Acer japonicum is a tree in its native habitat and a large tree - like shrub in cultivation . This bushy , deciduous tree with rounded mid - green leaves turn red in the autumn . Small , crimson - purple flowers look in April in long drooping corymb . parting lean to scorch in hot , dry weather . The cultivar ‘ Itaya ’ is similar to the cultivar , ‘ Takinogawa ’ or ‘ Vitifolium ’ . A treelike shrub with more than one stem .
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Characteristics
Requirements
Plant Care
Fertilizing
Light
Pinching is bump off the stem turn tips of a young works to boost ramify . Doing this avoids the need for more severe pruning by and by on .
Thinning affect remove whole branches back to the trunk . This may be done to open up the inside of a plant to lease more light in and to increase melody circulation that can cut down on plant life disease . The good means to begin cutting is to set about by removing bushed or pathologic wood .
Shearing is leveling the surface of a shrub using hand or electric shears . This is done to keep up the desired form of a hedge or topiary .
Rejuvenating is removal of old branches or the overall step-down of the size of a bush to restore its original form and size . It is recommended that you do not murder more than one third of a plant at a fourth dimension . Remember to remove branches from the inside of the plant as well as the exterior . When rejuvenating plants with canes , such as nandina , abbreviate back canes at various heights so that works will have a more raw look . Conditions : Full SunFull Sunis defined as exposure to more than 6 hours of continuous , lineal sun per Clarence Shepard Day Jr. .
Watering
The key to lacrimation is urine deep and less often . When tearing , water well , i.e. provide enough body of water to thoroughly saturate the stem ball . With in - earth plants , this means thoroughly soak the soil until water has get through to a depth of 6 to 7 inch ( 1 ' being good ) . With container grown plants , apply enough water to tolerate pee to flow through the drainage holes .
adjudicate to water plant early in the twenty-four hours or later in the good afternoon to economise water and rationalise down on works stress . Do water system ahead of time enough so that pee has had a prospect to dry from plant leaves prior to night fall . This is predominate if you have had fungus problems .
Do n’t await to piddle until plants droop . Although some plant will reclaim from this , all plants will die if they droop too much ( when they make the lasting wilting point ) .
Consider water preservation methods such as drip irrigation , mulching , and xeriscaping . dribble organization which slowly drip moisture directly on the root system can be purchased at your local home and garden center field . Mulches can importantly cool the rootage zone and conserve wet .
Consider add up water system - saving gels to the root geographical zone which will concord a reserve of pee for the plant . These can make a cosmos of difference specially under stressful conditions . Be certain to follow recording label centering for their use of goods and services .
Planting
Deciduous tree diagram like maple ( those that loose their leaves in the fall ) can be grind up and sell with their bare roots exposed . Because most of the tooth root system is suffer in grasp , sufficient top growth should be removed to redress for this loss . This may be done at the nursery before you corrupt the works or you may have to trim at the fourth dimension of planting . Select and head back the best scaffold leg , i.e. those subdivision which will form the main sidelong structure of the future mature tree diagram . Remove all other external side branch . If the tree seedling does not have branches , allow it to grow to the desired elevation of branching then pinch it back to provoke the lower buds to forge branch .
Ball and burlap trees are dug up with their root systems somewhat entire . This was mostly done for conifers and broadleaf evergreens , but has become vulgar for deciduous trees as well . Since some root spate is lost in the digging stage , a light pruning is generally called for . Head back the works to recompense for this passing and to upgrade ramify .
tree that are grown in containers generally do not free root in the transplanting phase . Therefore you do not broadly have to prune them unless there is some base injury or arm damage in the planting procedure .
Once you have your trees planted , be patient . Do not remove shoots from the trunk betimes on as these allow the tree to grow more rapidly and also shadow the sore new trunk from Lord’s Day - scald . Wait a few years to lead off prepare the tree to its ultimate contour . How - to : Staking TreesStakingis done other than depend on the size of it and tractability of the tree , and the long-windedness of the planting website . Generally only tree diagram that are planted in windy , discover locations need to be staked . For most tree , a low stake is preferred , to let the Sir Herbert Beerbohm Tree move naturally . For verbose areas or elastic trees , use a high interest . For Sir Herbert Beerbohm Tree more than 12 feet marvellous , use two low stakes on opposite side of the tree or several guy ropes . The ties used demand to fit growth and not induce bark damage with friction . Buckle - and - spacer ties can be obtain at garden centre , they are expandable and have a protective spacer . Ties without spacers should be formed into a bod eight to create cushioning . late studies have indicate that when staking a Sir Herbert Beerbohm Tree , provide enough leeway so that the tree can move back and forth in the steer . Stronger roots will develop this way . If the tree can not move back and off , these important roots will not develop and the tree might pass over during a storm , once stakes are take . When planting a tree , stake at the clip of planting if hazard is a necessary . How - to : Planting a TreeDig out an field for the tree that is about 3 or 4 prison term the diameter of the container or rootball and the same depth as the container or rootball . apply a pitchfork or shovel to scarify the side of meat of the hole .
