动态第899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25日

Marjoram is a delicate herb grown for its culinary possibilities and its attractive fragrance. Similar to oregano, it’s a tender perennial that performs very well in containers. It also grows reliably and quickly enough, however, it’s often just treated as an annual. When planting anything in the garden, it’s good to know ahead of time what grows best next to what. Some plants are very good neighbors to others for their pest fighting abilities, while others are not so good because of certain nutrients they take from or put into the soil. Keep reading to learn more about companion planting with marjoram.[图片]Marjoram Plant Companions Marjoram is a great herb in that it doesn’t really have any bad neighbors. It grows well next to all plants, and it is actually believed to stimulate growth in the plants around it. You can plant your marjoram virtually anywhere in your garden and rest assured it will be doing some good. Its flowers are very attractive to bees and other pollinators, which will improve the pollination rate of all marjoram companion plants.[图片]Companion Plants for Marjoram So what to plant with marjoram plants? If you want to improve your marjoram’s performance, it does especially well when it’s planted next to stinging nettle. Having this particular plant nearby is said to strengthen the essential oil found in marjoram, making its flavor and scent more distinct. The one thing you need to worry about when companion planting with marjoram is its growing requirements. Even though its presence is universally helpful, marjoram plant companions will suffer if they have distinctly different growing conditions.[图片]Marjoram grows best in rich, well-draining soil with neutral pH. The best marjoram companion plants thrive in the same kind of soil. Some examples of specific vegetable plants that work well with marjoram in the garden include: Celery Corn Eggplant Onions Peas Potatoes Radishes

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2017年08月25日

Growing marjoram is a great way to add both flavor and fragrance in the kitchen or garden. Marjoram plants are also great for attracting butterflies and other beneficial insects to the garden, making them ideal for use as companion plantings. Let’s look at how to grow marjoram.[图片]What is Marjoram? Marjoram (Origanum majorana) is an easy to grow herb well suited for growing in containers as well as the garden. There are generally three varieties that are commonly grown: sweet marjoram, pot marjoram, and wild marjoram (also known as common oregano). All types of marjoram are popular for use in the kitchen as seasoning for numerous dishes. They’re also grown for their enticing fragrance. How to Grow Marjoram Herbs Although marjoram plants are tender perennials, they are typically treated as annuals as freezing temperatures will cause serious injury or death to the plants. When growing marjoram plants, it’s generally best to start the seeds indoors during late winter or early spring. Push seeds just below the soil surface. Seedlings can be transplanted outdoors once all threat of frost has passed. Marjoram should be located in areas receiving full sun with light, well-drained soil. Likewise, marjoram plants can be grown in containers indoors and treated as houseplants.[图片]Marjoram Plant Care Established plants require little care, other than occasional watering. Since marjoram is tolerant of drought, it makes an exceptional plant for beginner herb growers. If you forget to water it, that’s okay. There’s no need for fertilizer either when growing marjoram herbs. It’s hardy enough to basically care for itself. During mild weather, marjoram plants grown indoors can be taken outside and placed in a sunny area. However, container-grown plants should always be moved indoors or to another sheltered location once cold temperatures or frost is imminent.[图片]Harvesting and Drying Marjoram Plants In addition to growing marjoram herbs for aesthetic purposes, many people harvest the plant for use in the kitchen. When harvesting marjoram, pick the shoots just before flowers begin to open. This results in the best flavor, as fully opened blooms produce a bitter taste. Bundle marjoram cuttings and hang them upside down in a dark, dry, well-ventilated area. When you know how to grow marjoram, you can add it to your herb garden.

