Spiraea japonica Nana is a midget , mound deciduous bush . Sharply toothed foliage are deep green on top , grayish - green below , fishgig - shape , to 1/2 in long , dour into tumble , and almost evergreen in warm climates of the south . In summer , showy , deep pinkish flowers are borne prolifically in just , polish corymbs to 1 column inch in diamter . Spiraea can be nipped by late frost , prune after flowering . Fast growing , good for fill a blank in a shrub moulding . Prefers full sun and well drained soil . Native to China and Japan .
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Characteristics
Requirements
Plant Care
Fertilizing
Light
Pinching is murder the stem turn tips of a young plant to advance ramify . Doing this avoids the need for more severe pruning later on on .
Thinning imply take away whole branch back to the trunk . This may be done to give up the interior of a plant to let more light in and to increase air circulation that can ignore down on plant disease . The best way to start cutting is to start by polish off dead or morbid wood .
Shearing is even the surface of a bush using bridge player or electric shears . This is done to keep the desired shape of a hedge or topiary .
rejuvenate is remotion of old subdivision or the overall reduction of the size of a shrub to restore its original form and size . It is recommended that you do not remove more than one third of a plant at a time . think to remove branches from the inside of the plant as well as the outside . When rejuvenating flora with canes , such as nandina , cut back canes at various stature so that flora will have a more rude look . Conditions : Light and Plant SelectionFor good works performance , it is desirable to pit the correct plant life with the available abstemious term . correct plant , right place ! Plants which do not take in sufficient brightness may become pale in color , have few leaves and a " leggy " stretched - out appearance . Also expect plants to develop slower and have fewer blooms when light is less than worthy . It is possible to provide supplementary lighting for indoor plant with lamps . Plants can also receive too much light . If a shade have sex plant is endanger to direct Lord’s Day , it may wilt and/or stimulate leaf to be burn or otherwise damage . Conditions : Full SunFull Sunis defined as picture to more than 6 time of day of continuous , lineal Lord’s Day per twenty-four hours .
Watering
If the job is only on the surface , it perhaps diverted to a drain ditch . If drainage is pathetic where water board is gamey , instal an underground drainage system . You should adjoin a contractor for this . If secret drains already exist , check off to see if they are blocked .
Gallic drains are another pick . French drains are ditches that have been fulfil with gravel . It is all right to plant sod on top of them . More obtrusive , but a good solvent where looks are n’t as important , recollect of the Gallic drain as a ditch filled with crushed rock . Ditches should be 3 to 4 foot mystifying and have slop sides .
A soakway is a gravel fill pit where water is divert to via hole-and-corner pipe . This works well on sites that have compacted territory . Your soakway should be about 6’wide and cryptical and satiate with gravel or crush stone , topped with sand and sod or seeded .
Keep in mind that it is illegal to divert water onto other citizenry ’s property . If you do not experience that you may implement a workable root on your own , call a declarer . tool : Watering AidesNo gardener depends 100 % on natural rainfall . Even the most pee witting garden take account the proper hose , watering can or wand .
The paint to watering is water deeply and less frequently . When lachrymation , water well , i.e. provide enough water to thoroughly saturate the ancestor egg . With in - land plant , this means thoroughly soaking the territory until water has bottom to a depth of 6 to 7 inches ( 1 ' being better ) . With container grown plants , apply enough water to leave water to run through the drainage pickle .
attempt to water plants early in the day or afterward in the afternoon to conserve water and cut down on plant stress . Do water early enough so that water supply has had a hazard to dry from plant parting prior to night fall . This is paramount if you have had fungus problem .
Do n’t waitress to pee until plants wilt . Although some works will recover from this , all industrial plant will die if they wilt too much ( when they reach the permanent wilting degree ) .
study water system conservation methods such as drip irrigation , mulching , and xeriscaping . Drip system which easy drop moisture directly on the root system can be buy at your local home and garden marrow . Mulches can significantly chill the root zone and conserve moisture .
take adding H2O - saving gels to the root geographical zone which will hold a reserve of water for the plant . These can make a globe of difference especially under stressful precondition . Be certain to follow label direction for their use .
Conditions : Normal Watering for Outdoor PlantsNormal wateringmeans that soil should be hold open equally moist and watered regularly , as conditions require . Most works like 1 in of water a week during the growing time of year , but take care not to over water system . The first two years after a plant is installed , steady watering is important for governance . The first year is vital . It is adept to water once a week and water deeply , than to water ofttimes for a few minute . How - to : cut back WateringThis works requires less watering during wintertime month , so reduce watering from late November through early March .
Planting
Pruning deciduous shrubs can be divided into 4 groups : Those that requireminimal pruning(take out only beat , diseased , discredited , or intersect branches , can be done in early spring.);spring pruning(encourages vigorous , Modern growth which produces summer flowers - in other Logos , flowers appear on new wood);summer pruning after flower(after unfolding , cut back shoot , and take out some of the old growing , down to the ground);suckering wont pruning(flowers appear on wood from previous yr . Cut back flowered bow by 1/2 , to strong grow raw shoot and remove 1/2 of the blossom stem a couple of inch from the ground ) Always remove dead , damaged or diseased wood first , no matter what type of pruning you are doing .
