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Dummer. ゛☀
2017年08月30日
Dummer. ゛☀
Chinese perfume tree (Aglaia odorata) is a small evergreen tree in the mahogany family. It is an ornamental plant in American gardens, typically growing to 10 feet or under and producing intensely fragrant sprays of unusual yellow flowers. If you want to start growing Chinese perfume trees, read on for information on these lovely plants and for tips on Chinese perfume tree care.
Chinese Perfume Tree Facts Chinese perfume trees, also called Aglaia odorata plants, are native to low regions of China. They also grow in Taiwan, Indonesia, Cambodia, Laos, Thailand and Vietnam. The plant’s genus name comes from Greek mythology. Aglaia was the name of one of the three Graces. In the wild, Aglaia ordorata plants can grow to 20 feet high. They grow in thickets or sparse forests. In the United States, they grow only in cultivation and are often planted for their fragrant blossoms.
You’ll find some interesting Chinese perfume tree facts when you read about those blossoms. The tiny yellow flowers—each about the size and shape of a grain of rice—grow in panicles about 2 to 4 inches long. They are shaped like tiny balls but do not open when the flowers bloom. The scent exuded by Chinese perfume tree flowers is sweet and lemony. It is stronger during the day than at night.
Growing Chinese Perfume Trees If you are growing Chinese perfume trees, you need to know that an individual tree will bear either male or female flowers. Both types of flowers are fragrant, but only a pollinated female flower produces the fruit, a small berry with one seed inside. Chinese perfume tree care begins with planting the tree in an appropriate location. The trees are only hardy in U.S. Department of Agriculture plant hardiness zones 10 through 11. In cooler regions, you can grow Aglaia odorata plants in containers and move them indoors when temperatures drop. The trees will need well-draining soil and a location with full or partial sun. Plant them in a location with some shade if your region is hot in the summer.
Container plants brought inside should be located next to sunny windows. They’ll need moderate but regular irrigation. The soil must dry out between watering times.
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Dummer. ゛☀
2017年08月30日
Dummer. ゛☀
Native to Pakistan, India, Southeast Asia and Australia, chinaberry tree information tells us it was introduced as an ornamental specimen to the United Sates in 1930 and for a period of time became the darling of landscapers in the southern United States. Today, the chinaberry tree is considered something of a pest due to its reseeding propensity and easy naturalization.
What is Chinaberry? Chinaberry is a member of the Mahogany family (Meliaceae) and is also known as “China Tree” and “Pride of India.” So, what is chinaberry tree? Growing chinaberry trees (Melia azedarach) have a dense spreading habitat attaining heights of between 30 to 50 feet tall and hardy in USDA zones 7-11. Growing chinaberry trees are prized as shade trees in their native habitat and bear pale purple tube-like blooms with a heavenly scent much like southern magnolia trees. They are found in fields, prairies, along roadsides and at the edge of wooded areas. The resulting fruit, marble sized drupes, are light yellow gradually becoming wrinkled and white over the course of the winter months. These berries are toxic to humans when eaten in quantity but the juicy pulp is enjoyed by many bird varieties, often resulting in rather “drunken” behavior.
Additional Chinaberry Tree Information The leaves of the growing chinaberry tree are large, about 1 ½ feet long, lance shaped, slightly serrated and dark green atop and paler green below. These leaves smell nowhere near as enchanting as the flower; in fact, when crushed they have a particularly obnoxious odor. Chinaberry trees are resilient specimens and can be quite messy from the dropping berries and leaves. They spread easily, if allowed, and, as such, are classified as an invasive tree in the southeastern United States. This prolific mahogany member grows rapidly but has a short life span.
