig. This desert plant has been used for centuries as food, fending, and even dye. Growing Barbary fig plants, as long as you live in the right climate, is both rewarding and useful.
What is a Barbary Fig? Barbary fig, a variety of prickly pear cactus, is thought to be native to Mexico where it has long been used for a variety of purposes. The fruits and pads can be eaten by humans and livestock, and the size, sprawling growth, and thorns make this cactus a good natural fence and barrier. The insects that are used to make red dye feed on prickly pear, which has made it an economically useful plant. Today, the plant has spread far from Mexico. It is common in the southwest U.S. and is considered invasive in Africa. While Opuntia/Barbary fig info is practical for so many purposes, this plant is also great as simply an attractive addition to the garden. The plant grows green “pads,” which are covered in spines. At the tips of the pads, yellow to orange flowers bloom, followed by red fruits. The fruits are also known as tunas. Both these and the pads can be prepared and eaten.
How to Grow a Barbary Fig As a cactus, this plant requires a desert climate to thrive: dry, hot conditions. It is hardy through zone 8, but is best in hotter regions. For the right location, Barbary fig care is easy. Give it a spot that gets full sun and little water. If you live in the desert, you can essentially put your cactus in a suitable area of the garden and leave it alone. It will grow and thrive. If you want to grow it indoors, it will do well in a container that is big enough. With the right sunny spot and dry soil, your Barbary fig may grow as tall as ten feet (3 meters), so give it plenty of space, or plan spacing accordingly if you want to use it as a fence.
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Dummer. ゛☀
2017年08月27日
Dummer. ゛☀
Elephants eat it, but you need not fear for your Portulacaria unless you have a pet pachyderm. The plant is a succulent with fleshy, glossy leaves that grows as a small bush. They are only hardy in USDA plant hardiness zones 10 and 11. Elephant bush houseplants (Portulacaria afra) thrive in bright light in a warm, draft free room. A few rules on how to care for elephant bush will help you grow a specimen of interest that may be a stand-alone plant or part of an intricate succulent garden.
Elephant Bush Succulents Elephant bush plant may get 6- to 20-feet tall in habitat where it is a favorite food of elephants. In the home interior, it is much more likely to remain just a few feet tall. The bush has thick succulent brown stems with small tender green leaves that resemble a diminutive jade plant. The home interior is an excellent place to grow elephant bush houseplants. Portulacaria care requires warm temperatures and bright light. After a dormant period in winter, the bush produces small pink flowers grouped in clusters at the ends of the branches.
Growing Elephant Bush Houseplants These succulents need well drained soil and an unglazed pot that will help excess moisture evaporate. The best mixture for this type of plant is cactus soil or potting soil cut by half with sand, vermiculite or pumice. Choose a location with indirect sunlight when growing elephant bush indoors. Overly bright sunlight can char the leaves and cause them to drop off. Ensure that the container you choose has wide drainage holes. Elephant bush succulents work well as part of a succulent display with plants that require similar care and situations.
How to Care for Elephant Bush Portulacaria care is similar to other succulent plants. If planted outdoors in warm climates, dig in 3 inches of sand or gritty material to provide well drained soil. Watch for pests like whitefly, spider mites and mealybugs. The most common mistake made in succulent plants is watering. They are drought tolerant but do require watering from April to October. In winter the plants are dormant and you may suspend watering. Elephant bush succulents in the home interior should not have consistently wet feet. Make sure the pot drains well and don’t leave a saucer with water sitting under the container. Fertilize in late winter to early spring with an indoor plant fertilizer diluted by half.
Propagation of Elephant Bush Succulents Like most succulents, elephant bush is easy to reproduce from cuttings. Take cuttings in spring or summer for best results. Let the cutting dry out and callous for a couple of days and then plant the cutting in damp gritty soil in a small pot. Place the cutting in a moderately lit area where temperatures are at least 65 F. (18 C.). Keep the soil lightly moist and in a few weeks the cutting will root and you will have a new elephant bush succulent to share with a friend or add to your collection.
