动态第930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22日

Help! My basil leaves are curling and I don’t know what to do! Why do basil leaves curl under? The reason for basil leaves curling up may be environmental, or your plant may be diseased or pestered by pests. Read on to learn more about this frustrating problem.[图片]Reasons for Basil Leaves Curling Up Generally, growing basil in the garden is easy and stress free. That being said, problems can and do happen. Basil leaf curl treatment is dependent on the specific factor causing it. Here are the most common stressors leading to curling basil leaves. Sunlight – Basil is definitely a sun-loving plant and exposure to less than six hours of bright light per day may result in distorted foliage or basil leaves small and curled. Relocating the plant to a sunnier location may solve the problem. Water: Too much or too little – Basil requires regular water, but not too much. As a general rule, water the plant deeply whenever the top 1 to 2 inches of soil feels dry to the touch, usually once every four to seven days. However, keep in mind that potted plants may require more frequent irrigation, especially during hot, dry weather.[图片]Whether the plant is in the ground or in a container, be sure the soil (or potting mix) is lightweight and drains well. Water at the base of the plant and keep the leaves as dry as possible. Diseases – Fungal diseases may be the cause of basil leaves curling up, but chances are, you’ll notice other telltale signs. For example, powdery mildew is a fungal disease that causes a grey, powdery substance on the leaves. The disease is caused when conditions become too moist, including too much shade or soggy soil. Fusarium wilt, which is usually deadly, can cause brown or distorted leaves. To prevent moisture related diseases, water basil carefully as directed above. Pests – Basil is a hardy plant, but it can sometimes be bothered by aphids and other small, sap-sucking pests such as spider mites or scale. The pests can be difficult to see, but a close look at the leaves, especially the undersides, will usually tell the tale.[图片]If you determine your plant is infested with bugs, insecticidal soap spray usually keeps the pests in check. Be sure to spray when the foliage is in the shade; otherwise, the spray may scorch the plant. Don’t spray when the temperatures are above 90 degrees F. (32 C.).

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2017年08月22日

Basil is the “king of herbs,” a plant that has been used in both food and for medicinal purposes for thousands of years. It’s rich and varied flavors and delightful smell have continued to make it a popular garden and potted plant. Of the many varieties you can choose for your garden, bush basil plants are compact and showy and have smaller leaves than sweet basil with a concentrated punch of flavor.[图片]What is Bush Basil? Basil comes in so many varieties that it can be hard to choose just one or two for a limited space. Sweet basil (Ocimum basilicum) is fairly common, a tall herb with large, glossy green leaves. Bush basil (Ocimum minimum), sometimes called dwarf basil, only grows to about six inches tall (15 cm.) and is compact and bushy with smaller leaves. While both are annual plants, bush basil may survive the winter in milder climates. For culinary purposes, bush basil vs. sweet basil is a matter of taste. The leaves of both plants are used in similar ways, like in sauces or in salads. The flavor in the leaves of bush basil is more intense than sweet basil, so you get more bang for your buck. Because of this strong flavor, you’ll often see bush basil called “spicy globe” basil.[图片]Growing Bush Basil in the Garden or Containers Bush basil care is simple, making this tasty and fragrant plant easy to grow even for those without a green thumb. Because it’s shrub-like, compact, and bushy, growing bush basil in a pot is a great choice. It can even be used to create a low hedge in a garden. It will grow well and easily whether you choose a container or you put it right in the ground. Bush basil prefers rich soil, so find a good quality potting soil, or use a fertilizer to enrich your soil. Choose a full-sun location that drains well, water your plant regularly, and it should grow well. As it grows, harvest leaves as needed. Pinching it back will actually help it grow more. If you see flowers starting to grow, pinch them off. A flowering basil plant loses its flavor.[图片]How to Use Bush Basil Plants The leaves of the bush basil have an intense flavor, so you don’t need to use as many as you would with other varieties. Otherwise, you can use your small leaves exactly as you would with sweet basil. Bush basil leaves go great in anything Italian, like pasta dishes and tomato sauces. You can use the leaves in salads and with vegetable dishes. Basil even tastes great in drinks, like lemonade, iced tea, and cocktails. Bush basil plants are easy to grow, the leaves taste great, and they look nice both in containers and gardens. They make a great choice for any garden, yard, or windowsill.