Chinaberry Uses As mentioned above, the chinaberry is a valuable shade tree in its endemic regions due to its large, spreading canopy. Chinaberry uses in the southeastern regions of the United States have been used for just this attribute and were commonly added to the home landscape prior to the 1980’s. The most commonly planted variety is the Texas umbrella tree with a slightly longer life span than other chinaberries and a lovely, distinct rounded shape. Chinaberry fruit can be dried, dyed and then strung into necklaces and bracelets as beads. At one time, the seeds of the drupes were used as a narcotic; refer to the toxicity of the fruit and the tipsy, gorging birds. Today, the chinaberry is still sold in nurseries but is less likely to be utilized in landscapes. Not only is it a threat to the natural ecosystem by its encroaching habit, but its messy and, more importantly, shallow root systems tend to clog drains and damage septic systems. Growing chinaberry trees also have weak limbs too, which break easily during severe weather, creating yet another mess.
Chinaberry Plant Care If, after reading all the above information, you decide you just must have a specimen of the chinaberry in your garden, purchase a disease free certified plant at the nursery. Chinaberry plant care is not complex once the tree is established. Plant the tree in full sun in most any soil type within the USDA zones 7-11. The tree should be watered regularly, although it will tolerate some drought and needs no irrigation through the winter months.
Prune your chinaberry tree to remove root and shoot suckers and maintain the umbrella-like canopy.
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Dummer. ゛☀
2017年08月30日
Dummer. ゛☀
What is chinaberry bead tree? Commonly known by a variety of names such as chinaball tree, China tree or bead tree, chinaberry (Melia azederach) is a deciduous shade tree that grows in a variety of difficult situations. Like most non-native plants, it is highly resistant to pests and disease. This tree may be considered friend or foe, depending on location and growing conditions. Read on for more information about this tough, sometimes problematic, tree.
Chinaberry Bead Tree Information Native to Asia, chinaberry was introduced to North America as an ornamental tree in the late 1700s. Since that time, it has naturalized across much of the South (in the U.S.). An attractive tree with brownish-red bark and a rounded canopy of lacy foliage, chinaberry reaches heights of 30 to 40 feet (9-12 m.) at maturity. Loose clusters of small purple blooms appear in spring. Hanging bunches of wrinkly, yellow-brown fruit ripens in autumn and provide feed for birds throughout the winter months.
Is Chinaberry Invasive? Chinaberry grows in USDA plant hardiness zones 7 through 10. Although it is attractive in the landscape and is frequently welcome in urban settings, it can form thickets and become weedy in disturbed areas, including natural areas, forest margins, riparian areas and roadsides. Home gardeners should think twice before growing a bead tree. If the tree spreads via root sprouts or bird-dispersed seeds, it can threaten biodiversity by outcompeting native vegetation. Because it is non-native, there are no natural controls by diseases or pests. The cost of chinaberry control on public lands is astronomical. If growing a chinaberry tree still sounds like a good idea, check with your local university cooperative extension agent first, as Chinaberry may be banned in certain areas and is generally not available in nurseries.
Chinaberry Control According to cooperative extension offices in Texas and Florida, the most effective chemical control is herbicides containing triclopyr, applied to bark or stumps within five minutes after cutting the tree. Applications are most effective in summer and fall. Multiple applications are usually required. Pulling seedlings isn’t usually effective and may be a waste of time unless you can pull or dig every little root fragment. Otherwise, the tree will regrow. Also, hand pick the berries to prevent disbursal by birds. Dispose of them carefully in plastic bags.
Additional Bead Tree Information A note about toxicity: Chinaberry fruit is toxic to humans and pets when eaten in large quantities and may cause stomach irritation with nausea, vomiting and diarrhea, as well as irregular breathing, paralysis and respiratory distress. The leaves are also toxic.
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Dummer. ゛☀
2017年08月30日
Dummer. ゛☀
What is a cherry plum tree is not as simple a question as it sounds. Depending on whom you ask, you may get two very different answers. “Cherry plum” can refer to Prunus cerasifera, a group of Asian plum trees that are commonly called cherry plum trees. It could also refer to the hybrid fruits which are literally a cross between plums and cherries. How to grow cherry plum trees also depends on which one you have. This article will explain the differences of trees commonly called cherry plums.