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Dummer. ゛☀
2017年08月27日
Dummer. ゛☀
Growing pincushion cactus is an easy gardening project for the novice gardener. The plants are drought tolerant and native to the arid upper Sonoran desert. They are small cacti that make excellent additions to succulent displays. Pincushion cactus plant is a perennial that is most often found in heavily grazed pastureland and woody scrub.
Pincushion Cactus Plant Varieties Pincushion cactus is a member of a family called Mammillaria, which includes 250 species of cactus. Some of the species of pincushion have colorful names. The Giant Snake or Crawling Log cactus (Mammillaria matudae) produce long stems. Snowball cushion cactus (Mammillaria candida) is a ball-shaped plant with white felt or fuzz on the skin of the plant. Old Lady cactus (Mammillaria hahniana) is a solitary cactus with white fuzzy hair-like spines and purplish red flowers. There are also Powder puff (Mammillaria bocasa-na) and Rose (Mammillaria zeilmanniana) among many others. Cactus and succulent stores can provide you with more pincushion cactus information.
Pincushion Cactus Information Pincushion cacti are small, squat plants that usually don’t grow more than 6 inches in height. They can be ball or barrel shaped, and are native to the warmer regions of the United States. The pincushion cactus plant is most commonly grown indoors but it can tolerate some chilling temperatures if grown outside. Pincushion cactus is so called because it is covered in white spines over the entire surface of the plant. It is a very prickly little specimen that is best handled with thick gloves.
Growing Pincushion Cactus Pincushion cactus care is very simple and suitable for the beginning gardener. Cactus plants are used to dry conditions and limited fertility. The soil for a pincushion needs to be well drained and gritty. The soil needs to dry out between watering, which is best accomplished with a sandy topsoil. The cactus goes dormant in winter and needs no additional irrigation until spring. Potted plants do well in unglazed clay pots, which allow any extra moisture to evaporate. Temperatures should be between 50 and 75 F. (10-24 C.). Small gravel spread around the base of the plant out to the root zone will act as a mulch to deter stem rot. The cactus produces offsets when it is mature. These can be divided from the mother plant and potted in a sandy soil mixture. You can also start the plants from seed in spring. Plant seed in a flat filled with cactus mix. Surface sow and then sprinkle sand lightly over the top and moisten the soil evenly. Place the flat in a warm location of at least 70 F. (21 C.). Keep seeds wet when growing pincushion cactus. Seedlings are transplanted when they can easily be moved.
Flowering Pincushion Cactus If optimum heat and watering conditions are met, the pincushion cactus may reward you with flowers in spring. Enhance the chance of blooming by holding off watering until several weeks into spring. You can also apply a cactus food in early spring to give the plant the nutrients it needs to produce blooms.
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Dummer. ゛☀
2017年08月27日
Dummer. ゛☀
Native to the desert climates of the Arabian Peninsula and South Africa, pig’s ear succulent plant (Cotyledon orbiculata) is a hardy succulent with fleshy, oval, red-rimmed leaves that resemble a pig’s ear. Bell-shaped orange, yellow or red blooms grow atop tall, 24-inch stems in late summer or early autumn. Pig’s ear plant may reach heights of 4 feet at maturity. Keep reading for tips on growing pig’s ear plants and their subsequent care.
Growing Pig’s Ear Plants Often known simply as a cotyledon pig’s ear plant, it is well suited for nearly any dry area of the garden, including rock gardens, succulent beds, hanging baskets or window boxes. Pig’s ear succulent plant is suitable for growing in USDA plant hardiness zones 9b through 12. If you live in a cool climate north of zone 9, cotyledon plant does just fine indoors. Cotyledon pig’s ear prefers a sunny location, but tolerates partial shade. Be sure the soil drains well and allow at least 24 inches around the plant, as succulents require excellent air circulation to prevent rot and other diseases.