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2017年08月22日

Basil (Ocimum basilicum) is often referred to as the king of herbs. Basil plants are certainly one of the most popular herbs grown in the home garden. Growing basil outdoors or in a container is very easy to do if you follow these simple steps for how to grow basil.[图片]Tips for Growing Basil Choose a location with great drainage. Whether you’re growing basil outdoors in the ground or in a container, the drainage needs to be excellent. Choose a location with good sun. Another important thing to remember for basil plant care is to choose a spot where the basil plants will get plenty of good sunlight. Choose growing basil seeds or plants. Will you start by growing basil seeds or basil plants? Either option is very easy to do when growing basil outdoors.[图片]Choose a location with good sun. Another important thing to remember for basil plant care is to choose a spot where the basil plants will get plenty of good sunlight. Choose growing basil seeds or plants. Will you start by growing basil seeds or basil plants? Either option is very easy to do when growing basil outdoors. If you choose growing basil seeds, scatter the seeds over the location that you have chosen and lightly cover with dirt. Water thoroughly. Thin to 6 inches apart once the seedling come up. If you choose growing basil plants, dig a small hole, tease out the root ball some and plant the basil plant in the ground. Water thoroughly. Wait till the temperature is right. When growing basil outdoors, it is very important to remember that basil is very sensitive to cold and even a light frost will kill it. Do not plant seeds or basil plants until all danger of frost has passed.[图片]Harvest often. The trick to how to grow basil that is large and abundant is to harvest often. The more you harvest basil, the more the plant will grow. When harvesting, pinch off the stem right above where a pair of leaves are growing. After you harvest, two more stems will start to grow, which means twice the leaves next time you harvest! Remove flowers. Once a basil plant flowers, the leaves start to lose their good flavor. If you remove any flowers, the leaves will get their good flavor back in just a day or so. As you can see, proper basil plant care is easy. Knowing how to grow basil will provide you with large amounts of this tasty herb.

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2017年08月22日

Aztec sweet herb care isn’t difficult. This perennial can be grown in the ground as a container plant or in a hanging basket, allowing you to grow it indoors or out. Just what is Aztec sweet herb? It’s a plant that has been used in salads and as a medicinal plant for one of several conditions.[图片]Aztec Sweet Herb Growing Aztec sweet herb growing is productive when you grow it in an area that receives full sunlight. It needs the warmth, especially during cold months, if it’s going to continue growing and providing you with herbs you can use in your food. Aztec sweet herb plants (Lippia dulcis) grow well in the ground and in large containers you set outdoors. It’s ideal for planting in a hanging basket, which allows you to add a little more beauty to your yard. The soil pH range should be between 6.0 and 8.0, which means it will range from acidic to alkaline. Before you plant your cuttings, incorporate potting soil so the pH is in the right range. [图片]Caring for Aztec Sweet Herb After planting your sweet herb, make sure the soil is well drained. Aztec sweet herb care in a desert area is easy because you’re going to allow the soil to nearly dry out before you water again. Once you’ve planted your herbs, you’ll find that they grow quickly, creeping along the ground and covering the soil. After it has settled into the soil, it will be a hardy plant that will easily withstand a little neglect.[图片]How to Use Aztec Sweet Herb Plants If you’re looking for ideas for how to use Aztec sweet herb, pick a leaf or two and pop them into your mouth. You’ll find they are just as sweet as any candy you pick up at the store, hence the name. Because of this, you can also pick several leaves and add them to a chilled fruit salad. This herb also has several medicinal uses. In past years, it was used as an expectorant for persistent coughs. It has also been used in South America, Central America and in the Caribbean Islands as a remedy for bronchitis, colds, asthma and colic. Disclaimer: The contents of this article is for educational and gardening purposes only. Before using ANY herb or plant for medicinal purposes, please consult a physician or a medical herbalist for advice.