Cherry Plum Information Prunus cerasifera is a true plum tree native to Asia and hardy in zones 4-8. They are mostly grown in the landscape as small ornamental trees, though with the correct pollinator nearby, they will produce some fruit. The fruit they produce are plums and have no attributes of a cherry, but still they became known commonly as cherry plum trees. Popular varieties of Prunus cerasifera are: ‘Newport’ ‘Atropurpurea’ ‘Thundercloud’ ‘Mt. St. Helens’ While these plum trees make beautiful ornamental trees, they are a favorite of Japanese beetles and can be short lived. They are also not drought tolerant, but cannot tolerate areas that are too wet either. Your cherry plum tree care should take these factors into account.
What is a Cherry Plum Tree Hybrid? In recent years, another tree known as cherry plum has flooded the market. These newer varieties are hybrid crosses of fruit bearing plum and cherry trees. The resulting fruit is larger than a cherry but smaller than a plum, approximately 1 ¼ inch in diameter. These two fruit trees were first cross-bred to create cherry plum fruit trees in the late 1800s. The parent plants were Prunus besseyi (Sandcherry) and Prunus salicina (Japanese plum). The fruit from these first hybrids was alright for canning jellies and jams but lacked the sweetness to be considered dessert quality fruit.
Recent efforts of major fruit tree breeders have produced many highly sought after varieties of delicious cherry plum bearing fruit trees and shrubs. Many of these new varieties have sprung from the crossing of Black Amber Asian plums and Supreme cherries. Plant breeders have given these new varieties of fruit cute names, such as Cherums, Plerries or Chums. The fruits have dark red skin, yellow flesh and small pits. Most are hardy in zones 5-9, with a couple varieties hardy down to zone 3. Popular varieties are: ‘Pixie Sweet’ ‘Gold Nugget’ ‘Sprite’ ‘Delight’ ‘Sweet Treat’ ‘Sugar Twist’
Their shrub-like/dwarf fruit tree stature makes harvesting and growing a cherry plum plant easy. Cherry plum care is just like care for any cherry or plum tree. They prefer sandy soils and should be watered in times of drought. Many varieties of cherry plum require a nearby cherry or plum for pollination in order to bear fruit.
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Dummer. ゛☀
2017年08月30日
Dummer. ゛☀
Fragrant champaca trees make romantic additions to your garden. These broad-leaf evergreens, bear the scientific name of Magnolia champaca, but were formerly called Michelia champaca. They offer generous crops of large, showy golden flowers. For more fragrant champaca information including tips about caring for champaca trees, read on.
Fragrant Champaca Information For gardeners unfamiliar with this small garden beauty, the tree is in the magnolia family and native to Southeast Asia. Fragrant champaca trees don’t get larger than 30 feet (9 m.) tall and wide. They have a slender, light gray trunk and a rounded crown and are often trimmed into a lollypop shape. If you are growing champaca magnolias, you’ll love the yellow/orange flowers. They appear in summer and last through early autumn. The fragrance from the tree’s blossoms is intense and perfumes your entire garden and backyard. In fact, the flower smell is so lovely that it is used to make the most expensive perfume in the world. The tree’s leaves grow to 10 inches (25 cm.) long and stay on the tree all year. They are green, slender and shiny. The seed groups form in summer, then drop in winter. The fruits also form in summer and drop in winter.
Growing Champaca Magnolias If you are interested in growing fragrant champaca trees, you’ll want information on their cultural requirements. First, be sure you live in a warm region. Champaca plant care starts with siting the tree in U.S. Department of Agriculture plant hardiness zones 10 through 11. If you are buying a container plant, here’s what you need to know about caring for champaca trees. They will thrive in almost any soil and, while they prefer a location with morning sun, they tolerate shade. Caring for champaca trees involves lots of water, initially. You’ll have to irrigate your plants regularly and generously until they are established. At that point, you can water them less.