Pig’s Ear Plant Care Water pig’s ear succulent plant deeply when the soil is dry, then let the soil dry before watering again. In its natural environment, the plant needs very little water – only enough to survive. Too little water is preferable to too much. Pig’s ear requires very little fertilizer, and a light feeding in late spring is sufficient. Use a highly diluted, general-purpose fertilizer. Water well after feeding, as fertilizing dry soil can scorch the roots. To keep the plant healthy and support continued growth, remove blooms, along with the stalk, as soon as the flowers wilt. Pig’s ear plant care isn’t complicated, as the plant isn’t fussy. However, keep watch for snails and slugs, which are easy to spot by the chewed holes in the leaves and by the silvery, slimy trail they leave behind. Keep the area clean and free of debris. Apply slug bait or use snail traps, if necessary.
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Dummer. ゛☀
2017年08月27日
Dummer. ゛☀
Peyote (Lophophora williamsii) is a spineless cactus with a rich history of ritual use in the First Nation culture. In the United States the plant is illegal to cultivate or eat unless you are a member of the Native American Church. The plant is considered poisonous by U.S. officials but First Nations people use it as a sacrament and pathway to religious and personal enlightenment. While growing peyote is not allowed unless you are a member of the NAC, it is a fascinating plant with attributes worth learning about. There are, however, peyote plant look-a-likes you can grow at home that will satisfy your urge to cultivate this cute little cactus without breaking the law.
What is the Peyote Cactus? Peyote cactus is a small plant native to the Rio Grande Valley of Texas and northeastern Mexico. It has numerous psychoactive chemicals, chiefly mescaline, which is used in religious ceremonies to elevate awareness and cause a mental and physical high. Peyote cultivation is a time-consuming process, as the plant can take up to 13 years to mature. In any event, growing peyote is illegal unless you are a member of the church and have filed the proper paperwork. The bulk of the plant is underground where thick, wide roots form, looking much like parsnips or carrots. The upper part of the cactus grows about an inch out of the ground in a rounded habit with a diameter of less than 2 inches. It is greenish blue with 5 to 13 ribs and fuzzy hairs. Peyote plants often have tubercles, which give the ribs a spiral appearance. Occasionally, the plant will produce pink flowers which become club-shaped, edible pink berries. The plant is considered endangered due to over harvesting and land development. A similar looking cactus, Astrophytum asterias, or star cactus, is legal to grow, but it is also endangered. Star cactus has only 8 ribs and a fibrous root system. It is also called the sand dollar or sea urchin cactus. Star cactus requires similar care to that of peyote and other cacti.
Additional Peyote Plant Info The part of peyote that is used for ritual is the small cushion-like upper part. The larger root is left in the ground to regenerate a new crown. The upper part is dried or used fresh and is called a peyote button. These are generally no larger than a quarter once dried and the dosage is 6 to 15 buttons. Older peyote plants produce offsets and develop into larger clumps of many plants. The cactus has 9 narcotic alkaloids of the isoquinoline series. The bulk of the effect is visual hallucinations, but auditory and olfactory alterations are also present. Church members use the buttons as a sacrament and in religious teaching sessions. Care of peyote cacti is similar to most cacti. Grow them in a half and half mix of coconut husk and pumice. Restrict water after seedlings establish and keep the plants in indirect sun where temperatures are between 70 and 90 degrees Fahrenheit (21 to 32 C.).
A few words on peyote cultivation An interesting bit of peyote plant info is the form of documentation necessary to grow it. You must be in Arizona, New Mexico, Nevada, Oregon or Colorado. You must be a member of the NAC and at least 25% First Nations. You are required to write a Declaration of Religious Belief, get it notarized and file it with the county Recorder’s Office. You must post a copy of this document above the location where plants will be grown. Only the 5 states listed allow church members to grow the plant. It is illegal in all other states and is federally unlawful. In other words, it is not a good idea to try to grow it unless you are a documented member of the Native American Church. For the rest of us, the star cactus will provide similar visual appeal and growth habit, without the danger of jail time.
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