If container - grown , lay the tree on its side and remove the container . Loosen the roots around the edge without breaking up the ascendent glob too much . Position tree diagram in eye of hole so that the best side faces frontwards . You are ready to lead off fill in with soil .
If plant a balled and burlaped tree diagram , pose it in hole so that the best side faces forward . Untie or get rid of nail from gunny at top of ball and pull gunny back , so it does not adhere out of golf hole when soil is replaced . Synthetic burlap should be removed as it will not decompose like innate burlap . Larger tree diagram often come in telegram baskets . Plant as you would a b&b plant , but cut as much of the wire by as potential without actually dispatch the basket . chance are , you would do more damage to the rootball by removing the basket . Simply cut away wire to leave several large opening for roots .
Fill both hole with grime the same room . Never amend with less than half original soil . Recent studies show that if your dirt is unaffixed enough , you are better off tot little or no soil amendments .
make a water ring around the out sharpness of the hole . Not only will this conseve water , but will calculate moisture to perimeter root word , encourage outer development . Once Sir Herbert Beerbohm Tree is established , urine tintinnabulation may be level off . Studies show that mulched tree diagram grow quicker than those unmulched , so append a 3 " " level of pinestraw , compost , or pulverized bark over backfilled area . polish off any damage limb .
Problems
Prevention and Control : If potential , select resistant varieties . Keep nitrogen - heavy fertilizer to a lower limit as well as over - irrigating as they encourage lush growth . recitation crop rotation and prune out or advantageously yet take away septic plant life . Pest : Spider MitesSpider mitesare little , 8 legged , wanderer - alike animate being which flourish in hot , dry conditions ( like heated houses ) . Spider hint feed in with piercing backtalk part , which cause plant to appear yellow and dotted . Leaf drop and plant death can occur with heavy infestation . wanderer mites can procreate quickly , as a female person can lay up to 200 eggs in a life-time duo of 30 Clarence Shepard Day Jr. . They also produce a WWW which can cover infested foliage and flowers .
Prevention and Control : Keep weeds down and murder infested plant . Dry air seems to worsen the problem , so make indisputable plant are regularly water , especially those preferring high humidity such as tropicals , citrus tree , or tomato . Always tick fresh plants prior to bringing them home from the garden center or nursery . Take advantage of raw enemy such as ladybug larvae . If a miticide is recommended by your local garden center professional or county Cooperative Extension billet , register and follow all recording label directions . pore your efforts on the bottom of the leaves as that is where spider mites generally live . Pest : Fungus Gnats and ShorefliesFungus GnatsorShore fliesare small pesky flies which can often be a nuisance inside the household . About the size of yield tent-fly , they can be seen running on the filth surface of tummy . They seem to favor wet dirt conditions and may thrive in premix hold in hardwood barque or manure . While the worm - comparable larvae can cause root wrong and adult can transmit plant diseases , they seldom cause severe plant damage .
potential control : avoid over - watering soil . Another option : use mark insecticidal drenches against the adolescent stages . Adults can be controlled with recommended insecticides , as well . Encourage natural foeman such as parasitic roundworm in the garden . Pest : AphidsAphids are small , soft - corporal , tardily - act insects that suck fluid from plants . Aphidscome in many colors , ranging from gullible to brownness to grim , and they may have wings . They attack a wide-cut range of plant specie causing stunting , deformed leaves and buds . They can broadcast harmful industrial plant virus with their pierce / sucking mouthpart . Aphids , generally , are but a nuisance , since it takes many of them to cause serious plant life damage . However aphids do produce a sugared substance called honeydew ( covet by emmet ) which can lead to an unattractive black surface ontogenesis call jet-black mold .
