动态第864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29日

Gardeners delight in easy to care for and beautiful ground covers that they can just plug in and let go. Creeping zinnia (Sanvitalia procumbens) is one of these garden favorites that, once planted, provides a feast of color all season long. This low-growing beauty has a dainty trailing habit, which makes it perfect for hanging baskets and container arrangements as well. Keep reading to learn more about creeping zinnia ground cover plants.[图片]Growing Creeping Zinnia Plants Use creeping zinnia in the garden if you have a sunny spot with well-drained soil that needs some color. Where summers are mild, this Mexican native will spread up to 18 inches and bear beautiful little orange or yellow sunflower-like flowers from summer through fall. Creeping zinnia ground cover does best when sown in a sunny garden spot in early spring. Use light, loamy potting soil with plenty of drainage if using the plant in a container garden. Many people start creeping zinnia ground cover seeds in hanging baskets or containers indoors, about four to six weeks before spring, to get a jump-start on the season. Sow seeds on top of a prepared planting surface and cover lightly with peat moss for best results. Keep seeds evenly moist until you see sprouts emerge, which should be sometime within a couple weeks.[图片]Creeping Zinnia Care Once creeping zinnia in the garden is well established, their care is minimal. Fertilize growing creeping zinnia plants monthly during the growing season with a water-soluble fertilizer. Creeping zinnias are drought, humidity and heat tolerant and should not be overwatered. If you are using creeping zinnias in a container or hanging basket, be sure to provide a little extra water, as needed since pots tend to dry out quickly. There are no major pests associated with growing creeping zinnia plants.[图片]

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2017年08月29日

Creeping jenny plant, also known as moneywort or Lysimachia, is an evergreen perennial plant belonging to the Primulaceae family. For those looking for information on how to grow creeping jenny, this low-growing plant thrives in USDA zones 2 to 10. Creeping jenny is a ground cover that works well in rock gardens, between stepping stones, around ponds, in container plantings or for covering hard to grow areas in the landscape.[图片]How to Grow Creeping Jenny Growing creeping jenny is relatively easy. Before planting creeping jenny, check with your local extension office to be sure that it is not restricted in your area due to its invasive nature. Creeping jenny is a hardy plant that will thrive in full sun or shade. Purchase plants from nurseries in the spring and choose a site, in the shade or sun that drains well. Space these plants 2 feet apart, as they grow rapidly to fill in empty areas. Do not plant creeping jenny unless you are prepared to deal with its rapidly spreading habit.[图片]Care of Creeping Jenny Ground Cover Once established, creeping jenny plant requires very little up keep. Most gardeners prune this fast-growing plant to keep its horizontal growth under control. You can also divide the plant for better air circulation or to control spreading in early spring. Creeping jenny requires regular water and does well with a little organic fertilizer when first planted. Apply mulch or organic compost around plants to help with moisture retention.[图片]What Is the Difference Between Creeping Charlie and Creeping Jenny? Sometimes when people are growing creeping jenny plant, they mistakenly think it’s the same thing as creeping charlie. Although they are similar in many ways, creeping charlie is a low-growing weed that often invades lawns and gardens, while creeping jenny is a ground cover plant that is, more often than not, a welcome addition to the garden or landscape.[图片]Creeping charlie has four-sided stems that grow up to 30 inches. The roots of this invasive weed form nodes where the leaves join the stem. Creeping charlie also produces lavender flowers on 2-inch spikes. Most varieties of creeping jenny, on the other hand, reach a mature height of 15 inches with yellow-green, coin-like foliage that turns bronze in the winter and has inconspicuous flowers that bloom in early summer.

