动态第700页 - 绿手指 - 养花技巧、花生病了怎么办、花园打理和设计

2017年09月19日

The genus Anacampseros was recently (1994) split into Anacampseros and Avonia from South Africa, and Grahamia from the Americas and Australia. Many plant labels and plant nurseries have not yet caught up with this change, so all these plants may still be seen labelled as Anacampseros.[图片]Avonia is reserved for the species with tiny leaves hidden by papery stipules which form a protective layer along the stems. These bright white scales reflect a proportion of the solar radiation and protect the leaves from the noon-day sun. The small, solitary, greenish-white flowers are produced on the tips of the stems. The roots form a small caudex.[图片]Growing Conditions Light: Avonia do well in light shade to full sun. High levels of light are needed to flower and for good plant development. Water: Water normally in the growing season from March to October, keep dry in winter. Temperature: It is quite frost resistant if kept dry, hardy as low as 23°F (-5°C). Soil: Since roots are quite shallow, use a cactus mix or add extra perlite or pumice to regular soil potting soil. A gritty, very free-draining compost is suitable, and clay pots help the plants to dry out between watering. For best results, use a shallow pot, and only use the smallest diameter pot that will accommodate the plant.[图片]Fertilizer: Feed with a high potassium liquid fertilizer in summer. Propagation Seed that germinate at 59°F to 70°F (15°C to 21°C). The seeds germinate very quickly. In cultivation the young Avonia plants develop much quicker than in their natural surroundings, where they don’t get ample water supply. Generally they are not easy to raise from seed as too much water kills them immediately, which also happens when they are not watered at all.[图片]Grower’s Tips Although regarded as a choice and difficult plant, in cultivation it is relatively easy. Avonia grow very slowly and requires careful cultivation. Clustering in cultivation, if grown correctly, it will reward the grower with generous displays of tiny flowers. Avonia grow well at moderate to cooler temperatures in partial sun. Bright light enhances leaf colors and makes for a compact plant. They enjoy a gritty free-draining soil with added organic material and low to moderate watering depending on the species. A collection of these plants can be housed in quite a small space.

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2017年09月19日

It’s been said that succulents are the perfect plant for forgetful gardeners. They’re great for indoor gardening and require very little maintenance. As nearly indestructible as they can be, however, I’ve still managed to kill every succulent I’ve had. Perhaps it’s the busy lifestyle that causes my negligent gardening care, or the fact that I’ve come to the realization that I actually don’t know the proper way to care for my ounce of greenery. If you’re like me, don’t wallow in distress! Here we’ve compiled some tips for keeping your succulent happy and alive![图片]First, let’s learn a bit about succulents. Succulents are plants that thrive in hot, dry places. This doesn’t mean, however, that these desert plants don’t love their sunshine. With thick and fleshy organs, they’re able to store water in their leaves, stems or roots – taking advantage of what ever water is available and holding onto it for later use. This makes succulents highly adaptable to arid conditions or any environment too dry for most other plants.[图片]Now that we’ve covered the basics, let’s talk about light. As mentioned before, desert plants need sunshine too! As much as you’d like your succulent to thrive in the dim corner of your room, they can’t. Giving your indoor succulent as much natural light as possible is imperative. While succulents might prefer the direct sunshine, they can easily adapt to lower light. As long as there’s at least some exposure to light, your succulent should be happy. In addition to lighting, water is an important element. As a general rule of thumb, succulents don’t like to be watered that often. Typically in the summer, you might water your succulent once a week. In the winter, that might change to once a month. Be weary about overwatering your plant. Succulents don’t like to sit in water. Instead, water sparingly. Allow the soil to dry out completely between watering.[图片]Lastly, think about the environment. Typically, the greener the succulent, the greater the chances they’ll survive indoors. Indoor succulents increase their life expectancy when they’re spaced apart. This allows for maximum sunlight. Succulents that are outdoors, however, can thrive in crowded compositions. So what are you waiting for? Stop yearning for that greenery, and start planting! You’re already one step closer to mastering the art of urban, indoor gardening.