Examples : Minimal : Amelanchier , Aronia , Chimonanthus , Clethra , Cornus alternifolia , Daphne , Fothergilla , Hamamelis , Poncirus , Viburnum . outflow : Abelia , Buddleia , Datura , Fuchsia , Hibiscus , Hypericum , Perovskia , Spirea douglasii / japonica , Tamarix . Summer after blossom : Buddleia alternifolia , Calycanthus , Chaenomeles , Corylus , Cotoneaster , Deutzia , Forsythia , Magnolia x soulangeana / stellata , Philadelphus , Rhododendron sp . , Ribes , Spirea x arguta / prunifolia / thunbergii , Syringa , Weigela . Suckering : KerriaHow - to : Planting ShrubsDig a fix twice the size of the root ball and deep enough to plant at the same level the bush was in the container . If ground is poor , dig hole even wide and fill with a mixture half original grunge and half compost or soil amendment .
cautiously remove bush from container and gently separate root . Position in center of hole , respectable side facing forward . Fill in with original stain or an remedy mixed bag if demand as described above . For larger bush , build a water well . Finish by mulch and water well .
If the industrial plant is balled - and - burlapped , remove fastener and shut down back the top of instinctive burlap , tucking it down into hole , after you ’ve place shrub . Make trusted that all gunny is buried so that it wo n’t wick water away from rootball during hot , wry periods . If synthetic burlap , remove if potential . If not possible , cut away or make slits to permit for roots to develop into the new soil . For larger bush , establish a water well . Finish by mulching and irrigate well .
If shrub is bare - root , look for a discoloration somewhere near the base ; this mark is likely where the ground air was . If grime is too arenaceous or too clayey , add constitutive matter . This will help with both drainage and water holding capacity . Fill soil , firming just enough to support shrub . Finish by mulch and water well .
Problems
Aphids can increase quickly in numbers and each female can produce up to 250 alive nymphs in the path of a calendar month without mating . Aphids often appear when the surroundings changes - leaping & downslope . They ’re often massed at the tips of branches feeding on succulent tissue paper . aphid are attracted to the color yellow and will often thumb on yellow clothing .
Prevention and Control : Keep weed to an out-and-out minimum , specially around desirable plants . On edibles , wash off infected area of plant . Lady hemipteron and lacewing will feed in on aphid in the garden . There are various product - organic and inorganic - that can be used to control aphids . Seek the recommendation of a professional and postdate all label function to a tee . Fungi : Powdery MildewPowdery Mildewis usually find on plants that do not have enough air circulation or adequate light . Problems are forged where night are cool and days are warm and humid . The powdery white or gray fungus is usually found on the upper surface of folio or fruit . Leaves will often turn yellow or brown , curl up , and drip off . New foliage emerges crinkle and misrepresented . Fruit will be shadow and often drops too soon .
Prevention and Control : Plant resistant varieties and space plant properly so they receive adequate brightness level and aviation circulation . Always water from below , keeping water off the foliage . This is predominate for roses . Go easy on the N fertilizer . employ antifungal agent according to label directions before trouble becomes severe and follow directions exactly , not miss any required treatment . Sanitation is a must - pick up and remove all leafage , flowers , or junk in the fall and destroy . Pest : CaterpillarsCaterpillars are the immature form of moth and butterflies . They are voracious feeders attacking a wide form of plant . They can be extremely destructive and are characterise as leaf feeders , stem borers , leaf crimper , cutworms and tent - formers .
Prevention and Control : keep weeds down , spotter item-by-item plant and take away caterpillars , practice label insect powder such as grievous bodily harm and oils , take reward of natural foeman such as parasitical wasps in the garden and employ Bacillus thuringiensis ( biological warfare ) for some caterpillar species . Fungi : Leaf SpotsLeaf patch are due to fungi or bacteria . Brown or shameful spots and dapple may be either ragged or orbitual , with a water soaked or yellow - edged appearance . insect , rain , filthy garden tools , or even citizenry can facilitate its spread .
Prevention and Control : Remove infected leaves when the industrial plant is dry . leaf that pull together around the base of the plant should be raked up and toss out of . Avoid overhead irrigation if potential ; piss should be point at stain level . For fungous leaf spots , use a recommended fungicide according to label direction .
Pest : Scale InsectsScales are insects , related to mealy hemipterous insect , that can be a problem on a wide kind of plant - indoor and outdoor . new scales Australian crawl until they recover a good feeding site . The grownup females then lose their stage and remain on a spot protected by its arduous carapace level . They appear as blow , often on the low sides of leaves . They have piercing mouth parts that suck the sap out of plant tissue . scale can weaken a flora leading to yellow foliage and leaf drop . They also raise a seraphic marrow call honeydew ( coveted by pismire ) which can guide to an unattractive shameful open fungous growth called sooty cast .
Prevention and Control : Once demonstrate they are hard to control . Isolate infest plant aside from those that are not infested . Consult your local garden center professional or Cooperative Extension office in your county for a effectual recommendation regarding their ascendence . further natural enemies such as parasitical white Anglo-Saxon Protestant in the garden . Diseases : BlightBlights are cause by fungi or bacteria that kill plant tissue . Symptoms often show up as the rapid spotting or wilting of foliation . There are many different blight , specific to various plants , each requiring a wide-ranging method acting of ascendance .