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2017年08月29日

Creeping jenny, also called moneywort, is a long, crawling plant that can spread very tenaciously. It is often mistaken for creeping charlie. Only reaching about 2 inches in height, this plant can grow to 2 feet long and has an unusually extensive root system. Once it’s established, it can be hard to get rid of and will crowd out or strangle plants that get in its path. Because of this, unless you specifically want it as groundcover in a spot where nothing else grows, you should work on controlling creeping jenny as soon as you spot it. Keep reading to learn more about how to get rid of creeping jenny in the garden.[图片]Best Way to Manage Creeping Jenny Creeping jenny control is not always easy, and it’s not always quick. If the plant is established in your yard, it may take two growing seasons to eradicate it. The best method of creeping jenny control is a combination of physically removing the plant and applying herbicides. Dig up every new plant you find and spray an herbicide, such as Roundup or Rodeo. New plants will emerge every few weeks – so keep pulling them up and spraying. Creeping jenny’s roots are very extensive and deep, so it will keep sprouting for quite some time. If you can, dig up plants before they flower, as failing to do so will result in lots of seeds and even more vigorous spread.[图片]Another method of controlling creeping jenny is starving it of light. After digging up all visible plants, lay down a thick layer of mulch or black plastic. With any luck, this will keep the roots from putting up new shoots and eventually kill them. You might be able to achieve the same effect by filling the area with hardy plants well suited to the climate, like native grasses. These should put up more of a fight against the creeping jenny and help to block it from receiving light.

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2017年08月29日

Potentilla (Potentilla spp.), also called cinquefoil, is an ideal ground cover for partly shady areas. This attractive little plant spreads by means of underground runners. Its lemony-colored flowers that last all spring and strawberry-scented foliage make it irresistible.[图片]Spring Cinquefoil Plants in Gardens These plants are evergreen in mild climates. They grow 3 to 6 inches tall, with each leaf made up of five leaflets. Potentilla gets the name “cinquefoil” from the French word “cinq” which means five. In spring, cinquefoil plants are covered with flowers that are one-quarter inch in diameter. The buttery-yellow to bright yellow flowers bloom over a long season if temperatures don’t climb too high. Propagate potentilla plants from seeds or by dividing the plants in spring.[图片]You won’t want to grow creeping potentilla in gardens, where it quickly takes over an area. Instead, use it as a lawn replacement in areas with light foot traffic, in rock gardens, or in rock walls. Some gardeners use it as a ground cover in bulb beds. There are some lovely types of creeping potentilla that bloom in white and shades of orange and pink; however, the seeds to these varieties don’t always breed true. Since the plants produce seeds that fall to the ground and germinate, you may find these types reverting to yellow.[图片]Growing Creeping Cinquefoil Plant potentilla ground cover in full sun or partial shade. Some shade is best in areas with very warm summers. The plants thrive in average, moist but well-drained soil. Potentilla grows well in U.S. Department of Agriculture plant hardiness zones 4 through 8 as long as summers aren’t too hot. Water the plants well until they are established. Afterward, water often enough to keep the soil lightly moist. Water slowly and deeply each time, waiting until the surface is dry before watering again. The plants don’t need annual fertilization.[图片]Potentilla has fine-textured foliage that looks good throughout spring and summer, and into the fall. If the plants begin to look ragged, set the mower blade as high as it will go and mow it down. It’s best to refresh the plants this way a couple of times each year. The foliage quickly regrows.