Propagating a Champaca Tree If you are wondering how to grow fragrant champaca from seed, it is possible. If there are fragrant champaca trees on your street or a nearby park, it is even easier. Start growing champaca magnolias from seed by harvesting the fruit. Wait until the fruit ripens in fall, then remove some from the tree. Put them in a dry place until they split open, revealing the seeds inside. Lightly sand down parts of the seeds with sandpaper and nick them with a knife. Then soak them in hot water for 24 hours until they double in size. It will also make champaca plant care easier if you treat the seeds before planting with a fungicide.
Plant the seeds, just barely covered, in acidic potting soil and spray to keep the soil constantly moist. Keep them covered with plastic wrap to increase humidity. Keep them very warm (85 degrees F. or 29 degrees C.) until they germinate.
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Dummer. ゛☀
2017年08月30日
Dummer. ゛☀
Attractive and normally trouble free, cedar trees can be great additions to the landscape. To learn more about cedar tree care or how to grow cedar trees, you may find the following information helpful.
Facts About Cedar Trees There are many types of cedar trees. All cedars are large coniferous evergreen trees. Because of their size, these trees are not often found in gardens and are usually seen lining streets or in parks. However, they make an excellent windbreak and are suitable on large pieces of property to add a living hedge or winter interest. They grow fast and can be found in a wide range of climate zones.
How to Grow Cedar Trees Cedar trees are not hard to grow and will give elegance to any space where they have room to spread. The trees start easily from seed but require a 48-hour soaking period and another month in the refrigerator, along with some potting soil in a zip lock bag. The soil must be kept moist during this time. After a month, seeds can be placed in a paper cups with compost and potting soil mixture. Cups should be placed in a sunny window, and the potting soil should be kept moist. Plant the seedlings outside when they are 6 inches tall. Select a sunny location carefully and do not plant trees any closer than five feet apart. Dig a hole that is three times the size of the cup and use high quality compost and native soil mixture to fill the hole. Place a 2-foot stake next to the tree and gently attach the seedling to the stake with garden twine.
How to Care for a Cedar Tree Keep a 2-inch layer of mulch around the tree, but not touching the trunk, to prevent moisture loss and protect the tree. It may be necessary to use a wire cage to prevent injury from mechanical devices as well. Protect young trees with a covering of landscape fabric if you live in a very cold climate. Water small trees regularly and allow them to dry out completely between each watering. Fertilizer is generally not necessary unless the soil is very unhealthy. Once the tree is mature, cedar tree care involves little more than regular mulching and removal of dead or diseased branches.
Cedar Tree Problems While there are not too many cedar tree problems to deal with, several pesky insects are attracted to cedar trees including the cypress tip moth, root weevil, mites and juniper scale. Infested trees generally exhibit symptoms including brown or yellow foliage, reduction of plant sap, white cocoons or black, sooty mold. Horticultural oil or insecticide may be needed if infestation is extreme. Cedar trees are also yummy to dogs and rodents who enjoy munching on the bark. This can cause extensive damage if left unattended. Proper diagnosis and treatment is essential to prevent tree loss.
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Dummer. ゛☀
2017年08月30日
Dummer. ゛☀
Deodar cedar trees (Cedrus deodara) are not native to this country but they offer many of the advantages of native trees. Drought tolerant, fast-growing and relatively pest free, these conifers are graceful and attractive specimens for the lawn or backyard. If you are thinking of growing deodar cedar trees, you will find these evergreens perfect for specimens or soft hedges. Read on for more details about deodar cedar care.
Deodar Cedar Info This airy evergreen cedar tree rises to 50 feet or more when cultivated, and much taller in the wild. It is native to Afghanistan, Pakistan and India, and thrives in the coastal regions of the United States. Deodar cedar trees grow into a loose pyramid shape, with 2-inch long whorled needles that give the tree a soft allure. The branches extend almost horizontally, angling slightly down, and the tips rise slightly. Needles of the deodar cedar are a slivery-green, making it a very attractive and popular ornamental. The trees are either male or female. Males grow the pollen-filled catkins, while females produce the egg-shaped cones.