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2017年09月19日

People have been growing Aloe vera for literally thousands of years. It is one of the most widely used medicinal plants on the planet. If you are wondering, “How can I grow an aloe plant?” We are here to tell you that taking care of an Aloe Vera plant in your home is easy.[图片]Keep reading to learn more about how to grow and care for an Aloe Vera plant. Growing Conditions The first step in Aloe Vera care is to realize that this plant is a succulent. Like cacti, succulents do best in dry conditions. When growing Aloe Vera plants, plant them in a cactus potting soil mix or a regular potting soil that has been amended with additional perlite or building sand. Also, make sure that the pot has plenty of drainage holes. It cannot tolerate standing water.[图片]One important thing in the care of Aloe Vera houseplants is that they have proper light. They need bright light, so they do best in south- or west-facing windows. General Care Another important part of how to grow an Aloe Vera is to water the plant properly. The soil should be allowed to go completely dry before being watered. When the plant is watered, the soil should be thoroughly drenched, but the water should be allowed to drain freely from the soil. The most common reason an Aloe Vera dies is that the owners water too often or do not allow the water to drain. Do not make this mistake when taking care of Aloe houseplants.[图片]You can fertilize your Aloe Vera, but Aloes do not need to be fertilized. If you decide to add fertilizing to part of your Aloe Vera plant care routine, plants should be fertilized once a year in the spring. You can use a phosphorus-heavy water-based fertilizer at half strength.[图片]Growing Aloe Vera houseplants is not only easy but can also provide your family with a plant that can help treat minor burns and rashes. Now that you know a little more about how to care for an Aloe Vera plant, you need never be without this lovely and helpful plant.

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2017年09月19日

Butterwort plants (Pinguicula) are tiny plants that can go unrecognized until they bloom. The leaves are a soft greenish-yellow color, which probably led to the name. It could also be from the slightly greasy or “buttery” feel of the leaves. The plant forms low rosettes and blooms in spring with yellow, pink, purple or white flowers.[图片]Site conditions must be considered when learning how to grow Butterworts. They like alkaline soil where nutrients are poor and the site is warm and moist to boggy. The plant’s leaves have a coating of an insect-trapping resin. The prey of choice for these tiny plants is gnats, which give up valuable nitrogen for the plant to use.[图片]Growing Conditions You can grow Butterwort plants outside in temperate to warm zones or in a pot as annuals. In USDA zones 10 and 11, the plants will persist as perennials and grow new rosettes, multiplying the plant’s diminutive size. The best soil for container plants is a mix of sphagnum moss with equal parts vermiculite or sand. Plants situated outdoors will do best in moist soil or even near water. Butterworts thrive in sun to partial shade. The plants must never dry out, though potted plants should also have good drainage. They must experience a dormancy period to regrow and bloom each spring. Cut back the dead leaves in late winter or early spring to encourage the new growth.[图片]General Care The Butterwort plant is fairly self sufficient. It should not be grown indoors unless you have a gnat problem, but outside it can gather its own food. The plant attracts tiny insects, which get stuck in the slimy, slick coating on the leaves. Their struggle encourages the release of a digestive enzyme. Provided the plant is in correct light, temperature and moist conditions, the little Butterwort will thrive. It is not bothered by many diseases or pests. The most important consideration for Butterwort care is the quality and frequency of water. The plant cannot dry out or it may die. The type of water is crucial, however, as the plant is sensitive to certain minerals and concentrations of salt. Use rainwater if possible, otherwise purchase distilled water.

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2017年09月19日

Succulents originally came from dry, arid areas such as deserts. There are also some succulents, such as Orchids, that do get rainfall, but they grow in branches or areas where the rain might not reach them so easily. Many succulents come from Africa and other areas that have long dry seasons and where plants have evolved ways of more effectively and efficiently storing and using water.[图片]Succulents have been around for a long time, of course, and have been used as office plants and in indoor gardens for a long time. However, in recent years their popularity seems to have grown. The reasons for this are many: They’re low maintenance. They require less watering and little to no pruning.[图片]They come in a variety of sizes, shapes and colors. This includes very tiny plants in small pots which can easily find a home on a desk. They attract fewer pests. Many times plants bring about pests because of the constant need for watering. When you don’t have to water the plants as much, such as with succulents, the risk of pests reduces dramatically. The thick, waxy leaves of succulents are also more difficult for pests to penetrate and feed through. They are easier for greenhouses and stores to sell. Since they can last a very long time without water they can sit on a truck for days, making transportation easier. Many succulents are very small, which allows growers to ship large numbers with lower freight costs. Some can even be packed in plastic bags and shipped across country. They can also be stored at the garden center much longer and last longer.[图片]It’s very difficult for most to overgrow. One of the problems with some common indoor plants, like Pothos, is that they grow and eventually start to vine. This requires lots of maintenance and can be an inconvenience.

