动态第915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24日

The lemon verbena plant (Aloysia citrodora) is native to the countries of Chile and Argentina. The lemon verbena herb is an aromatic shrub, its leaves holding their fragrance even after being dried for years. The lemon verbena plant has a fragrant, lemony smell, small white flowers and narrow leaves. Read on to learn more about growing lemon verbena.[图片]How Do I Grow Lemon Verbena? Growing lemon verbena isn’t too difficult. The lemon verbena herb is a sensitive one, preferring warmth to cold and having a high water requirement. Lemon verbena seeds or cuttings are used when you want to generate a new plant. In other words, you can propagate the plant or grow it fresh from the seeds. The cuttings of lemon verbena plants can be placed in a jar of water while you wait for new roots to form. Once they form, wait a few weeks for a good root structure to exist before planting the plant into soil. Once you see some good roots, you can plant it in a container with normal potting soil or outdoors if you live in a warm climate. As far as growing lemon verbena from seed, you can start them in your normal starting planters. Just remember that both the seeds and the cuttings need plenty of sunshine to form a good plant. Once you see the seedlings and they have grown several leaves, you can transplant the seedlings into normal sized pots.[图片]Some Lemon Verbena Uses Some of the most common lemon verbena uses include putting the leaves and flowers in teas and to flavor alcoholic beverages. You can use the lemon verbena herbs in desserts and jams. It is also wonderful in a good fruit salad. The lemon verbena plant is sometimes used in making perfumes. There are toilet waters and colognes that include the herb in their ingredients. Medicinally, the flowers and leaves of the lemon verbena herb have been used to help with certain medical conditions. Lemon verbena uses include using it medicinally as an antipyretic (fever reducer), sedative, stomachic and antispasmodic.[图片]So now you know that growing lemon verbena is not that difficult and requires very little work. You also know that lemon verbena uses include human consumption both medicinally and as an herb, and that it is safe for human consumption. Lemon verbena plants are very versatile, so when you include it in an herb garden, know that you have included a very useful plant indeed.

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2017年08月24日

Pruning lavender is important in keeping a lavender plant producing the type of fragrant foliage that most gardeners seek. If lavender isn’t pruned regularly, it will become woody and produce fewer fragrant leaves and flowers. If you’re wondering how to prune lavender and when to prune lavender at the correct time, have no fear. All of this information is listed below.[图片]When to Prune Lavender You’ll start trimming lavender in the second year that it is in the ground. Newly planted or very young plants need a chance to establish themselves, and in order to do this, they need to be able to focus on growing roots. If you cut back lavender in its first year, it will put energy towards growing leaves rather than roots and this will make it a weaker plant in the long term. Once your lavender plant has had one year to establish itself, you’ll need to prune your lavender once a year. The best time for when to prune lavender is in the spring just as the new growth is starting to come in.[图片]How to Prune Lavender When pruning lavender, it’s important to start out with a sharp, clean set of pruning shears. Wipe down the blades of your pruning shears with rubbing alcohol or bleach to make sure all bacteria and potentially harmful germs are removed from the blades. The next step for trimming lavender is to prune one-third of the plant. This will force the lavender to create new and more growth, which will not only keep the lavender bush from going woody, but will also help to increase the amount of lavender available for harvest later in the season. Properly pruning lavender will help your lavender produce more and stay healthier and more lovely. If you follow these easy tips for how to prune lavender, you can’t go wrong.[图片]

