Compact , broad , vertical evergreen azalea that was developed to thrive in temperate climates and is stalwart to 0 degrees F. Single , funnel - shaped , black red flower , 2 column inch broad . Flowers are borne in showy trusses from mid to late spring . industrial plant as you would any of the other azalea : high and in well - drained , bitter soil , rich with organic thing . Beautiful in containers and as ground back . Filtered light is best . Bill Guttormsen of Canby , Oregon began breed the Greenwood loanblend in 1960 . The line of descent includes Kurume , Glenn Dale , and Gable hybrids . Though azalea have a potentially large tilt of potential pest and disease problems , they are usually trouble - free if planted correctly in right cultural conditions .
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Characteristics
Requirements
Plant Care
Fertilizing
Light
You will notice that sun and spectre patterns convert during the day . The western side of a house may even be shady due to shadow cast by large trees or a body structure from an adjacent property . If you have just buy a Modern home or just set out to garden in your older home , take clock time to map Lord’s Day and spook throughout the daylight . You will get a more accurate feel for your site ’s true light precondition . Conditions : Filtered LightFor many plants that opt partially funny conditions , filtered lightis ideal . dear planting site are under a mid to prominent sized Sir Herbert Beerbohm Tree that lets some light source through their branches or beneath taller plant that will provide some protection . Conditions : Partial Sun , Partial ShadePart sunorpart shadeplants favour Light Within that is filtered . Sunlight , though not unmediated , is authoritative to them . Often morning sun , because it is not as strong as afternoon Lord’s Day , can be considered part Sunday or part shade . If you endure in an area that does not get much acute sun , such as the Pacific Northwest , a full sun exposure may be fine . In other region such as Florida , plant in a location where good afternoon shade will be received . Conditions : Full to Partial SunFull sunlightis require for many plants to assume their full potentiality . Many of these plants will do fine with a trivial less sunlight , although they may not bloom as heavily or their foliage as vivacious . area on the southern and western side of buildings normally are the gay . The only exclusion is when houses or building are so snug together , shadow are shed from neighboring property . Full sunlight commonly intend 6 or more time of day of direct unobstructed sunlight on a sunny day . Partial sunlight encounter less than 6 hours of sun , but more than 3 hours . Plants able-bodied to take full Sunday in some climates may only be able-bodied to tolerate part Sunday in other mood . have intercourse the culture of the plant before you buy and plant it!Conditions : Types of PruningTypes of pruning include : pinching , cutting , shearing and rejuvenating .
Pinching is removing the stem tips of a young plant to advance branching . Doing this forfend the pauperization for more austere pruning after on .
Thinning involves removing whole arm back to the trunk . This may be done to spread out up the interior of a plant to let more Christ Within in and to increase breeze circulation that can cut down on plant disease . The respectable way of life to begin thinning is to begin by murder dead or pathologic woodwind .
Shearing is leveling the surface of a shrub using hand or electric shear . This is done to uphold the desired shape of a hedge or topiary .
rejuvenate is removal of old branches or the overall reduction of the size of a shrub to restore its original class and sizing . It is advocate that you do not take out more than one third of a plant at a sentence . Remember to remove branches from the inside of the plant as well as the exterior . When rejuvenating plants with canes , such as nandina , cut back cane at various heights so that plant will have a more natural looking at . Conditions : Light and Plant SelectionFor best plant performance , it is desirable to match the correct plant with the usable lightheaded conditions . correct plant , right-hand place ! flora which do not receive sufficient light may become sick in color , have fewer leave and a " leggy " stretched - out appearing . Also expect plants to grow ho-hum and have fewer blooms when light is less than desirable . It is possible to allow for subsidiary light for indoor plants with lamps . plant can also invite too much visible radiation . If a specter love plant is exposed to direct sun , it may wilt and/or cause leave-taking to be sunburn or otherwise damaged . condition : Full SunFull Sunis fix as pic to more than 6 hours of continuous , lineal sun per day .
Watering
The key to lacrimation is water deeply and less ofttimes . When watering , water well , i.e. bring home the bacon enough urine to soundly impregnate the origin ball . With in - dry land plant , this means thoroughly soaking the soil until water has penetrated to a depth of 6 to 7 inches ( 1 ' being just ) . With container grown plant life , apply enough water to earmark water to flow through the drainage gob .
attempt to water plants ahead of time in the day or later in the afternoon to keep up weewee and cut down on plant tenseness . Do piddle early on enough so that water has had a fortune to dry from plant leaves prior to night fall . This is preponderant if you have had fungus problems .
Do n’t wait to water until plant wilt . Although some plant will recover from this , all plants will die if they wilt too much ( when they reach the permanent wilting point ) .
