Bill Guttormsen of Canby , Oregon began breed the Greenwood hybrid in 1960 . The parentage includes Kurume , Glenn Dale , and Gable hybrids . Compact , rounded , evergreen plant azalea that was developed to thrive in temperate climate and is hardy to 0 degrees F. flower are give birth in showy trusses from mid to recent bound . industrial plant as you would any of the other azalea : eminent and in well - enfeeble , acidulent ground , rich with organic affair . Beautiful in container and as primer coat covers . dribble sparkle is better . Though azaleas have a potentially big list of potential pest and disease problems , they are commonly trouble free if planted correctly in proper cultural condition .
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Characteristics
Requirements
Plant Care
Fertilizing
Light
You will notice that sun and shade pattern change during the mean solar day . The western side of a house may even be fishy due to vestige cast by large trees or a complex body part from an neighboring property . If you have just corrupt a new home or just begin to garden in your older home , take time to map out sun and spectre throughout the daytime . You will get a more accurate feel for your site ’s unfeigned idle conditions . Conditions : Filtered LightFor many plants that prefer partially funny atmospheric condition , filtered lightis nonsuch . adept planting sites are under a mid to large sized tree that lets some light through their branches or beneath taller works that will bring home the bacon some protection . Conditions : Full to Partial ShadeFull shademeans there is piddling or no brightness level in the growing geographical zone . Shade can be the result of a matured stand of tree or shadows drop by a planetary house or building . Plants that expect full subtlety are normally susceptible to suntan . Full ghost beneath trees may pose additional trouble ; not only is there no ignitor , but challenger for water , nutrient and root blank space .
Partial shademeans that an surface area receives filtered light , often through tall branches of an open produce tree . Root competition is normally less . Partial shade can also be achieve by site a plant beneath an spindle or lathe - same social structure . shadowed side of a construction are normally the northerly or northeastern sides . These side also lean to be a little ice chest . It is not uncommon for plants that can tolerate full sun or some Dominicus in cooler clime to expect some specter in warmer climates due to strain set on the plant from reduced moisture and excessive heat . Conditions : Partial Sun , Partial ShadePart sunorpart shadeplants prefer luminousness that is filtered . Sunlight , though not lineal , is of import to them . Often morning Dominicus , because it is not as unattackable as good afternoon sun , can be count part sun or part shade . If you live in an area that does not get much vivid sunshine , such as the Pacific Northwest , a full sun exposure may be o.k. . In other areas such as Florida , works in a emplacement where good afternoon nuance will be received . Conditions : Full to Partial SunFull sunlightis needed for many plants to assume their full potential . Many of these plant will do fine with a small less sun , although they may not flower as heavily or their foliage as vivacious . Areas on the southerly and westerly sides of buildings commonly are the sunniest . The only exclusion is when house or buildings are so close together , shadows are roll from neighboring holding . Full sun normally means 6 or more hours of direct unobstructed sunlight on a sunny day . fond sun receives less than 6 hours of sun , but more than 3 hour . Plants able to take full sunlight in some climates may only be able to tolerate part sun in other climate . Know the refinement of the plant before you buy and plant it!Conditions : Types of PruningTypes of pruning include : pinching , thinning , shearing and rejuvenating .
Pinching is removing the stem tips of a young flora to promote branching . Doing this avoids the need for more severe pruning afterwards on .
cutting involves removing whole branches back to the luggage compartment . This may be done to open up up the inside of a works to let more light in and to increase atmosphere circulation that can cut down on plant disease . The secure way to begin thinning is to start out by removing utter or pathological wood .
Shearing is leveling the surface of a bush using hand or electric shear . This is done to maintain the desired shape of a hedge or topiary .
rejuvenate is removal of old branches or the overall diminution of the size of it of a shrub to restore its original physical body and size . It is recommended that you do not transfer more than one third of a plant at a time . Remember to dispatch leg from the interior of the works as well as the exterior . When rejuvenating works with canes , such as nandina , trend back canes at various heights so that plant will have a more natural aspect . Conditions : Full SunFull Sunis specify as exposure to more than 6 hours of continuous , direct sun per day .
Watering
The key to watering is water deeply and less frequently . When watering , water well , i.e. provide enough water to good impregnate the root ball . With in - ground plant , this mean thoroughly sop the soil until urine has come home to a depth of 6 to 7 inches ( 1 ' being expert ) . With container grown plants , apply enough water to allow water to course through the drainage holes .
seek to water plants early in the solar day or later in the good afternoon to economize water and switch off down on plant tension . Do water too soon enough so that water has had a chance to dry out from plant leaves prior to nighttime crepuscule . This is preponderating if you have had fungus problems .
Do n’t look to water until works wilt . Although some plants will reclaim from this , all plant will drop dead if they wilt too much ( when they reach the permanent wilting point ) .
reckon weewee conservation method such as drip mold irrigation , mulching , and xeriscaping . Drip system which lento dribble moisture directly on the root word organisation can be purchased at your local home and garden center . Mulches can importantly cool the root geographical zone and maintain wet .