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2017年08月25日

Lovage plants (Levisticum officinale) grow like weeds. Fortunately, all parts of the lovage herb are usable and delicious. The plant is used in any recipe that calls for parsley or celery. It has a high salt content, so a little will go a long way but the stalks and stems are best used in carbohydrate-based dishes such as pasta and potato recipes.[图片]Lovage Herb Uses All parts of the herb are useable. The leaves are added to salads; the root is dug up at the end of the season and used as a vegetable. Stems can replace celery and the flower yields an aromatic oil. Interestingly, the lovage herb is a commonly used flavoring for confectionaries. You can use seeds and stems in candy making. The seeds are a common ingredient in flavored oils and vinegars, which steep in the liquid, releasing their flavor over time. Lovage herb is most commonly used in Europe where it flavors foods in Germany and Italy.[图片]How to Grow Lovage Lovage looks a bit like celery but is in the carrot family. The plants may grow up to 6 feet and bears lacy thick green foliage. The flowers are yellow and held in umbrella-shaped umbels. They grow 36 to 72 inches with a 32-inch spread. The base of the plant is comprised of thick, celery-like stems with glossy green leaves that decrease in number as you move up the stalk. The yellow flowers are arranged in umbel type clusters, which produce seeds 1/2 inch long. Sun and well-drained soils are the key to growing lovage. Growing lovage requires soil with a pH of 6.5 and sandy, loamy soils. Lovage plants are hardy to USDA plant hardiness zone 4. Determining when to plant lovage is the first step in growing the herb. Direct sow lovage seed indoors five to six weeks before the date of the last frost. Sow seed on the surface of soil and dust with sand. The seeds may also be sown outside in late spring when soil temperatures have warmed to 60 degrees F. (16 C.).[图片]Seedlings require consistent moisture until they are several inches tall and then irrigation may diminish. Transplant lovage plants 8 inches apart in rows 18 inches away from each other. Lovage will bloom earlier when planted indoors. You can expect flowers on transplanted plants in early summer that last until late summer. Leaf miners seem to be the primary pest of the plant and will damage the leaves with their feeding activity. Harvest lovage leaves at any time and dig out the root in autumn. Seeds will arrive late in summer or early spring and the stems are best when eaten young. Lovage has a reputation as a good companion plant for potatoes and other tubers and root crops. Food crops should be arranged in the vegetable garden to form the best alliances and make their growth better and healthier.

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2017年08月25日

Lemongrass (Cymbopogon citratus) is a commonly grown herb. Both its stalk and foliage are used in many prepared dishes such as teas, soups and sauces. While it is easy to grow and care for, some people are not sure about when or how to go about picking lemongrass. In fact, lemongrass harvesting is easy and can be done nearly anytime or year round when grown indoors.[图片]Harvesting Lemongrass Lemongrass is commonly used to add flavor and aroma to food. However, it is typically the stalk which is most often utilized and edible. Since the stalks are somewhat hard, they’re normally crushed in order to allow the lemony flavor to come through when cooking. Only the tender part inside is considered edible, so once it’s cooked, it can be sliced and added to various dishes. This tender portion also tends to be located towards the bottom of the stalk.[图片]How to Harvest Lemongrass Harvesting lemongrass is simple. While you can harvest lemongrass pretty much at any time throughout its growing season, in cooler regions, it is normally harvested towards the end of the season, just before the first frost. Indoor plants can be harvested throughout the year. Keeping in mind that the most edible part is near the bottom of the stalk; this is where you’ll want to snap or cut off your lemongrass. Begin with older stalks first and look for those that are anywhere between ¼- to ½-inch thick. Then either snap it off as close to the roots as possible or cut the stalk at ground level. You can also twist and pull the stalk. Don’t worry if you wind up with some of the bulb or roots.[图片]After you have harvested your lemongrass stalks, remove and discard the woody portions, as well as the foliage (unless you intend on using and drying the leaves for teas or soups). While most people pick lemongrass to use right away, it can be frozen for up to six months if needed. Now that you know a little more about lemongrass harvesting, you can pick this interesting and tasty herb to use for your own cooking.

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2017年08月25日

Lemongrass is a tender perennial that is grown either as an ornamental grass or for its culinary uses. Given that the plant is native to regions with long, hot growing seasons, you may be wondering, “is lemongrass winter hardy?” Read on to learn more.[图片]Is Lemongrass Winter Hardy? The answer to this is that it really depends on what region you live in. As mentioned, the plant thrives during long, hot growing seasons and if you happen to live in an area with these conditions and very mild winters, you’ll undoubtedly continue growing lemongrass in winter months. Temperatures must remain consistently over 40 degrees F. (4 C). That said, most of us will have to take some precautions when preparing lemongrass for winter. Overwintering Lemongrass Plants Grown for its 2- to 3-foot spiky leaves aromatic with the scent of lemon, lemongrass needs lots of growing space. A single clump will easily increase to a 2 foot wide plant in a single growing season. Growing lemongrass in winter is only possible when those months are extremely mild with little temperature fluctuation. When overwintering lemongrass in cool climates, it may be wise to grow the plant in containers. These can then be easily moved into a sheltered area during winter months.[图片]Otherwise, to protect plants grown directly in the garden, lemongrass winter care should include dividing them prior to the onset of cold temps. Pot them and bring them inside to overwinter until the next season, wherein they can be replanted outside. A delicate plant, lemongrass (Cymbopogon citratus) is easily propagated via stem cuttings or as mentioned, divisions. In fact, lemongrass purchased from the produce section of the local grocery store can often be rooted. Container plants should be potted in containers with adequate drainage holes and filled with a good quality prepared soil mix. When growing outside, place in an area of full sun and water as needed but take care not to over water, which may lead to root rot. Fertilize lemongrass every two weeks with an all-purpose liquid food. Prior to the first frost, move the plants indoors to an area of bright light for lemongrass winter care. Continue to water as needed, but reduce fertilizer during these cool months until it’s time to take the plants outdoors again in the spring.[图片]Harvest as much of the plant as possible for later use if you don’t have a suitable indoor space for growing lemongrass over winter. The leaves can be cut and used fresh or dried for future use while the most desirable tender white interior should be used fresh when its flavor is at its peak. The tough outer parts can be used to infuse lemon flavor to soups or teas, or can be dried to add aromatic scents to potpourri. Fresh lemongrass can be kept in the refrigerator for 10 to 14 days wrapped in a damp paper towel or you may decide to freeze it. To freeze lemongrass, wash it, trim it and chop it up. Then it can be frozen right away in a resealable plastic bag, or freeze it first with a small amount of water in ice cube trays and then transfer to resealable plastic bags. Frozen lemongrass will keep for at least four to six months and allow you a longer window in which to use this delightful, delicious lemony addition.