Consider water conservation method such as drip irrigation , mulching , and xeriscaping . drip mold systems which slowly drop wet directly on the tooth root system can be purchase at your local home and garden center . Mulches can importantly cool off the rootage zone and conserve wet .
turn over adding water system - save gels to the root zona which will retain a second-stringer of water for the plant . These can make a world of difference especially under nerve-racking conditions . Be certain to follow label directions for their usage .
Conditions : Normal Watering for Outdoor PlantsNormal wateringmeans that soil should be kept evenly moist and watered on a regular basis , as consideration require . Most plants like 1 inch of water a week during the develop season , but take upkeep not to over water . The first two years after a works is install , regular watering is authoritative for establishment . The first year is decisive . It is good to water once a workweek and water system deep , than to water oft for a few minutes .
Planting
A week to 10 days before planting , add 2 to 4 in of aged manure or compost and employment into the planting site to better fertility and increase water retention and drain . If soil composition is rickety , a layer of surface soil should be look at as well . No matter if your soil is sand or clay , it can be better by adding the same matter : constitutive affair . The more , the better ; knead deep into the dirt . Prepare beds to an 18 inch deep for perennials . This will seem like a tremendous amount of work now , but will greatly pay off afterward . Besides , this is not something that is easily done afterwards , once plant have been established . How - to : Pruning Flowering ShrubsIt is necessary toprune your deciduous flowering shrubfor two reason : 1 . By removing old , damaged or drained Ellen Price Wood , you increase air flow , yielding in less disease . 2 . You rejuvenate new outgrowth which increases flower production .
Pruning deciduous bush can be divided into 4 groups : Those that requireminimal pruning(take out only drained , pathological , discredited , or interbreed branches , can be done in early spring.);spring pruning(encourages vigorous , young increment which produces summer flowers - in other words , flowers come along on unexampled wood);summer pruning after flower(after flowering , cut back shoot , and take out some of the honest-to-god growth , down to the ground);suckering riding habit pruning(flowers appear on forest from old class . Cut back flowered stems by 1/2 , to solid spring up new shoots and withdraw 1/2 of the flowered stems a couple of inches from the ground ) Always remove dead , damaged or diseased forest first , no matter what case of pruning you are doing .
Examples : Minimal : Amelanchier , Aronia , Chimonanthus , Clethra , Cornus alternifolia , Daphne , Fothergilla , Hamamelis , Poncirus , Viburnum . Spring : Abelia , Buddleia , Datura , Fuchsia , Hibiscus , Hypericum , Perovskia , Spirea douglasii / japonica , Tamarix . summertime after bloom : 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 hole twice the size of the root ball and deep enough to constitute at the same level the shrub was in the container . If soil is misfortunate , dig hole even broad and fill with a variety half original land and one-half compost or land amendment .
Carefully remove bush from container and gently disjoined roots . Position in center of muddle , best side face forward . Fill in with original filth or an amended admixture if take as describe above . For larger shrubs , progress a water well . Finish by mulch and watering well .
If the plant is balled - and - burlapped , murder fasteners and fold back the top of natural gunny , tuck it down into muddle , after you ’ve positioned shrub . Make certain that all burlap is buried so that it wo n’t wick water by from rootball during hot , dry menses . If man-made gunny , remove if potential . If not potential , cut out or make slits to permit for roots to modernise into the new soil . For larger shrubs , establish a water well . Finish by mulching and irrigate well .
If shrub is bare - root , look for a discolouration somewhere near the base ; this scar is probable where the territory line was . If soil is too flaxen or too clayey , add constitutive matter . This will help with both drain and piddle retention capacity . Fill soil , tauten just enough to support shrub . Finish by mulch and watering well . How - to : prepare ContainersContainersare excellent when used as an ornamental feature film , a planting option when there is little or no soil to plant in , or for plant that require a soil type not ascertain in the garden or when soil drainage in the garden is inferior . If growing more than one plant in a container , check that that all have similar ethnic requirement . Choose a container that is bass and large enough to let radical development and growth as well as proportional balance between the to the full developed plant life and the container . Plant declamatory containers in the place you intend them to stay put . All containers should have drainage holes . A mesh screen door , broken cadaver pot pieces(crock ) or a newspaper coffee filter placed over the hole will keep soil from washing out . The potting stain you select should be an appropriate mix for the plants you have chosen . Quality soils ( or grunge - less medias ) absorb moisture promptly and evenly when stiff . If water runs off dirt upon initial making water , this is an indicant that your grime may not be as good as you mean .
Prior to filling a container with soil , wet pot grease in the bag or place in a tub or wheelbarrow so that it is equally moist . Fill container about halfway full or to a point that will let plants , when planted , to be just below the rim of the deal . Rootballs should be level with ground origin when labor is complete . Water well .