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2017年08月22日

A member of the sunflower family, arnica (Arnica spp.) is a perennial herb that produces yellow-orange, daisy-like blooms in late spring and early summer. Also known as mountain tobacco, leopard’s bane and wolfbane, arnica is highly valued for its herbal qualities. However, before you decide to grow arnica or use the herb medicinally, there are a number of things you should know. [图片]Arnica Herb Uses What is arnica herb for? Arnica has been used medicinally for hundreds of years. Today, the roots and flowers are used in topical treatments such salves, liniments, ointments, tinctures and creams that soothe tired muscles, relieve bruises and sprains, ease the itch of insect bites, soothe burns and minor wounds, promote hair growth and reduce inflammation. Although the herb is usually applied topically, homeopathic remedies with highly diluted amounts of the herb are available in pill form. Arnica is generally safe when used topically, although products containing arnica should never be used on broken skin. However, arnica should never be taken internally except when the doses are small and extremely diluted (and with the guidance of a professional). The plant contains a number of toxins that can cause a variety of potentially dangerous results, including dizziness, vomiting, internal bleeding and heart irregularities. Ingesting large amounts can be deadly.[图片]Arnica Growing Conditions Arnica is a hardy plant suitable for growing in USDA plant hardiness zones 4 through 9. The plant tolerates nearly any well-drained soil, but generally prefers sandy, slightly alkaline soil. Full sunlight is best, although the arnica benefits from a bit of afternoon shade in hot climates. How to Grow Arnica Planting arnica isn’t difficult. Just sprinkle the seeds lightly on prepared soil in late summer, then cover them lightly with sand or fine soil. Keep the soil slightly moist until the seeds germinate. Be patient; seeds usually sprout in about a month, but germination can take much longer. Thin the seedlings to allow about 12 inches between each plant. You can also start arnica seeds indoors. Plant the seeds in pots and keep them in bright, indirect sunlight where temperatures are maintained at approximately 55 F. (13 C.) For best results, grow the plants indoors for several months before moving them to a permanent outdoor location after all danger has passed in spring. If you have access to established plants, you can propagate arnica by cuttings or divisions in spring.[图片]Arnica Plant Care Established arnica plants require very little attention. The primary consideration is regular irrigation, as arnica is not a drought-tolerant plant. Water often enough to keep the soil lightly moist; don’t allow the soil to become bone dry or soggy. As a general rule, water when the top of the soil feels slightly dry. Remove wilted flowers to encourage continued blooming throughout the season. Disclaimer: The contents of this article is for educational and gardening purposes only. Before using ANY herb or plant for medicinal purposes, please consult a physician or a medical herbalist for advice.

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2017年08月22日

While not a conventionally beautiful plant, angelica attracts attention in the garden because of its imposing nature. The individual purple or flowers are quite small, but they bloom in large clusters similar to Queen Anne’s lace, creating a striking display. Propagating angelica plants is a great way to enjoy them in the garden. Angelica is best grown in groups with other large plants. It combines well with ornamental grasses, large dahlias and giant alliums. When attempting angelica propagation, you should be aware that growing angelica cuttings is difficult because the stems usually fail to root. Instead, start new plants from angelica seeds or divisions of two- or three-year-old plants. The plants bloom every other year, so plant angelica in two consecutive years for a constant supply of flowers.[图片]Starting Angelica Seeds Angelica seeds grow best when planted as soon as they mature. When they are nearly ripe, fasten a paper bag over the flower head to catch the seeds before they fall to the ground. Use peat or fiber pots so that you won’t have to disturb the sensitive roots when you transplant the seedlings into the garden. Press the seeds gently onto the surface of the soil. They need light to germinate, so don’t cover them with soil. Place the pots in a bright location with temperatures between 60 and 65 degrees F. (15-18 C.) and keep the soil moist.[图片]If you are propagating angelica plants from dried seeds, they need some special treatment. Sow several seeds on the surface of each peat pot. They have a low germination rate and using several seeds in each pot helps insure that seedlings will germinate. After sowing angelica seeds, place the peat pots in a plastic bag and refrigerate them for two to three weeks. Once you bring them out of the refrigerator, treat them as you would fresh seeds. If more than one seedling germinates in a pot, clip out the weakest seedlings with scissors.[图片]How to Propagate Angelica from Divisions Divide angelica plants when they are two or three years old. Cut the plants back to about a foot from the ground to make them easy to handle. Drive a sharp spade in to the center of the plant or lift the entire plant and divide the roots with a sharp knife. Replant the divisions immediately, spacing them 18 to 24 inches apart. An easier method of angelica propagation is to allow the plants to self-seed. If you have mulched around the plant, pull the mulch back so that the seeds that fall will come in direct contact with the soil. Leave the spent flower heads on the plant so that the seeds can mature. When growing conditions are ideal, the seeds will germinate in spring. Now that you know how to propagate angelica, you can continue to enjoy these plants each year.

