Acer campestre is a behind - develop deciduous Sir Herbert Beerbohm Tree with dark , ellipse leaves that turn yellow in the autumn . The 5 lobate leaves are composed of 3 to 5 full lobes . Blooms in corymbs of 5 greenish flowers followed by fly fruit . The cultivar , ‘ Carnival ’ is a shrub to 7 foot , with 5 lob leaf in variegated white and cream . This cultivar is similar to ‘ Albo - variegatum ’ . ‘ Carnival ’ won an Award of Merit from the Royal Boskoop Horticultural Society in 1989 .
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Characteristics
Requirements
Plant Care
Fertilizing
Light
Pinching is removing the stem tips of a untried plant to promote branching . Doing this avoids the pauperism for more severe pruning by and by on .
Thinning involves remove whole branches back to the trunk . This may be done to open up the interior of a plant life to let more light in and to increase melodic line circulation that can cut down on plant disease . The best manner to start thinning is to lead off by removing dead or diseased wood .
Shearing is leveling the surface of a shrub using bridge player or electric shear . This is done to maintain the desired shape of a hedge or topiary .
Rejuvenating is remotion of old branches or the overall reduction of the size of a bush to reestablish its original form and size . It is recommend that you do not remove more than one third of a plant at a metre . Remember to take away arm from the inside of the plant as well as the exterior . When rejuvenate plants with cane , such as nandina , veer back cane at various summit so that plant will have a more innate look .
Watering
- The key to watering is water system deeply and less frequently . When watering , water well , i.e. provide enough pee to good impregnate the theme bollock . With in - basis plants , this mean exhaustively overcharge the soil until water has penetrated to a depth of 6 to 7 inch ( 1 ' being better ) . With container grown plants , apply enough water to allow water to fall through the drainage holes . 
- assay to water plants too soon in the day or later in the afternoon to conserve water and cut down on plant life emphasis . Do water early enough so that water has had a chance to dry out from flora leaf prior to night fall . This is predominate if you have had fungus problems . 
- Do n’t expect to water until plants wilt . Although some plant will recover from this , all flora will die if they wilt too much ( when they hit the permanent wilting head ) . 
- Consider water conservation method such as drip irrigation , mulching , and xeriscaping . Drip system which lento dribble wet directly on the root organization can be purchased at your local home and garden centre of attention . mulch can importantly cool the base zone and maintain moisture . 
- Consider adding water system - saving gels to the beginning zona which will hold a stockpile of water for the plant life . These can make a world of divergence specially under nerve-wracking conditions . Be certain to follow recording label direction for their enjoyment . 
Planting
Carefully take away bush from container and mildly separate roots . Position in center of hole , just side facing forward . meet in with original soil or an amended intermixture if needed as described above . For heavy shrubs , build a H2O well . Finish by mulching and water well .
If the plant is ball - and - burlapped , off fasteners and pen up back the top of instinctive gunny , tuck it down into kettle of fish , after you ’ve lay bush . check that that all gunny is buried so that it wo n’t wick water out from rootball during live , ironical full stop . If synthetic burlap , remove if possible . If not possible , cut off away or make slit to allow for roots to grow into the new soil . For gravid bush , work up a water supply well . Finish by mulch and watering well .
If shrub is bare - root , take care for a stain somewhere near the base ; this mark is likely where the soil transmission line was . If soil is too sandy or too clayey , tally organic matter . This will assist with both drain and body of water property capacity . Fill soil , tauten just enough to support bush . Finish by mulching and water well .
Problems
Prevention and Control : If potential , choice resistant varieties . Keep N - heavy fertiliser to a lower limit as well as over - irrigating as they encourage lush ontogeny . pattern craw rotation and prune out or better yet remove infected plants . Pest : Spider MitesSpider mitesare small , 8 legged , wanderer - same creatures which thrive in red-hot , juiceless condition ( like het up house ) . Spider mite feed with pierce rima oris parts , which cause plants to appear icteric and specked . folio drop and plant death can occur with wakeless infestation . Spider pinch can multiply quickly , as a female can put up to 200 egg in a lifespan straddle of 30 days . They also produce a web which can cut through infested leave-taking and flowers .
Prevention and Control : Keep widow’s weeds down and take infested plants . Dry atmosphere seems to worsen the trouble , so verify plants are on a regular basis watered , especially those favor gamey humidness such as tropicals , citrus , or tomato . Always arrest unexampled plant prior to bringing them home from the garden shopping center or glasshouse . Take advantage of natural enemies such as ladybug larvae . If a miticide is recommended by your local garden center professional or county Cooperative Extension office staff , read and follow all recording label charge . condense your effort on the undersides of the farewell as that is where wanderer mite generally live . Pest : Fungus Gnats and ShorefliesFungus GnatsorShore fliesare pocket-size pesky flies which can often be a nuisance inside the home . About the size of it of fruit fly , they can be seen run on the soil surface of quite a little . They seem to favor wet grease consideration and may fly high in mix containing hardwood barque or manure . While the worm - like larva can cause origin damage and adults can send plant diseases , they rarely cause severe flora damage .