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2017年08月29日

Bunchberry (Cornus canadensis) ground cover is a petite ground-hugging perennial plant that reaches only 8 inches at maturity and spreads by underground rhizomes. It has a woody stem and four to seven leaves that are set up in a whorled pattern at the tip of the stem. Also known as creeping dogwood vine, pretty yellow flowers appear first followed by clusters of red berries that ripen midsummer. The foliage turns a beautiful burgundy red in the fall, making it a great addition to the garden for year round interest.[图片]This showy evergreen ground cover is native to the Pacific Northwest and is particularly at home in moist soil and in shaded locations. If you live in USDA plant hardiness zones 2 through 7, you can enjoy the attractive bunchberry ground cover as it draws birds, deer and other wildlife to the area. Some people even eat the berries, which are said to taste a bit like apples.[图片]How to Grow Bunchberry Although bunchberry prefers shade, it will tolerate some light morning sun. If you have acidic soil, this plant will also be right at home. Be sure to add plenty of compost or peat moss to the planting area. Bunchberry dogwood plants can be propagated by seed or cuttings. Take cuttings below the ground level in mid July through August. If you choose to use seeds, they must be sown fresh in the fall or after they have had three months of cold treatment. Plant seeds 3/4 of an inch deep into the soil. Be sure the growing area is moist but also well-draining.[图片]Caring for Bunchberry It is important that creeping dogwood be kept moist and the soil temperature cool. This is one of the reasons why they do so well in the shade. If the soil temperature is above 65 degrees F., they can wither and die. Cover with a thick layer of pine needles or mulch for added protection and moisture retention. Caring for bunchberry is easy once they get started as long as you keep the soil moist and the plants receive plenty of shade. This ground cover has no known disease or pest problems, making it a truly easy keeper.

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2017年08月29日

Perennials are the gift that keeps on giving year after year and native varieties have the added bonus of blending into the natural landscape. Bishop’s cap plants (Mitella diphylla) are native perennials and can be found wild around North America, primarily distributed in temperate regions. What is bishop’s cap? Read on to learn more.[图片]What is Bishop’s Cap? This delicately lobed woodland plant pops up in spring and blooms soon after with little white cup-like flowers. The species is an easy-to-grow addition to a native landscape and bishop’s cap ground cover will produce an eruption of dainty leaves and charming scented bells. Not only do native species like bishop’s cap fit into the landscape more easily than exotics, but they are easier to maintain. This is because the conditions they are used to thriving in are already provided.[图片]The perennial has 6- to 18-inch stalks with alternate and infrequent heart-shaped, slightly serrated leaves. The stalk rises from a base rosette and produces late spring blooms. The foliage is slightly hairy and the little flowers have a fringed appearance. The origin of the name is the most interesting bishop’s cap information. Fruits emerge in summer and resemble a miter headdress, or bishop’s hat.[图片]Bishop’s Cap Plants Use in the Landscape These wonderful little native plants produce a mass of tender foliage and snowflake-like blooms. They produce best in dappled light with protection from full midday sun but can tolerate shade conditions. When allowed to fill in an area, they make an interesting spring ground cover. Bishop’s cap ground cover should be cut back in fall for the best display in spring. This allows fresh new stems to grow and forces more compact growth. Tuck some of the elegant stalks in among other semi-shade perennials, such as astilbe or even hosta. They are ideal on hillsides protected by trees or in rocky areas where sunlight is strongest in the morning.[图片]How to Plant Bishop’s Cap Chose a location with partial sun where the soil is rich in organic matter. Leaf litter provides rich mulch for the plants. If you can get starts, set them into the ground in early spring and keep them moderately moist until the plants establish. Bishop’s cap plants also produce abundant seeds, which if collected, should be started indoors. An interesting bit of bishop’s cap information is its ability to self start from rhizomes. However, these starts are generally just vegetative and form only stalks and leaves, producing no blooms.[图片]Care of Bishop’s Cap Plants These plants will do the majority of their growth in early spring, when rains are at their peak. As a native plant, they require very little care once established and will bloom year after year with no extra effort on the gardener’s part. The usual garden pests and diseases may affect the plant, but the established patch of bishop’s cap is normally able to withstand minor problems with no ill effect on the overall vigor of the perennial.