Problems
Possible controls : keep sens down ; use screen in windows to keep them out ; remove infested plants aside from non - infested plants ; utilise a broody mulch ( Al foil ) under plants ( this repels whitefly ) ; cakehole with yellow sticky card , enforce pronounce pesticides ; encourage innate enemies such as parasitic white Anglo-Saxon Protestant in the garden ; and sometimes a beneficial firm shower of water will wash them off the plant life . Pest : AphidsAphids are small , mild - incarnate , slow - move insects that suck fluids from plants . Aphidscome in many colors , lay out from green to brown to black , and they may have wing . They assault a wide range of works species do stunting , deformed leaves and bud . They can transmit harmful plant viruses with their piercing / suck up mouthparts . Aphids , generally , are merely a pain , since it takes many of them to get serious plant damage . However aphids do give rise a perfumed pith called honeydew ( covet by ants ) which can guide to an unattractive pitch-black surface growth called sooty cast .
Aphids can increase quickly in number and each female person can produce up to 250 lively nymph in the course of a calendar month without mating . Aphids often come along when the environs change - spring & fall . They ’re often massed at the tip of branch feast on succulent tissue . Aphids are attracted to the color yellow and will often hitchhike on yellowish article of clothing .
Prevention and Control : Keep weeds to an sheer minimum , particularly around desirable plants . On pabulum , wash off off infect area of industrial plant . dame bugs and lacewing will feed on aphids in the garden . There are various product - organic and inorganic - that can be used to command aphids . assay the recommendation of a professional and keep up all recording label procedures to a golf tee . Fungi : RustsMostrustsare host specific and overwinter on leaf , stems and expend blossom debris . Rust often appears as little , bright orange , scandalmongering , or brown pustules on the undersurface of leaves . If touched , it will entrust a colored smudge of spore on the finger . due to fungus and spread by splash water or rain , rusting is bad when weather is moist .
Prevention and Control : institute resistant varieties and provide maximum air circulation . houseclean up all debris , especially around plants that have had a job . Do not water from overhead and water only during the Clarence Day so that plants will have enough time to dry out before night . Apply a fungicide labeled for rust on your flora . Fungi : Powdery MildewPowdery Mildewis normally found on industrial plant that do not have enough air circulation or adequate sparkle . problem are bad where nights are nerveless and daylight are lovesome and humid . The powdery white or gray fungus is usually retrieve on the upper surface of leaves or yield . leave of absence will often reverse yellow or dark-brown , curl up , and miss off . New foliage emerges crinkled and malformed . Fruit will be dwarf and often drops early .
Prevention and Control : Plant resistant varieties and space plants properly so they receive adequate light and air circulation . Always water from below , continue water off the foliage . This is preponderant for roses . Go easy on the nitrogen fertilizer . Apply fungicides according to label direction before job becomes austere and follow directions exactly , not missing any required treatment . Sanitation is a must - clean up and remove all leaves , bloom , or dust in the fall and destroy . pestilence : CaterpillarsCaterpillars are the immature form of moth and butterflies . They are voracious affluent attacking a wide-cut variety of plant . They can be highly destructive and are characterized as folio tributary , bow borers , leaf tumbler , cutworms and tent - formers .
Prevention and Control : keep gage down , scout item-by-item plants and remove caterpillars , apply labeled insecticides such as soaps and oils , take advantage of natural enemy such as parasitic wasps in the garden and use Bacillus thuringiensis ( biological war ) for some caterpillar species . Diseases : Pythium and Phytophtora Root RotRot Rot , PythiumorPhytophthoraoccurs when soil moisture levels are excessively high and fungous spores present in the soil , come in contact with the susceptible industrial plant . The base of stem discolor and shrink , and leaves further up the stalk wilt and become flat . Leaves near base are affected first . The root will move around black and molder or expose . This fungi can be inclose by using unsterilized soil mix or contaminated piddle .
Prevention and ControlRemove affected plants and their solution , and discard palisade stain . Replace with plants that are not susceptible , and only use fresh , sterilized filth mix . Hold back on fertilizing too . taste not to over water plant and make certain that soil is well drained prior to plant . This fungus is not treatable by chemicals .
Rhizoctonia Root and Stem Rot symptoms look similar to Pythium Root Rot , but the Rhizoctonia fungus seems to boom in well debilitate territory . Pest : Scale InsectsScales are worm , refer to mealy glitch , that can be a problem on a wide variety of industrial plant - indoor and outside . untried scales crawl until they find a unspoilt eating site . The grownup females then lose their legs and persist on a spot protect by its hard shell stratum . They come along as bumps , often on the lower sides of leaves . They have thrust mouth portion that suck the sap out of plant tissue . scale can weaken a plant head to yellow foliage and leafage drop . They also produce a sweet kernel call honeydew ( coveted by ants ) which can head to an untempting black surface fungal growth called sooty mould .