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2017年08月24日

Can you ever have too many lavender plants? This article explains how to propagate lavender from cuttings. The project doesn’t require any special equipment, and it’s easy enough for a beginner. Read on to learn more.[图片]Propagating Lavender Plants You can start lavender from hardwood or softwood cuttings. Softwood cuttings are taken from the soft, pliable tips of new growth. Hardwood is thicker than softwood and resists bending. It may snap if you force it to bend. The best type of cutting to use depends on the type of lavender and the time of year. Softwood cuttings are plentiful in spring, and you can gather more of them without destroying the parent plant. They root quickly but aren’t as reliable as hardwood cuttings. While softwood cuttings are only available in spring, you can take hardwood cuttings in spring or fall. Some types of lavender bloom freely, making it hard to get a blossom-free stem when the wood is soft. Blossoms drain the plant of energy, and it’s unlikely that a stem will have the resources to form good roots if it is trying to bloom. These free-blooming plants are best rooted from hardwood cuttings.[图片]Taking Cuttings from Lavender Regardless of the type of cutting, you should always cut healthy, straight, vigorous stems for rooting. Choose stems with good color and no buds. Use a sharp knife to take a hardwood or softwood cutting measuring 3 to 4 inches long. Cut hardwood stems just below a bump that indicates a leaf node. Remove all of the leaves from the lower 2 inches of the stem and then gently scrape the skin off the bottom portion of the stem on one side with a knife. Set the cutting aside while you prepare the container. Fill a small pot with commercial starting medium or a homemade mix of half vermiculite or perlite and half peat moss, with a little bark added to facilitate drainage. Dip the stripped tip of the cutting in rooting hormone, if desired. Rooting hormone helps prevent the tip from rotting and encourages quick, strong root development, but lavender roots well without it. Stick the lower end of the cutting about 2 inches into the soil and firm the soil so that the cutting stands up straight. Cover with plastic to form a greenhouse-like environment for the cuttings.[图片]Lavender Cuttings Care Softwood cuttings from lavender root in two to four weeks, and hardwood cuttings take a little longer. Check to see if the stems have roots by giving them a gentle tug. If you feel resistance, the stem has roots holding it in place. Wait several days between tugs as you can damage tender, young roots by tugging on them too often. Remove the plastic bag when the cutting has roots. Set the new plant in a sunny location and water it when the soil is dry an inch or so below the surface. Feed the plant with one-quarter strength liquid plant fertilizer once a week. If you plan to keep the plant in a pot for more than two or three weeks, transplant it into a larger pot with regular potting soil that drains freely. Commercial potting soils have plenty of nutrients to maintain the plants without supplemental feedings. Propagation of lavender from cuttings is easy and more likely to be successful than growing the plants from seeds. With cuttings, you can rest assured that your new plants will be exactly like the parent plants.

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2017年08月24日

Lavender shrubs bear bright, fragrant blossoms and can live for 20 years or more. However, after six or eight years, they can begin to look woody, filled with dead wood and bearing fewer of the sweet-smelling flowers. Don’t give up on these plants. If you want to know what to do with woody lavender, understand that pruning woody lavender plants can often restore them to their former glory. Read on to learn how to trim a lavender with woody stems.[图片]Preventing Woody Lavender Prevention is always easier than cure. If you have young, healthy lavender plants, you can work at preventing woody lavender with appropriate planting and cultural care. The keys to lavender care are good drainage and minimal fertilizer. Plant your lavender in well-drained, rocky soil, on a slope (if possible) to ensure drainage. Fertilize them lightly the very first year after planting. After that, do not fertilize regularly. Prune lavender lightly to maintain the rounded shape.[图片]What to Do with Woody Lavender When you notice that your lavender is woody, it’s time to take action to help it recover. Here’s what to do with woody lavender plants: prune them. Pruning woody lavender plants is the key to rejuvenating them. For restorative pruning, be sure to sterilize the pruners by soaking them in a solution of water and denatured alcohol to prevent disease spread. It’s also important that the tool blades are sharp. Prune these lavender in spring when all frost is finished for the season. A frost can kill off new plant growth.[图片]How to Trim a Lavender with Woody Stems It isn’t hard to learn how to trim a lavender with woody stems. The basic rule of pruning lavender is not to trim into brown, dead wood. You’ll usually find brown branches at the base of the plant. Remove them only when they are truly dead. Never cut them back, hoping to stimulate new growth. The plant cannot produce new growth from the woody parts. When you’re pruning woody lavender plants, it’s also a good idea not to prune all of the plant at the same time. Instead, work slowing, trimming back each branch but never into the brown wood. You can trim branches back by one-third or one-half. Always be sure that there are green leaves on the plant when you are done pruning. The entire restoration may take several years to accomplish, as you never want to do too much pruning at one time. Prune again in autumn just to shape the plant, then weed all around it and offer a handful of slow-release granular fertilizer to help get your lavender growing well before the winter cold snap.

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2017年08月24日

Lavender is a favorite herb of a lot of gardeners, and for good reason. Its soothing color and fragrance can pervade your garden when fresh and your home when dried. Few can resist its charms. Unfortunately, few live in a climate similar to its hot and sandy Mediterranean home. If your winters are too cold or your soil is too dense, or even if you just want that fragrance closer to home, growing lavender in pots is a great idea. Keep reading to learn about potted lavender care and how to grow lavender in containers.[图片]Growing Lavender in Pots Lavender can be grown from seed or from cuttings. The seeds should be placed on top of sandy soil and covered lightly with a layer of perlite. They ought to sprout in two to three weeks. Cuttings should be taken from plants just below a node (where a set of leaves join the stem), dipped in root hormone, and stuck into warm, moist, sandy soil. No matter how you start your container grown lavender plants, it’s important to choose the right container and potting mix. Lavender doesn’t like to be damp, but it does need water. This means good drainage is essential to lavender container care. Pick a container that has plenty of drainage holes. If it only has one or two, drill a few more. If you plan on keeping the pot inside, you’ll need a saucer to catch the water, but avoid pots with saucers attached to the bottom. Choose a sandy, alkaline, well-draining potting mix with slow-release fertilizer pellets.[图片]Potted Lavender Care Lavender container care is all about maintaining the right temperature, sun exposure, and water level. Luckily, none of this is very intensive. Place your container grown lavender plants somewhere they receive full sun (at least 8 hours per day) and water them sparingly. Allow the soil to dry out between waterings, but don’t let it get so dry that the plant wilts. Lavender likes heat, and many varieties won’t survive a cold winter. The beauty of growing lavender in pots is that it can be moved to avoid dangerous conditions. When temperatures start to fall, bring your container grown lavender plants inside to tough the winter out by placing them in a window that receives full sun.[图片]