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2017年08月25日

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2017年08月25日

If you’ve ever cooked Asian cuisine, particularly Thai, there’s a good chance you’ve bought lemongrass from the grocery store. But did you know that if you’ve bought lemongrass once, you should never have to buy it again? Lemongrass is one of those wonder plants: It tastes great, it smells great, and when you cut it, the plant grows right back. As a great bonus, you can grow it straight from the stalks you buy in the grocery store. Keep reading to learn about care for indoor lemongrass plants and how to grow lemongrass indoors.[图片]Can You Grow Lemongrass Indoors? Can you grow lemongrass indoors? Absolutely! In fact, growing lemongrass indoors is a necessity in colder climates, as lemongrass grown outdoors will not survive the winter. If you can find lemongrass for sale in your grocery store, buy some. Pick the stalks with the greenest centers and the bulbs still intact on the bottom. Place them, bulb down, in a glass with a few inches of water. Let them sit for a few weeks, changing the water frequently, until new roots begin to grow. If you’re growing lemongrass indoors, you’ll need to pick the right container.[图片]Lemongrass spreads and grows to be a few feet high, so choose a container that’s as big as you can stand to have in your house. Make sure it has ample drainage holes. Fill the container with potting mix and water until it’s moist but not wet. Poke a hole in the center of the potting mix. Trim off the tops of the stalks and set one stalk, gently, in the hole. Fill the potting mix in around it and set the plant in a sunny place to grow.[图片]How to Grow Lemongrass Indoors Care for indoor lemongrass plants is easy and productive. When planting lemongrass in pots, one of the best things you can do for your plant is to harvest it frequently, as this encourages new growth. Harvesting involves cutting it with a sharp knife flush to the surface of the soil. You’ll have a whole stalk to cook with or dry, and the bulb will immediately produce new growth. Keep your pot in full sun – if it’s warm enough, set it outside. Water and fertilize frequently. If it starts to get too big for its pot, you can transplant up or harvest a few stalks, bulb and all, to cook with or transplant elsewhere.

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2017年08月25日

Lemongrass is a popular plant to grow for its culinary possibilities. A common ingredient in Southeast Asian cuisine, it’s very easy to grow at home. And what’s more, you don’t even have to grow it from seed or buy plants at a nursery. Lemongrass propagates with a very high success rate from the cuttings you can buy at the grocery store. Keep reading to learn more about propagating a lemongrass plant and regrowing lemongrass plants in water.[图片]Lemongrass Propagation in Water Propagating a lemongrass plant is as easy as placing the stalks in a glass of water and hoping for the best. Lemongrass can be found in most Asian grocery stores as well as some larger supermarkets. When buying lemongrass for propagation, pick stalks that have as much of the bottom bulb still intact. There’s a chance there may be some roots still attached – and this is even better.[图片]Rooting Lemongrass in Water To encourage your lemongrass stalks to grow new roots, place them bulb down in a jar with an inch of water in the bottom. Rooting lemongrass in water may take as long as three weeks. Over the course of that time, the tops of the stalks should start to grow new leaves, and the bottoms of the bulbs should start to sprout new roots.[图片]To prevent the growth of fungus, change the water in the jar every day or two. After two or three weeks, your lemongrass roots should be an inch or two long. Now you can transplant them to your garden or a container of rich, loamy soil. Lemongrass prefers full sun. It can’t tolerate frost, so if you experience cold winters, you’ll either have to grow it in a container or treat it as an outdoor annual.