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2017年09月19日

Many people prefer succulent plants for outdoor garden and indoor decoration. For those places which experiences dry and hot weather, these plants can be excellent for growing in those areas. Many people have started growing succulents indoors because they don’t require much sunlight and can grow well indoors.[图片]Maintenance of these plants are very easy, especially when grown indoors, the succulents in pots won’t be a lot of trouble unlike other indoor plants. The ones that grown in pots will remain in a perfect size because of the smaller place they will be getting from the container, however if grown in flower beds outside, their size will be much more, however they may require more water since they will be under direct sunlight. If you are a person who enjoy care-free living or are busy most of the time and at the same time love having plants indoors then growing succulents in containers is the best option for you. These plants may even produce flowers, which could be your indoor fresh flower bouquet in your house.[图片]Some of the most common succulent houseplants are Burro’s Tail, Christmas Cactus, Crown of Thorns, Jade Plant, Panda Plant, Snake Plant, and many more. What many people don’t know is that how to plant succulents indoors? Planting these amazing plants indoors is very easy. With proper guidance and research you can grow some healthy and beautiful succulents indoors in different containers and pots. You can line them by your stairs indoors, in your kitchen, living room and other places you like. Unlike cacti, other succulents may have a variety of colors and when it is the blooming season; your interior will look pretty with all the flowers around. Here are 10 tips for growing indoor succulents: 1. The best place for keeping your succulent plants indoors is somewhere near the window, especially on the eastern side. The sun rises from the east, in this period the intensity of the rays are less and so will be excellent for the plants. Keep in mind that excessive sunlight can cause yellow spots on your plant which is also known as the sunburns.[图片]2. Many people would think that they have to provide a lot of water to the succulents. Just like any plant, watering succulents should be kept to normal range. Between the watering periods the soil should be dry so that they can grow well, moreover, during the winter season they shouldn’t be watered much (only once a week). 3. Without any doubt, the glass containers or pots look very pretty, however they are not recommended for planting the succulents. This is because the glass container won’t be able to drain water or let it evaporate, however the clay pots or containers can help the moisture to evaporate or excessive water to drain. Succulents don’t like sitting in soggy or damp soil, they just require normal moisture content or water.[图片]4. There is hardly a chance you may get bugs in your small indoor plants, but if by chance you do, avoid using the chemical because they are kept indoors can be hazardous to your health. Make a solution of diluted alcohol, water and dish soap liquid to kill the bugs. Bugs are usually attracted to those succulents whose soil is moist and soggy. 5. Add fertilizer to the indoor succulent plants only once in a year. 6. Many people don’t know how to grow succulents indoors and what type of soil to use. Unlike other plants they don’t use the same soil. The soil needed for the succulents should be well draining and porous, 70% of sand and 30% of soil is the best combination for them.[图片]7. If you have kept the succulent plant in a place which doesn’t receive any sun light, then you might have to move your plants on at least weekly basis outside so that they can get some sunlight to grow better. 8. Avoid using chemical based liquid fertilizers and sprays on the succulent plants kept indoors. Not only it will ruin the plant but also be hazardous for you.[图片]9. You can trim succulent plants only once in a year, if kept in small pot or containers, they might not even need any trimming. 10. Succulent are dessert plants and so can withstand both the hot and cold temperature, you don’t have to worry about the season change.