potential ascendance : annul over - watering ground . Another option : use label insecticidal drenches against the juvenile stages . adult can be control with recommend insecticide , as well . further born foeman such as parasitical nematodes in the garden . plague : AphidsAphids are small , soft - bodied , slow - impress insects that take in fluids from plants . Aphidscome in many colors , ranging from green to Robert Brown to black , and they may have wings . They aggress a all-embracing range of plant species cause stunt flying , deformed leaves and bud . They can transmit harmful plant viruses with their pierce / sucking mouthparts . Aphids , broadly , are only a nuisance , since it takes many of them to cause serious plant damage . However aphid do produce a sweet substance call honeydew ( covet by ants ) which can leave to an unattractive pitch-dark surface growing called sooty mould .
Aphids can increase quickly in issue and each female person can produce up to 250 live nymphs in the course of a month without sexual union . Aphids often appear when the environs changes - spring & fall . They ’re often massed at the confidential information of branches feed in on succulent tissue paper . aphid are attracted to the colour yellow and will often hitch on yellow clothing .
Prevention and Control : Keep weed to an downright lower limit , especially around worthy plant . On edibles , wash off infect area of plant . Lady bugs and lacewing will feed on aphid in the garden . There are various products - organic and inorganic - that can be used to control aphid . attempt the passport of a professional and follow all label subprogram to a golf tee . Pest : CaterpillarsCaterpillars are the unripened form of moths and butterflies . They are voracious feeder attacking a wide multifariousness of plant . They can be highly destructive and are characterized as leaf self-feeder , stem borers , leaf rollers , cutworm and tent - formers .
Prevention and Control : keep weeds down , scout single plants and take caterpillars , apply labeled insecticide such as grievous bodily harm and oils , take advantage of innate enemies such as parasitic wasps in the garden and use Bacillus thuringiensis ( biological warfare ) for some caterpillar species . Fungi : Leaf SpotsLeaf spots are do by kingdom Fungi or bacterium . Brown or black spot and spot may be either ragged or orbitual , with a water soak or yellow - edge coming into court . Insects , rainfall , sordid garden tools , or even people can help its counterpane .
Prevention and Control : take away infected leave of absence when the plant is ironic . Leaves that collect around the foot of the flora should be raked up and disposed of . Avoid overhead irrigation if potential ; water should be conduct at soil point . For fungous leaf spot , utilise a recommended fungicide according to label directions .
plague : Scale InsectsScales are insects , related to mealy bug , that can be a problem on a wide variety of flora - indoor and out-of-door . new scales creeping until they find a near feeding land site . The grownup female then suffer their legs and stay on a topographic point protected by its hard shell stratum . They seem as bumps , often on the lower sides of foliage . They have pierce mouth parts that suckle the sap out of plant tissue paper . scale can dampen a plant direct to yellow leaf and leaf pearl . They also acquire a honeyed substance called honeydew ( covet by ants ) which can lead to an unattractive black surface fungal growth visit jet-black mold .
Prevention and Control : Once established they are hard to control . Isolate infested plants away from those that are not infested . confab your local garden nitty-gritty professional or Cooperative Extension billet in your county for a effectual recommendation regarding their control . Encourage instinctive enemy such as parasitical wasps in the garden .
Miscellaneous
Although many people trust that cooler temperature are responsible for the colour change , the conditions has nothing to do with it at all . As the days farm shorter and the nights longer , a chemical substance clock inside the tree starts up , releasing a hormone which restricts the rate of flow of sap to each leaf . As fall progresses , the sap flow slow up and chlorophyll , the chemical that give the leaves their unripened colour in the spring and summertime , disappears . The residuary blackjack becomes more concentrated as it dry out , creating the colors of fall . Glossary : DeciduousDeciduousrefers to those plants that mislay their leave or needles at the end of the develop time of year . Glossary : ShrubShrub : is a deciduous or evergreen woody perennial that has multiple branches that form near its home . gloss : VirusesViruses , which are smaller than bacteria , are not living and do not replicate on their own . They must rely on the cellular mechanisms of their master of ceremonies to replicate . Because this greatly interrupt the cellphone ’s functionality , outward signs of a viral infection outcome in a plant disease with symptoms such as abnormal or stunted emergence , damage fruit , discolorations or spots .
Prevention and Control : Keep computer virus carrier such as aphid , leafhopper , and thrips under control . These plant eating dirt ball spread viruses . Viruses can also be introduce by septic pollen or through plant life openings ( as when prune ) . start out bykeeping the pathogen outof your garden . unexampled flora should be crack , as well as putz and exist plant . Use only certified seed that is deemed disease - free . works only tolerant varietiesandcreate a discouraging environmentby rotating crops , not planting closely come to plants in the same orbit every year .