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2017年08月29日

If you have a chunk of garden that you would like a ground cover for, barren strawberry plants might just be the answer. What are these plants? Read on for tips on growing and caring for barren strawberries.[图片]Barren Strawberry Facts Barren strawberry plants (Waldsteinia ternata) are thus named due to their imitable resemblance to edible strawberry plants. An evergreen, barren strawberry is a ground cover with a spread of 48 inches or more but a low height of 6 inches. The foliage of barren strawberry plants is akin to that of edible strawberries with a wedge shape that turns to bronze in autumn. The plants have small yellow flowers, which again resemble those of edible strawberries, and appear in the spring. Native to Europe and northern Asia, barren strawberry is sometimes referred to as “dry strawberry” or “yellow strawberry.”[图片]Growing Barren Strawberry Ground Cover Barren strawberry is an herbaceous perennial that dies down over the winter and greens back up in the spring. It is suitable for USDA zones 4-9. In the mildest zones, the plants will remain as evergreen ground cover year round. This easy-to-grow perennial is suited to a wide range of soils and will thrive in full sun or part shade. The plant may be considered to be invasive by some, as it will rapidly spread via runners, much like edible strawberries. While barren strawberry is drought tolerant, it does not thrive in the hot temps of the South, better bets would be W. parviflora and W. lobata, which are native to that region. Use barren strawberry amongst stepping stones or along wooded paths in light shade to sun.[图片]Caring for Barren Strawberry As mentioned, barren strawberry is tolerant of minimal irrigation, but to avoid stressing the plant, a consistent amount is recommended. Otherwise, caring for barren strawberry is fairly maintenance and pest free. Propagation of barren strawberry is achieved through seeding; however, once the plant has established, it rapidly sends out runners, quickly filling any available space. Allow the seed heads to dry on the plant and then remove and collect the seeds.[图片]Dry and store them. Sow barren strawberry directly outdoors in the fall or spring, or sow indoors before the last frost for spring transplants. After barren strawberry blooms in the spring, the plant, again like edible strawberry, bears fruit. The question is, is fruit of barren strawberry edible? Herein lies the greatest noticeable difference: barren strawberries are inedible.

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2017年08月29日

Listed amongst the 50 fundamental herbs in Chinese medicine, Japanese ardisia (Ardisia japonica) is now grown in many countries besides its native homelands of China and Japan. Hardy in zones 7-10, this ancient herb is now more commonly grown as an evergreen ground cover for shady locations. For Japanese ardisia plant info and care tips, continue reading.[图片]What is Japanese Ardisia? Japanese ardisia is a creeping, woody shrub that only grows 8-12 (20-30 cm.) tall. Spreading by rhizomes, it can get three foot or wider. If you are familiar with plants that spread by rhizomes, you may wonder is ardisia invasive? Coral ardisia (Ardisia crenata), a close relative of Japanese ardisia, is considered an invasive species in some locations. However, Japanese ardisia does not share coral ardisia’s invasive species status. Still, because new plants are added to local invasive species lists all the time, you should check with your local extension office before planting anything questionable.[图片]Care for Japanese Ardisia Plants Japanese ardisia is mostly grown for its dark green glossy foliage. However, depending on variety, new growth comes in deep shades of copper or bronze. From spring through summer, small pale pink flowers hang beneath its whorled foliage tips. In autumn, the flowers are replaced by bright red berries. Commonly known as Marlberry or Maleberry, Japanese ardisia prefers part shade to shade. It can quickly suffer from sunscald if exposed to intense afternoon sun. When growing Japanese ardisia, it performs best in moist, but well-draining, acidic soil.[图片]Japanese ardisia is deer resistant. It is also not commonly bothered by pests or diseases. In zones 8-10, it grows as an evergreen. If temperatures are expected to dip below 20 degrees F. (-7 C.), though, Japanese ardisia should be mulched, as it can easily suffer from winter burn. A few varieties are hardy in zones 6 and 7, but they grow best in zones 8-10. Fertilize plants in spring with a fertilizer for acid-loving plants, such as Hollytone or Miracid.