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2017年09月19日

There’s a lot to love about gardening with succulents. These attractive plants are drought-tolerant and low-maintenance, making succulents ideal for busy gardeners of all ages. Under the right growing conditions, these carefree plants rarely suffer from diseases or pests. To get you started, here are several helpful tips for growing succulents.[图片]What is a Succulent? Succulents are basically plants that store water in their thick, fleshy stems and leaves. Included in this group of plants are cacti, Aloe and many other genera. Succulents come in a wide array of colors, shapes and textures. Many succulents flower in different colors, but the plants are often valued most for their foliage. The leaves can be variegated and come in colors ranging from blue-gray and green to yellow, red and pink.[图片]Raised Beds or Gardens Succulents require excellent drainage. If you have a heavy clay soil, consider gardening with succulents in raised beds, which have plenty of coarse sand or pea gravel mixed with organic matter. Don’t mulch heavily with wood chips, as this could retain too much moisture in rainy areas. Gardening with Succulents in Containers Succulents grow well in containers, which makes it convenient for bringing the plants indoors during colder weather. Terracotta containers are excellent for gardening with succulents, because they provide good drainage.[图片]When growing succulents in containers, use a fast-draining planting mix designed for cacti and succulents. Or, consider adding perlite to increase drainage in your potting soil. Many succulents tend to be shallow rooted, so they grow well in shallow containers with drainage. Cover drain holes with fine screens so the soil doesn’t wash out. Experiment with mixing succulents, with Agaves, Echeverias, Sedums and other drought-tolerant plants for a dramatic effect. Or, plant a single species in a pot to showcase its beauty.

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2017年09月19日

Eulychnia is a genus of candelabriform or arborescent cacti, comprising between 6 and 9 species depending on the authority. These relatively large plants which reach up to 23 feet (7 m) high can survive under very hot conditions—temperatures can reach up to 122 °F (50 °C). Furthermore, this breed of cacti can also survive in some of the driest places in the world such as the Atacama Desert, the driest desert in the world.[图片]The stems are covered with many long spines arranged on tuberculate ribs. The floral tubes are covered in spines, wool, scales, or all three and are round in shape and when the flower opens, resemble a ball that popped open on one side. Eulychnia is not common in cultivation and only collectors with a specific interest in the genus seem to grow them.[图片]Growing Conditions Light: Eulychnia requires full sun or light shade to keep plant compact with strong colored spines. Tends to bronze in strong light, which encourages flowering and heavy spine production. Light shadow my be useful in the hottest summer days. Water: It requires light but regular waterings in summer, but let the soil dry between waterings. Keep the soil dry in winter. Temperature: Eulychnia need to be kept in a cool place during winter rest and are resistant to light frost if kept on the dry side prior to, and during, cold weather. They are hardy to 28 °F (-2 °C) in short periods.[图片]Soil: Eulychnia likes very coarse mineral cactus mix soil, but can become too elongated if compost is too rich. Fertilizer: Feed with a high potassium fertilizer in summer. Propagation Propagation is from seed or cuttings. Pests and Diseases Eulychnia may be attractive to a variety of insects, but plants in good condition should be nearly pest-free, particularly if they are grown in a mineral potting-mix, with good exposure and ventilation.