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2017年08月25日

Lemongrass is a sweet pungent, citrusy plant often used in Asian cooking. It is a sun-loving plant, so companion planting with lemongrass should include other plants that like to bask in plenty of heat and light. Not only is lemongrass a culinary seasoning, but it makes a soothing tea said to aid in sleep. This is an easy plant to grow with light frost tolerance in either the ground or containers. Pair it with plants that have the same growing conditions or make a fun culinary garden with flavors and textures that benefit from its unique sweet tanginess.[图片]What to Plant with Lemongrass Lemongrass contains citronella, a plant oil with pest repelling properties, especially mosquitoes. Using lemongrass among your patio plantings is an excellent way to enjoy your outdoors in summer without worrying about those disease transmitting insects. Planting next to lemongrass provides a rich contrast for the golden leaves while the pungent oil helps prevent other pests. You can readily snap off the leaves and cover your skin with the natural oil to protect you and your family from dangerous mosquitoes and your plants from pests, like whiteflies. If you are new to gardening with this plant, you may wonder what to plant with lemongrass. While many traditional companion planting schemes exist, there is little information on lemongrass companion plants. That doesn’t mean it isn’t beneficial to other species in the garden, but it hasn’t been shown to accent other plant growth. Nonetheless, planting next to lemongrass can develop a quick pick dinner area that is easy to browse during meal preparation. Many fruits, vegetables and herbs that tend to be part of a recipe using lemongrass also flourish in the same growing conditions. East Indian and West Indian lemongrass are the two species most commonly used in cooking. The plants need rich, loose soil with good drainage and plenty of moisture to thrive.[图片]Lemongrass Companion Plants Herb containers on the back porch or patio provide convenient, fresh seasoning choices just off the kitchen. Some great ways of companion planting with lemongrass are by using herbs, which appreciate full sun and well-drained soil. Possible options include: Cilantro Basil Thyme Mint Lemon verbena Echinacea Marigolds All of these have culinary and medicinal properties and can be part of seasoning blends for many recipes. Container gardening also allows you to bring the pot indoors if a severe freeze threatens. Remember, lemongrass can get 3 to 6 feet tall, so use other herbs at the edges of the pots so they are not shaded by the lemongrass.[图片]Lemongrass is grown in Guatemala, India, Paraguay, England, Sri Lanka, China, and other parts of Indochina, Africa, Central America, and South America. If possible, choose lemongrass companions from the same region such as galangal, ginger, and turmeric, which do well when planted nearby. Traditional crops include mangos, cucumbers, fennel and onions. Be careful about intercropping, as the roots can spread out and eventually take over an area. In areas under fruit trees, like citrus, lemongrass makes an attractive ground cover, reducing weeds and keeping moisture in the soil. It is also useful when planted with tomatoes, peppers, and tomatillos, who prefer the same growing conditions. As an added bonus, lemongrass goes well in dishes that use these fruits. Many lemongrass companions might be edible but its lime-toned, grassy leaves make a perfect backdrop for geraniums, hardy hibiscus, and many more summer blooming plants.

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2017年08月25日

Lemongrass is a delicious citrus scented grass that is used in many Asian dishes. It also makes a lovely, easy to grow addition to the garden. Easy to grow it may be, but not without issues. I recently notice that my lemongrass is turning brown. The question is, WHY is my lemongrass turning brown? Let’s find out.[图片]Help, My Lemongrass Leaves are Brown! Like me, you’re probably asking “Why is my lemongrass turning brown?” Insufficient watering/fertilizing The most obvious reason for a lemongrass plant turning brown would be lack of water and/or nutrients. Lemongrass is native to areas with regular rainfall and high humidity so they may need more water in the home garden than other plants. Water and mist the plants regularly. To keep other plants nearby from getting drowned out by the frequent watering, plant the lemongrass in a bottomless container buried in the soil. Lemongrass also needs lots of nitrogen, so fertilize the plants with a balanced soluble fertilizer once a month.[图片]Fungal diseases Still have brown leaves on lemongrass? If a lemongrass plant is turning brown and water has been ruled out as the culprit, it might be a disease. Brown leaves on lemongrass might be a symptom of rust (Puccinia nakanishikii), a fungal disease that was first reported in Hawaii in 1985. In the case of rust infection, lemongrass leaves are not only brown, but there will be light yellow spots on the foliage with streaks of brown and dark brown pustules on the undersides of leaves. Severe infection may result in the death of leaves and eventually plants.[图片]Rust spores survive on lemongrass debris on the ground and is then spread by wind, rain, and water splashing. It is most common in areas of high rainfall, high humidity, and warm temperatures. So, despite the fact that lemongrass thrives in such areas, obviously there can be too much of a good thing. To manage rust, promote healthy plants by using mulch and fertilize regularly, prune out any diseased leaves and avoid overhead irrigation. Also, don’t space the lemongrass too close together, which will only encourage transmission of the disease. Brown leaves on lemongrass may also mean leaf blight. Leaf blight’s symptoms are reddish brown spots on leaf tips and margins. The leaves actually look like they are desiccating. In the case of leaf blight, fungicides may be applied and also prune out any infected leaves.

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