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2017年08月24日

Whether in the garden or containers, lavender is a fabulous plant to have on hand. You can cook with it, dry it into sachets, or just leave it where it grows to perfume the air. But what do you do when it starts to fail? Keep reading to learn about lavender plant care and how to deal with drooping lavender plants.[图片]Lavender Flowers Drooping Lavender flowers drooping is a very common problem, and if often comes down to water. Knowing how often to water lavender is usually all it takes to get it fighting fit. Lavender is a Mediterranean plant that prefers sandy, low quality soil that drains very quickly. If you’ve planted it in dense soil or are watering it daily, this might be the cause of your lavender flowers drooping. The key to lavender plant care is, in a way, keeping yourself from caring too much and killing it with kindness. If you’ve planted it in well fertilized, rich soil, move it to somewhere less forgiving, like a rocky slope that receives full sun. The lavender will thank you. If you’ve been watering every day, stop it. Young lavender does need considerably more water than usual to get established, but too much will eventually kill it. Always check the soil around the plant before watering – if it’s totally dry, give it a soak. If it’s still wet, leave it alone. Don’t water from above, as extra moisture on the leaves can spread disease.[图片]Fixing Droopy Lavender Plants While lavender flowers drooping might be the sign of an unhappy plant, it’s not always the case. On hot days, lavender will droop to conserve water, even if it’s not thirsty. It’s just a natural strategy to stay hydrated. If you notice your plant drooping but don’t think it’s over watered or in the wrong kind of soil, check on it later when the day is cooler. It may very well have perked up on its own.

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2017年08月24日

Lavender is a fantastic plant to have around – it looks good, it smells amazing, and it can be harvested for use in cooking and making sachets. It’s also extremely easy to care for, as long as you know how to do it. Keep reading to learn more about when and how to fertilize lavender plants.[图片]Fertilizing Lavender Plants Lavender is a tricky plant to grow, though its needs are actually very simple. But time and again gardeners find theirs dying on them. Why is this? More often than not, the plants have actually been cared for to death. Lavender needs very little water to survive, and it’s frequently drowned by well-intentioned gardeners who think they’re doing it a favor. And the very same thing goes for fertilizer.[图片]How and When to Feed Lavender Lavender plants really prefer nutrient poor soil. Fertilizing lavender too heavily may cause it to grow excess foliage and never flower (particular if the fertilizer for lavender is rich in nitrogen) or it may flat out kill it. This isn’t to say that lavender plant feeding is completely out of the question – it’s all just a matter of doing it right. The best (and only) time for fertilizing lavender is in the springtime at the start of the growing season. The easiest and best thing to do is to put down an inch of good compost around the plant. This should provide plenty of nutrients for the year to come.[图片]Alternatively, you can feed your lavender with a small amount of slow release fertilizer. Once you’ve done this, leave it alone. Fertilizing lavender too much can hurt it. Don’t fertilize in the fall, either. This will make the plant produce tender new growth that will only get damaged or killed in the winter. With lavender plant feeding, a little really does go a long way.