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2017年09月19日

It’s possible to grow succulents in pots without drainage holes because they require less water than other plants and you only need to water them occasionally. Their specialized stems and leaves store water for long periods. Classic Hens and Chicks (Sempervivum tectorum) make a suitable succulent plant for beginners and grows in U.S. Department of Agriculture plant hardiness zones 3 through 8. Mix forms and colors of various succulent types to make a pleasing display.[图片]The Root of the Problem Few plants, including succulents, can survive their roots drowning in water. For plants to stay healthy, their roots need air. Overwatering causes a number of diseases and without taking steps to prevent wet roots, your succulents may succumb. Scab is a disease caused by excess water. Symptoms include corky brown scabs appearing on the stems of the succulent. Some species of cactus are especially susceptible to scab. Decrease watering and increase light to fight scab.[图片]Stem and root rot can kill overwatered succulents. Various soil fungi multiply in the presence of excess water. The plants wilt and a brown or black ring appears at the base of the stem, above the soil. If only the roots show disease, cut away rotted roots with a sharp knife and repot the plant in sterile soil. Wipe the blade between cuts with a cloth soaked in rubbing alcohol to help prevent spreading the fungi. Working With Containers That Don’t Drain A few tricks help minimize the risk of diseases from wet soil. The main trick is to water the plant normally but after a few minutes, tip the planter sideways and drain out excess water.[图片]Double potting helps overcome the problem of no drainage holes in a planter. Grow the succulent in a pot liner or smaller container that can sit inside the larger, nondraining container. Make at least four holes in the liner or small container if it doesn’t have them. Layer the bottom of the larger, outer planter with gravel. After watering the plant, wait a few minutes for excess water to drip out of the smaller container. Lift the plant in the liner from the larger container and dump the excess water. After draining, place the liner or small planter back inside the larger one.[图片]If the container doesn’t have drain holes, you’ll need to be more careful with watering. Water the container only enough to wet the top 0.5 inch (1.2 cm) of soil. Allow the soil to dry completely before watering again. It should only need watering once every two weeks. Potting Soil Choices Succulents require soil that is loose and drains well. A cactus or succulent soil from the garden center works, or you can mix your own. When preparing the soil for a container, use a mixture that contains equal portions of sand and garden soil. If your budget allows, a better soil mixture is equal parts loam, sand, peat-moss and perlite. Aged compost can be substituted for loam.[图片]Test the soil’s quality by moistening a handful of the mixture and trying to squeeze it into a ball. If it is the proper consistency for succulents, the soil will not become compacted but will fall apart. Fertilize Lightly Cacti only require fertilizer once or twice each year, during spring and summer, while other succulents should be fertilized three to four times during the summer. Choose a houseplant fertilizer such as 3-7-7 that has more phosphorus than nitrogen. Dilute the mixture to one-half the standard concentration recommended on the product label, so mix 5 to 10 drops in 1 quart of water instead of 10 to 20 drops. Check the instructions as rates vary by brand. Soak the top 0.5 inch (1.2 cm) of soil around the plants completely. Use the fertilizer solution in place of a regular watering.[图片]The Right Light Succulents need the right amount of light to keep them healthy. Outdoors, place them in full sun or part shade. Indoors, placing the planter near a sunny window should provide enough light, but a cool white fluorescent tube is a good substitute if direct sunlight is lacking. Place the tube 6 to 12 inches (15 to 30 cm) above the plant for 14 to16 hours each day. Use a timer to help automate the process.

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2017年09月19日

Sedum morganianum also known as Donkey’s Tailis, is a popular and easy-to-grow trailing succulent with rows of fleshy, tear-dropped shaped leaves. It may also be called Burro’s Tail, Lamb’s Tail, or Horse’s Tail. These plants make excellent hanging subjects, or they can be used as trailers in small pots. A mature specimen might have branches up to 2 feet (60 cm) long, with dozens of grey-green, plump leaves lined up like droplets. Flowers readily emerge in late summer in hanging clusters of small blossoms in red, yellow or white.[图片]Growing Conditions Light: Full sun. Donkey’s Tail is perfect for a sunny window. Water: Water during the summer and spring, making sure drainage is immaculate. Reduce water in the winter to monthly. Temperature: Donkey’s Tail prefers average summer temps (65ºF to 70ºF/18ºC to 21ºC). In winter, can survive at 40ºF (5ºC), but prefers it slightly warmer. Soil: A well-drained succulent potting soil, with an ideal pH around 6.0 (slightly acidic). Fertilizer: Feed Donkey’s Tail with a controlled-release fertilizer in the beginning of the season or weekly with a weak liquid solution. Use a balanced 20-20-20 fertilizer at 1/4 strength on mature plants, and a fertilizer with less nitrogen on young plants.[图片]Repotting Repot as needed, preferably during the warm season. To repot a Donkey’s Tail, make sure the soil is dry before repotting, then gently remove the pot. Knock away the old soil from the roots, making sure to remove any rotted or dead roots in the process. Treat any cuts with a fungicide. Place the plant in its new pot and backfill with potting soil, spreading the roots out as you repot. Leave the plant dry for a week or so, then begin to water lightly to reduce the risk of root rot.[图片]Propagation By seed or by cuttings. Individual leaves can be sprouted by placing them into a succulent or cactus potting soil, then covering the dish until they sprout. Large Donkey’s Tail plants can also be divided during repotting.[图片]Grower’s Tips Donkey’s Tails are pretty forgiving plants—if you forget to water them once or twice, they’ll probably be just fine. If you want your plant to really thrive, make sure to provide strong light, fertilizer during the growing season, and adequate moisture during the growing season. Too often, these are left to fend for themselves, simply because they can. But with a little effort, the plant can be a remarkable specimen.

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