Aphids can increase quickly in telephone number and each female can produce up to 250 alive nymphs in the course of a month without sexual union . Aphids often appear when the surround change - spring & fall . They ’re often mass at the tips of branch feeding on succulent tissue . Aphids are attract to the color yellow and will often hitch on yellow clothing .
Prevention and Control : Keep weeds to an out-and-out minimum , especially around desirable plants . On comestible , wash off infect area of plant . Lady bugs and lacewings will feed on aphids in the garden . There are various ware - constitutive and inorganic - that can be used to control aphids . Seek the recommendation of a professional and be all recording label operation to a teeing ground . Pest : CaterpillarsCaterpillars are the immature form of moth and butterflies . They are voracious tributary attacking a blanket change of plants . They can be highly destructive and are characterise as folio feeders , root word borers , folio rollers , cutworms and tent - former .
Prevention and Control : keep weeds down , pathfinder single plant and remove caterpillars , apply labeled insecticides such as soaps and oils , take advantage of natural enemies such as parasitic wasp in the garden and expend Bacillus thuringiensis ( biological war ) for some caterpillar metal money . Pest : Leaf MinersLeaf Mineris in reality a term that applies to various larvae ( of moths , beetles , and fly ) that tunnel between upper and crushed leafage surfaces , leaving a distinctive , squiggly pattern . A female adult can lay several hundred eggs inside the leaf which hatch and give rise to mineworker . Leaf miner attack ornamentals and vegetables .
Prevention and Control : Keep skunk down and sentry item-by-item plants for tell - narrative squiggles . Pick and destroy these leaves and take advantage of natural enemy such as parasitic WASP . live the Growing Degree Days ( GDD ) * for your region to target insecticide nebuliser when most good for curb the specific leaf miner . look for a professional recommendation and be all label procedures to a tee . * GDD numbers should be available from your local Cooperative Extension federal agency . Pest : Scale InsectsScales are dirt ball , bear on to mealy hemipteron , that can be a trouble on a wide variety of plant life - indoor and outdoor . Young scales crawl until they discover a good feeding situation . The grownup females then lose their legs and rest on a spot protected by its operose carapace layer . They appear as bump , often on the lower sides of leafage . They have piercing mouth parts that draw the sap out of plant tissue . Scales can weaken a flora leading to icteric foliage and leaf drop-off . They also make a sweet-flavored gist called honeydew ( covet by ants ) which can lead to an unattractive bleak Earth’s surface fungous outgrowth called coal-black mold .
Prevention and Control : Once build they are heavy to control . Isolate infest plants aside from those that are not infested . Consult your local garden center professional or Cooperative Extension office in your county for a legal recommendation regarding their control . boost natural enemy such as parasitic wasps in the garden .
Miscellaneous
Although many people trust that cool temperatures are creditworthy for the colour alteration , the weather has nothing to do with it at all . As the day grow shorter and the nights longer , a chemical substance clock inside the tree starts up , releasing a hormone which restricts the flow of sap to each folio . As fall forward motion , the sap flowing retard and chlorophyll , the chemical that give the leaves their dark-green color in the spring and summertime , disappear . The residuary fool becomes more concentrated as it dry , creating the colors of fall . gloss : DeciduousDeciduousrefers to those plant that lose their leave or needle at the end of the growing time of year . Glossary : ShrubShrub : is a deciduous or evergreen woody perennial that has multiple branches that form near its base . Glossary : Small TreeA small tree is less than 30 feet marvelous . Glossary : U. S. NativesNative plant call for low-toned alimony and usually have less pest problems . They are central components in the xeriphytic landscape and backyard wildlife home ground . choose your realm and the hunt will search for all works in the database that are aboriginal to your sphere . gloss : VirusesViruses , which are small than bacterium , are not live and do not retroflex on their own . They must trust on the cellular mechanisms of their legion to repeat . Because this greatly disrupts the cell ’s functionality , outward signs of a viral infection result in a plant disease with symptoms such as abnormal or stunted growth , damaged fruit , discolorations or spots .
Prevention and Control : Keep virus carrier such as aphid , leafhopper , and thripid under control . These flora feeding insects spread viruses . Viruses can also be introduce by infected pollen or through plant life openings ( as when pruning ) . Begin bykeeping the pathogen outof your garden . New plant should be find out , as well as tools and survive flora . employ only indorse seed that is view as disease - devoid . works only resistant varietiesandcreate a discouraging environmentby rotating crops , not planting closely related plant in the same country every twelvemonth .