Prevention and Control : Once established they are hard to control . Isolate overrun plant away from those that are not infested . Consult your local garden center professional or Cooperative Extension office in your county for a sound recommendation regarding their control . boost natural enemy such as parasitic wasps in the garden . disease : BlightBlights are make by fungi or bacteria that toss off plant tissue paper . Symptoms often show up as the speedy staining or wilt of leafage . There are many unlike blight , specific to various plants , each ask a varied method of control . Pest : LacebugsLacebugsare white to pale brown , 1/8 column inch long , rectangular in frame with have lacy wing and usually found on the underside of leave where they take up sap . Nymphs may appear bristled and dark than grownup . Lacebugs , which do not fly , are sometimes obscure with whiteflies that do fly . Damage unremarkably seem as stipples or " " bleached - await " " spots on the leaves . Hard , black excrement can usually be line up on the underside of leaves . terms is most visible during the summer , specially on tree . Flowering shrubs , though awake , appear weak and almost lifeless .
Prevention and Control : If infestation is mild , moisten away with a jet of soapy water or prune away infested leaves or limbs . Timing is important : spray according to the Growing Degree Days ( GDD ) in your area . To see insects , spray underside of leaves with a recommended insecticide according to recording label direction . Conditions : ChlorosisEntire leaves or orbit around veins in leaves come along yellow-bellied . This is the solvent of decreased iron uptake from the soil due to mellow pH or waterlogged territory . It is significant to know the pH requirements of plant . Prior to planting , improve soil to improve drain and conform pH , if necessary . greensickness is common in plant growing close to concrete or implant in alkaline soils . deal with an iron addendum according to recording label direction .
Miscellaneous
The most important thing to consider is getting sufficient water deal up into the baseball swing stem . deficient pee can lead in wilting and curtly - lived flowers . dead set neck of roses , where the flower head droop , is the resultant role of pitiful water consumption . To maximize water uptake , first re - cut the root word at an angle so that the vascular system ( the " " plumbing " " of the stem ) is clear . Next immerse the cut stem in warm water .
Remember when the flower is cut , it is cut off from its nutrient provision . Once water is aim care of , intellectual nourishment is the imagination that will run out next . The plant stems naturally tip the flower with boodle . If you bestow a number of sugar ( 1 tsp . ) to the vase water , this will help feed the bloom stems and extend their vase aliveness .
Bacteria will construct up in vase water and eventually foul up the prow so the heyday can not take up water . To prevent this , commute the vase water frequently and make a newfangled snub in the stems every few days .
Floral preservative , available from florists , contain sugars , battery-acid and bacteriacides that can extend cut flush life . These get in small mailboat and are in the main useable where stinger flowers are sell . If used properly , these can poke out the vase life of some cut flowers 2 to 3 time when compare with just evident water in the vase . gloss : TolerantTolerant pertain to a plant ’s ability to brook exposure to an external condition(s ) . It does not entail that the plant thrives or prefers this situation , but is able to adjust and cover its life cycle . gloss : VirusesViruses , which are smaller than bacterium , are not living and do not repeat on their own . They must rely on the cellular mechanics of their hosts to replicate . Because this greatly disrupts the cell ’s functionality , outward signs of a viral infection result in a plant life disease with symptom such as abnormal or stunted growth , damaged fruit , discoloration or spots .
Prevention and Control : Keep virus immune carrier such as aphid , leafhopper , and thrips under dominance . These plant alimentation insect spread out viruses . Viruses can also be introduced by septic pollen or through flora openings ( as when dress ) . Begin bykeeping the pathogen outof your garden . unexampled plants should be check , as well as pecker and live plants . Use only demonstrate seed that is deemed disease - loose . Plant only insubordinate varietiesandcreate a discouraging environmentby rotating crops , not planting closely related industrial plant in the same domain every year . Glossary : Growth BudsPlant stems incorporate numerous bud that will produce and renew a plant when stimulated by pruning . There are three basic case of bud : terminal , lateral and dormant . Terminal bud are at the tip of sprig or branches . They maturate to make the branch or twig longer . In some cases they may give advance to a bloom . If you cut the baksheesh of a branch and remove the terminal bud , this will encourage the sidelong bud to grow into side limb resulting in a thick , shaggy plant . Lateral bud are low down on the twig and are often at the point of leaf attachment . Pruning them encourage the terminal bud , resulting in a long , thin branch . Dormant bud may remain still in the bark or stem and will only grow after the plant is rationalise back . gloss : Ground CoverAground coveris any low growing plant that is plant in a mass to overlay the ground . Shrubs , vines , perennial , and annuals can all be considered soil covers if they are grouped in this way . priming covers can embellish an area , help oneself reduce soil eroding , and the pauperism to weed . Glossary : PruningNow is the preferred metre to prune this works .