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2017年08月22日

Angelica is an herb commonly utilized in Scandinavian countries. It also grows wild in Russia, Greenland, and Iceland. Less commonly seen here, angelica can be cultivated in the cooler regions of the United States where it can reach heights of up to 6 feet! This begs the question, does angelic plant need trimming and, if so, how to prune angelica herbs?[图片]Does Angelica Plant Need Trimming? ngelica (Angelica archangelica) is also known as garden angelica, Holy Ghost, wild celery, and Norwegian angelica. It is an ancient herb used for its medicinal and magical properties; it was said to ward off evil. The essential oil contained in all parts of the plant lends itself to a multitude of used. The seeds are pressed and the resulting oil is used for flavoring foods. The Lapps not only eat angelica, but use it medicinally and even as a substitute for chewing tobacco. Norwegians crush the roots for use in breads and the Inuit use the stalks as you would celery. As mentioned, angelica can get quite tall, so for that reason alone, some judicious pruning may be advised. While angelica plants are often grown for their sweet roots, their stems and leaves are also often harvested, which is more or less simply pruning the angelica. So, how do you prune angelica herbs?[图片]Pruning Angelica Angelica harvesting may involve the entire plant. Young stems are candied and used to decorate cakes, the leaves can be used in scented pillows, and the roots can be cooked with butter and/or mixed with tart berries or rhubarb to cut down on their acidity. In the angelica’s first growing year, this member of Apiaceae only grows leaves that can be harvested. Angelic harvesting of leaves should occur in the late spring or early summer. Harvesting angelica’s tender stems must wait until the second year and are then candied. Cut the stalks in mid to late spring while they are young and tender. Another good reason for pruning angelica stems is so the plant will continue to produce. Angelica that is left to flower and go to seed will die.[图片]If you are harvesting angelica for its roots, do so the first or second fall for the most tender roots. Wash and dry the roots well and store them in an air tight container. Unlike many other herbs, angelica likes moist soil. In nature, it is most often found growing alongside ponds or rivers. Keep the plant well watered and it should reward you with years of harvesting.

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2017年08月22日

What is dong quai? Also known as Chinese angelica, dong quai (Angelica sinensis) belongs to the same botanical family that includes veggies and herbs such as celery, carrots, dilland parsley. Native to China, Japan and Korea, dong quai herbs are recognizable during the summer months by the umbrella-like clusters of small, sweet-smelling flowers that are highly attractive to bees and other beneficial insects – similar to garden angelica. Read on for more interesting information on Chinese angelica plants, including uses for this ancient herb.[图片]Dong Quai Plant Info Although Chinese angelica plants are attractive and aromatic, they are grown primarily for the roots, which are dug in fall and winter, and then dried for later use. Dong quai herbs have been used medicinally for thousands of years, and they are still in wide use today, primarily as capsules, powders, tablets and tinctures. Traditionally, dong quai herbs have been used to treat female ailments such as irregular menstrual cycles and cramps, as well as hot flashes and other symptoms of menopause. Research is mixed regarding the efficacy of dong quai for “female problems.” However, many experts recommend that the herb shouldn’t be used during pregnancy, as it may cause uterine contractions, thus possibly increasing the risk of miscarriage.[图片]Additionally, boiled dong quai root has traditionally been used as a blood tonic. Again, research is mixed, but it isn’t a good idea to use dong quai herbs within two weeks prior to elective surgery, as it may work as a blood thinner. Dong quai has also been used to treat headaches, nerve pain, high blood pressure and inflammation. In addition to its medicinal qualities, the roots can also be added to stews and soups, much like sweet potatoes. The leaves, which have a flavor similar to celery, are also edible, as are the stems, which are reminiscent of licorice.[图片]Growing Dong Quai Angelica Dong quai grows in nearly any moist, well-drained soil. It prefers full sun or partial shade, and is often grown in semi-shady spots or woodland gardens. Dong quai is hardy in zones 5-9. Plant dong quai angelica seeds directly in the garden in spring or fall. Plant the seeds in a permanent location, as the plant has extremely long taproots that make transplantation very difficult. Chinese angelica plants require three years to reach maturity.