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2017年08月24日

The scent is unmistakable but is your lavender really a lavender? You may have a hybrid of lavender called lavandin. Flower spikes, leaves and aroma can’t separate lavandin vs. lavender, but the size of the plants and the amount of camphor in the oil can give a clue as to which is which. Lavandin is most commonly referred to as French lavender and has a featured place in the perfume and cosmetics trade. We’ll go over some lavandin information so you can decide which is best, lavender or lavandin.[图片]Lavandin Information Lavandin is related to the common lavender, Lavandula augustifolia. What is lavandin? French lavender plants are sterile hybrid crosses between English lavender (L. augusifolia) and Portuguese lavender (L. latifolia). The result is Lavandula dentata, or lavandin. There are many uses for lavandin, most in the cosmetics industry, due to the high amount of aromatic oils in the plant. Lavandin only produces flowers once per year, but the plant is filled with blooms and flowers which have a higher camphor content than English lavender. This makes it suited for aromatherapy treatments, cosmetics and cleaning products. Another difference with lavandin vs. lavender is the size of the bush. Lavandin tends to produce larger plants with more flowers at one time. The plants form small shrubs that may grow 16 to 18 inches in height and have spiked flowers in hues of lilac purple to violet blue. The foliage is grayish green and resinous.[图片]Uses for Lavandin The aromatherapy industry has made lavandin their own, with high demand for the extremely scented herb. Some of the major species for production of the oil are Grosso, Provenance, Phenomenal, and Giant Hidcote. While lavender is used for medicinal purposes as well as cosmetic, lavandin is too strong for medical applications. Therefore, it is bred strictly for its aromatic properties and was a large part of the French perfume industry. Lavandin can be used to repel insect pests and may be antiseptic, which makes it an excellent cleaner. The aroma itself is relaxing and helps relieve body aches and stress.[图片]Lavandin Plant Care Lavandin should be planted in a full sun location in well-draining soil. The plants are quite drought tolerant once established but best growth will be achieved by keeping lavandin evenly moist but never soggy. Prune plants when they are young to keep them from getting woody and unproductive over time. Prune stems back one third in early spring. After blooming, lightly shear the spent flower heads. With proper shearing and pruning, the plant can remain a tight mounded form with lively growth. Left alone and unpruned, many lavandin get woody and gradually stop producing flowers and even leaves. Lavandin is useful in either containers or in a bright spot in the garden. Harvest and dry the flowers to extend the scent and bring it into the home interior.

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2017年08月24日

Companion planting is an easy and very effective way to make your garden the best it can be. It draws on a few different principles, like pairing plants that repel insects with those that suffer from them, and matching water and fertilizer needs. Lavender does have some specific requirements that mean it can only be planted in certain parts of the garden, but it’s also very good at protecting other plants from pests. Keep reading to learn more about the best planting companions for lavender.[图片]Lavender Plant Companions Lavender is very particular in its growing requirements. It needs full sun, little water, and little to no fertilizer. It’s usually happiest if left alone. This means that if you place it next to a plant that prefers more attention, one of them is going to suffer. Some good plants to grow with lavender which share similar needs are: Echinacea Aster Sedum Wild indigo Baby’s breath Drought tolerant roses These companions for lavender perform well in full sun and dry, less-than-rich soil. Gazania, another good choice, is a beautiful flowering plant from South Africa that fares especially well in poor, dry soils. Like lavender, it will really suffer if you pay too much attention to it. On top of being good companions for lavender based on their growing habits, these plants all also produce flowers that pair strikingly with its purple blossoms.[图片]Some planting companions for lavender benefit greatly from having it nearby. Lavender is a natural repellant of moths, slugs, and deer. Any plants that suffer from these pests will benefit from having a lavender plant nearby. Fruit trees, in particular, which can be hit very hard by moths, tend to do much better when surrounded by lavender bushes. The same can be said for cabbage and broccoli, which often fall prey to slugs.

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2017年08月24日

When it comes to French vs. English lavender there are some important differences. Not every lavender plant is the same, although they are all great to grow in the garden or as houseplants. Know the differences between these popular types to choose the best one for your conditions and needs.[图片]Are English and French Lavender Different? They are related, but different types of lavender. French lavender is Lavendula dentata and it is not actually that commonly cultivated, although we often think of France when picturing fields of lavender. English lavender is Lavendula angustifolia. This variety is much more commonly cultivated and is typical in gardens and containers. Here are some other important differences: Hardiness. A big difference between French and English lavender is that the latter is much hardier. French lavender is only hardy through about zone 8 and won’t tolerate cold winters. Size. French lavender is large and will grow from about two to three feet (.5 to 1 meter) tall and wide, while English lavender stays much smaller and more compact, although it may grow up to two feet. Bloom time. The flowers on these plants are similar in size, but they last much longer on French lavender. This variety has one of the longest bloom times, starting in spring and continuing to produce flowers throughout the summer. Scent. If you’re looking for the characteristic lavender smell, choose English lavender. It produces the strong scent that permeates the air, while French lavender has a much lighter scent, which while nice, is more reminiscent of rosemary.[图片]Other Types of Lavender French and English are just two of many varieties of this popular plant. You’ll also see Spanish lavender, which like French lavender, has a softer scent and is used more for landscaping than for producing the scented oil. Lavandin is a hybrid cultivar that was developed to produce even more oil than English lavender, so it has a very potent aroma. French and English lavender varieties are both great plants, but they are not the same. Along with the other types of lavender, you have plenty of options to choose the right variety for your home or garden.

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