Growing Deodar Cedar If you are growing deodar cedar, you’ll want to find out how to care for a deodar cedar tree. First, you need to live in U.S. Department of Agriculture plant hardiness zones 7 through 9 and have plenty of space. These trees are most beautiful when they keep their lower branches, so it is best to plant them somewhere they will not be disturbed. Deodar cedar info will help you plant these trees in an appropriate site for their growing requirements. Find a sunny site with slightly acidic, well-drained soil. The tree also grows in partial shade and accepts sandy, loamy or clay soils. It even tolerates alkaline soil.
How to Care for a Deodar Cedar Tree Deodar cedar care for a properly planted tree will not take much of your time and energy. Deodar cedar trees are very drought resistant, so if your area gets occasional rainfall, you may not need to irrigate. Otherwise, provide moderate amounts of water in dry weather. These trees live for a long time with few, if any, pest issues. They require no pruning, other than removing broken or dead branches, and provide maintenance free shade and beauty in your garden.
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Dummer. ゛☀
2017年08月30日
Dummer. ゛☀
Are you seeing dead needles appear on the outer edges of your cedars? This could be symptomatic of winter damage to cedars. Winter cold and ice can result in winter damage to trees and shrubs, including Blue Atlas cedar, deodar cedar and Lebanon cedar. But you may not see the evidence of freeze damage until after temperatures warm and growth starts up again. Read on for information about cedar trees and winter damage.
Cedar Trees and Winter Damage Cedars are evergreen conifers with needle-like leaves that stay on the tree all winter long. The trees go through “hardening off” in the autumn to prepare them for winter’s worst. The trees close down growth and slow transpiration and consumption of nutrients. You need to think about cedar trees and winter damage after you experience a few warm days in winter. Winter damage to cedars occurs when cedars are warmed all day by winter sun. Cedar trees damaged in winter are those that receive enough sunshine to make the needle cells thaw.
Cedar Trees Damaged in Winter Winter damage to trees and shrubs happens the same day the foliage thaws. The temperature drops at night and the needle cells freeze again. They burst as they refreeze and, in time, die off. This results in the winter damage to cedars you see in spring, like dead foliage. Read on for information about the steps you should take to begin repairing winter damage on cedar.
Repairing Winter Damage on Cedar Trees You won’t be able to tell right away if the weather has caused winter damage to trees and shrubs, since all cedars lose some needles in fall. Don’t take any action to start repairing winter damage on cedar trees until you can inspect the new spring growth. Instead of pruning in spring, fertilize the trees with landscape tree food, then apply liquid feeder to the foliage daily during April and May. At some point in June, evaluate any winter damage that may be present. You can do this by scratching the stems of the cedars to see if the tissue beneath is green. Prune back any branches where the tissue is brown. Cut back each branch to healthy stems with green tissue.
Once you have removed winter damage in trees and shrubs, prune the cedars to shape them. Cedars usually grow in an uneven pyramid shape and, as you cut, you should follow that shape. Leave the low branches long, then shorten the branch length as you move toward the top of the tree.
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Dummer. ゛☀
2017年08月30日
Dummer. ゛☀
True cedars are forest giants, growing up to 200 feet tall. You might think that a tree of that size could tolerate any type of pruning, but nothing could be farther from the truth. Some experts recommend against ever pruning cedar trees. However, if cutting back cedar trees is in the cards, proceed very carefully. If you prune too deeply into the branches of the cedars, you’re likely to kill them. Read on for information about how and when to trim cedar trees.
The Problem with Cutting Back Cedar Trees The problem with trimming a cedar tree is that every cedar has a dead zone in the center of the canopy. The new green growth is dense. It blocks the sunlight from the older growth beneath and without light, it dies. The outer green growth does not extend very deep into the tree. If you are pruning cedar trees and you cut branches back into the dead zone, they will not regrow.