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2017年08月22日

Agrimony (Agrimonia) is a perennial herb that has been tagged with a variety of interesting names over the centuries, including sticklewort, liverwort, church steeples, philanthropos and garclive. This ancient herb has a rich history and is valued to this day by herbalists around the world. Read on for more agrimony plant info, and learn how to grow agrimony herbs in your own garden.[图片]Agrimony Plant Info Agrimony belongs to the rose family, and the spikes of sweet-scented, bright yellow blooms are an attractive addition to the landscape. In days of yore, fabric was colored with dye created from the blooms. Historically, agrimony herbs have been used to treat a variety of conditions, including insomnia, menstrual problems, diarrhea, sore throat, cough, snake bites, skin conditions, blood loss and jaundice. According to various sources of plant folklore, witches used the agrimony herb in their spells to ward off curses. Homeowners, who believed the plant had magical qualities, relied on agrimony sachets to repel goblins and evil spirits. Modern herbalists continue to utilize agrimony herbs as a blood tonic, digestive aid and astringent. [图片]Agrimony Growing Conditions Want to know how to grow agrimony in your garden? It’s easy. Agrimony herb plants grow in USDA plant hardiness zones 6 through 9. The plants thrive in full sunlight and most types of average, well-drained soil, including dry and alkaline soil. Plant agrimony seeds directly in the garden after all danger of frost has passed in spring. You can also start seeds indoors a few weeks ahead of time, then transplant them to the garden when daytime temps are warm and seedlings are about 4 inches tall. Allow at least 12 inches between each seedling. Watch for seeds to germinate in 10 to 24 days. Plants are generally ready for harvest 90 to 130 days after planting. Alternatively, you can propagate root cuttings from mature agrimony plants.[图片]Agrimony Herb Care Agrimony herbs don’t require a lot of attention. Just water lightly until the plants are established. Thereafter, water only when the soil is dry. Beware of overwatering, which can cause powdery mildew. Too much moisture can also result in root rot, which is nearly always deadly. This is really all there is to agrimony herb care. Don’t bother with fertilizer; it isn’t necessary.

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2017年08月21日

If ever there was the perfect plant for the ultimate brown thumb, the easy ZZ plant is it. This virtually indestructible houseplant can take months and months of neglect and low light and still look amazing. Previously, the ZZ plant would only be found in planters in malls and large office buildings where they would frequently be mistaken for fake plants, partially because they needed so little care and always looked healthy. But in recent years, they have found their way onto the shelves of both big box and hardware stores where anyone can purchase one. This has led to many people wondering how to grow ZZ plants. The short answer is that it takes very little effort.[图片]Learn About the ZZ Plant The ZZ plant (Zamioculcas zamiifolia) gets its common name from its botanical name. As Zamioculcas zamiifolia was long and difficult to say, many nursery workers simply shortened it to Zz. ZZ plant stems grow in a graceful, wand-like shape that starts thick and bulbous at the base and then tapers to a point. Along the stem are fleshy, oval-shaped leaves that make the plant look like stylized feathers. The entire plant has a waxy, shiny coating that makes it appear to resemble those made of plastic. Between the sculptural qualities of the plant and its waxy coating, it is not uncommon for people to insist that it must be an artificial plant.[图片]How to Grow ZZ Plants ZZ plants do best in bright to moderate, indirect light but will do fine in extremely low levels of light. This plant makes an ideal plant for a window-less office or bathroom where it will only receive small amounts of fluorescent light. While ZZ plants can take direct light, you may see some scalding on the leaves if it is left in direct light. Additionally, curling leaves, yellowing and leaning can all be an indication of too much light. When you notice curling taking place, it typically means the plant is trying to move away from the light source. Move the plant to a shadier location or farther away from the light source. You can also try filtering the light with curtains or blinds if moving the plant is not feasible. [图片]Caring for a ZZ Plant ZZ plant care starts with a lack of care. In fact, ZZ plants will do better if you leave them alone. Much like cacti, they need less rather than more water. Water the plant only when the soil has dried out. The rare way you can kill this plant is to over water it. A ZZ plant turning yellow means that it is getting too much water and its underground rhizomes may be rotting. So if you remember nothing else about caring for a ZZ plant, just remember to forget to water it. It can survive months without water, but will grow faster if watered somewhat regularly. ZZ plants are happy without fertilizer, but if you would like, you can give the plants half strength fertilizer one to two times a year and only in the summer months. Growing ZZ houseplants is easy and especially suited for the forgetful gardener.

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