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2017年08月29日

Wood fern (Dryopteris erythrosora) is found within the largest genus of fernswith more than 200 species at home in damp, wooded areas of the Northern Hemisphere. Read on to learn more about adding these fantastic fern plants to the garden.[图片]Wood Fern Information With their upright foliage and interesting color, wood fern plants are highly ornamental additions to the garden. Some varieties emerge reddish or coppery pink in spring, maturing to a bright, shiny green as the season progresses. Others are an attractive, bluish-green. Although many wood ferns are evergreen, some are deciduous, dying down in winter and springing back to life in spring. Wood ferns grow in USDA plant hardiness zones 5 through 8, although some may tolerate chilly winters as far north as zone 3.[图片]Wood Fern Growing Conditions Wood fern plants thrive in moist, rich, well-drained soil. Like most woodland garden plants, they prefer slightly acidic conditions. Planting wood ferns in soil enriched with leaf mold, compost or peat moss will help create good wood fern growing conditions. Wood fern plants require shade or semi-shade. Like most ferns, wood fern won’t perform well in intense sunlight, dry soil or extreme temperatures.[图片]Wood Fern Care Wood fern care is uninvolved and, once established, these relatively slow-growing plants need very little attention. Basically, just provide enough water to keep the soil from becoming totally dry. Many wood fern varieties tolerate wet conditions and will even grow along a stream or pond. Although fertilizer isn’t an absolute requirement, wood ferns appreciate a light dose of slow-release fertilizer shortly after new growth appears in spring.[图片]Wood fern plants appreciate a layer of mulch or compost to keep the soil moist and cool during spring and summer. A fresh layer in winter protects the roots from potential damage caused by freezing and thawing in chilly climates. Insects and disease aren’t common problems for wood fern, and the plant tends to be relatively resistant to damage by rabbitsor deer.

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2017年08月29日

Nature has surprises around every corner, and the vegetable fern is a perfect example of this. What is a vegetable fern? Keep reading to learn more. What is a Vegetable Fern? The vegetable fern plant (Diplazium esculentum) is a species found and used in East to South Asia and Oceania. It is a cold sensitive plant suitable for the warmer regions and tender to freezing temperatures. Are vegetable ferns edible? You better believe it! It is an edible plant harvested and eaten in its native regions. The young fronds are the stars on this plant, as the tender young growth is a delicious addition to stir fries and other veggie rich dishes. Harvest them in early spring and use them as you would asparagus for nutrient dense and delicious wild eats.[图片]Ferns of some type are very common in most regions. Their preference for moist, partially shady sites indicates that ferns are forest dwellers and, indeed, this is true for most species. The vegetable fern plant is a familiar food at markets in its native countries. The plant should not be confused with other varieties of ferns, however. It’s classified as Diplazium esculentum, which is a completely different species from look-a-likes such as Ostrich ferns. The vegetable fern plant is an evergreen that thrives on poor soils where there is plentiful moisture. Vegetable Fern Info Deplazium esculentum is grown from rhizomes as a harvest crop. The spores also freely implant in humus rich, moist soils. Distribution is widespread and even invasive in regions where there is plentiful heat, water and light shade. The plants prefer acidic soil and thrive in hot conditions. Most of the fern’s habitat is lower story forestry but it is also found in irrigation ditches and roadside gulleys. An interesting side note of vegetable fern info is its introduction to non-indigenous regions, where it has naturalized. It is something of a pest plant in areas of Florida and humid southern states of the United States.[图片]Diplazium Esculentum Uses You can find bundles of the crisp, yet tender, new fronds in Asian markets. In indigenous regions, Diplazium esculentum uses include light blanching as a leafy green vegetable, addition to stir fry or part of a soup or stew. The fiddleheads are also pickled. It is widely found in the Philippines and other parts of tropical Asia, such as India and the Bengals, as part of the daily diet. The fern is high in beta carotene and also contains a percentage of Vitamin E and riboflavin. The vegetable fern plant is a harvested crop that is either blanched, boiled or stir fried and, in some cases, pickled. Often compared to the flavor of over-cooked asparagus, the young fronds are generally cooked before consumption to avoid bitterness. Sometimes the fronds are dried and then reconstituted for cooking.[图片]In India it is an essential ingredient in jhol curry and in the Philippines it is called Paku and a dietary staple. In Japan it is used in stir fry and bears the common name kuware-shida in the marketplace. Pickled, the curled new leaves are the basis for spicy condiments.

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