When to Trim Cedar Trees The general rule is that you shouldn’t prune true cedars very often. While some trees need pruning to establish a strong, balanced or graceful shape, the three types of true cedars that thrive in the United States – Lebanon, Deodar and Atlas cedar – do not. All three grow naturally into loose pyramid shapes. However, there are a few circumstances when it is a good idea trim cedar trees. One such circumstance is when a cedar develops two leaders. Cedars are stronger and more beautiful if they have only one central leader.
If your young cedar tree grows competing leaders, you’ll want to remove the weaker one. When trimming a cedar tree in this fashion, do so in early spring. Remove the weak leader at the point where it connects to the main stem. Sterilize the cutting tool before using it to prevent the spread of pathogens. Another time to start cutting back cedar trees is when you see damaged or dead branches. Prune out dead wood with sterilized clippers. If the cut should fall in the dead zone at the center of the cedar, cut it at the trunk instead.
How to Prune an Overgrown Cedar Tree It happens. You thought your cedar would have enough room but it has filled up all the available space. That’s when you want to know how to prune an overgrown cedar tree. If your backyard cedars are pushing their allotted bounds, pruning cedar trees to contain their size must be done with caution. Here’s how to prune an overgrown cedar tree. Proceed branch by branch. Snip off the green branch tips on the first branch, making each cut above a lateral bud. Then proceed to the next branch and do the same.
The key is not to go pruning cedar trees into the dead zone. Check before each snip to be sure that there will be green branches on the tip of the branch.
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Dummer. ゛☀
2017年08月30日
Dummer. ゛☀
The Atlas cedar (Cedrus atlantica) is a true cedar that takes its name from the Atlas Mountains of Northern Africa, its native range. Blue Atlas (Cedrus atlantica ‘Glauca’) is among the most popular cedar cultivars in this country, with its beautiful powdery blue needles. The weeping version, ‘Glauca Pendula,’ can be trained to grow like a vast umbrella of tree limbs. Read on for more information about Blue Atlas cedar trees and care.
Blue Atlas Cedar Care The Blue Atlas cedar is a stately and majestic evergreen with a strong, vertical trunk and open, almost horizontal limbs. With its stiff, blue-green needles, it makes an exceptional specimen tree for big backyards. Blue Atlas cedar care starts with selecting an appropriate planting location. If you decide to plant a Blue Atlas cedar, give it plenty of room to spread out. The trees don’t thrive in restricted space. They are also most attractive if they have sufficient room for their branches to fully extend and if you don’t remove their lower branches. Plant these cedars in the sun or in partial shade. They thrive in U.S. Department of Agriculture plant hardiness zones 6 through 8. In California or Florida, they can also be planted in zone 9. The trees grow fast at first and then slower as they age. Select a growing site sufficiently large for the tree to get to 60 feet tall and 40 feet wide.
Caring for Weeping Blue Atlas Cedars Nurseries create weeping Blue Atlas cedar trees by grafting the ‘Glauca Pendula’ cultivar onto the Cedrus atlantica species rootstock. While weeping Blue Atlas cedars have the same powdery blue-green needles as upright Blue Atlas, the branches on the weeping cultivars droop unless you tie them up on stakes. Planting a weeping Blue Atlas cedar, with its drooping, twisted branches, gives you an unusual and spectacular specimen tree. This cultivar is likely to grow about 10 feet high and twice as wide, depending on how you decide to train it.
Consider planting weeping Blue Atlas cedars in a rock garden. Rather than staking the branches to create a shape, you can allow them to mound and spread. If you take care when planting, caring for a weeping Blue Atlas cedar should not be too difficult. The trees only require abundant irrigation the first year, and are drought tolerant when mature. Think through how you want to train the tree before you plant it. You’ll have to stake and train weeping Blue Atlas cedar trees from the time you plant them to create the form you have selected.
For best results, try planting in full sun in well-draining, loamy soil. Feed weeping blue Atlas cedars in early spring with a balanced fertilizer.
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