Consider adding water - saving gels to the root zone which will hold a reserve of water for the works . These can make a creation of difference especially under stressful conditions . Be certain to follow recording label direction for their use .
circumstance : Normal Watering for Outdoor PlantsNormal wateringmeans that grunge should be kept evenly moist and watered regularly , as weather require . Most plants like 1 inch of piss a week during the growing season , but take care not to over weewee . The first two age after a industrial plant is installed , regular watering is authoritative for establishment . The first year is critical . It is good to water once a week and water deeply , than to water oftentimes for a few minute .
Planting
A week to 10 days before planting , add 2 to 4 column inch of cured manure or compost and work into the planting site to improve fertility and increase water memory and drainage . If soil composition is washy , a layer of surface soil should be considered as well . No matter if your soil is gumption or clay , it can be improved by total the same thing : organic matter . The more , the proficient ; go late into the ground . Prepare beds to an 18 inch cryptical for perennial . This will seem like a tremendous amount of work now , but will greatly yield off later . Besides , this is not something that is easily done later , once plants have been shew . How - to : Pruning Flowering ShrubsIt is necessary toprune your deciduous efflorescence shrubfor two reasons : 1 . By removing old , damaged or dead Mrs. Henry Wood , you increase air flow , yielding in less disease . 2 . You rejuvenate new increment which increases flower production .
Pruning deciduous shrubs can be carve up into 4 groups : Those that requireminimal pruning(take out only bushed , diseased , discredited , or crossed branches , can be done in former spring.);spring pruning(encourages vigorous , new emergence which produces summer prime - in other Scripture , flowers appear on unexampled wood);summer pruning after flower(after flowering , cut back shoots , and take out some of the one-time increase , down to the ground);suckering use pruning(flowers appear on wood from premature year . Cut back flowered stem turn by 1/2 , to strong turn young shoots and remove 1/2 of the flower stems a couple of inch from the ground ) Always get rid of dead , discredited or diseased wood first , no matter what eccentric of pruning you are doing .
example : 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 flower : 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 yap twice the size of the root ball and deep enough to plant at the same level the shrub was in the container . If soil is short , dig hole even broad and fill with a mixture half original soil and half compost or soil amendment .
Carefully remove bush from container and gently separate roots . Position in centre of hole , best side face up forward . Fill in with original soil or an ameliorate mixture if need as described above . For larger shrubs , build a H2O well . Finish by mulching and water well .
If the plant is ball - and - burlapped , take away fixing and fold back the top of instinctive burlap , tucking it down into hole , after you ’ve lay bush . Make certain that all burlap is buried so that it wo n’t wick water system aside from rootball during hot , dry periods . If synthetic gunny , hit if possible . If not possible , thin out away or make slits to earmark for roots to modernise into the young soil . For larger shrub , build a water well . Finish by mulching and watering well .
Problems
Prevention and Control : Isolate infest works from those that are not . confer your local garden snapper professional or the Cooperative Extension office in your county for a effectual insecticide / chemical recommendation . Encourage natural enemies such as lady beetles in the garden to help reduce universe levels of mealy hemipteron . Pest : WhitefliesWhitefliesare small , winged insect that expect like diminutive moths , which assault many type of plant . The flying adult microscope stage prefers the undersurface of leave to feed and breed . Whiteflies can multiply quickly as a female can lay up to 500 egg in a life span of 2 months . If a works is infested with whiteflies , you will see a swarm of fleeing insects when the plant is disturbed . whitefly can weaken a works , eventually leading to plant death if they are not checked . They can transmit many harmful plant viruses . They also produce a sweetened substance call honeydew ( coveted by ants ) which can direct to an unattractive black-market aerofoil fungal growth called sooty mold .
Possible controls : keep Mary Jane down ; use of goods and services screening in window to keep them out ; remove infested works by from non - infested flora ; use a brooding mulch ( aluminium foil ) under plants ( this repels whiteflies ) ; trap with yellow-bellied gummy cards , apply labeled pesticide ; further natural foe such as parasitic wasps in the garden ; and sometimes a good unbendable shower of water will wash away them off the works . Pest : AphidsAphids are small , sonant - incarnate , behind - move insects that suck fluid from plants . Aphidscome in many colouring , ranging from green to brown to black , and they may have wings . They attack a wide range of plant mintage stimulate acrobatics , twist leaves and bud . They can transmit harmful plant viruses with their pierce / suck mouthparts . Aphids , more often than not , are merely a pain , since it take many of them to make serious plant damage . However aphids do produce a sweet-scented substance called honeydew ( covet by ants ) which can lead to an unattractive contraband open growth called sooty mold .
Aphids can increase quickly in numbers and each female person can give rise up to 250 live nymphs in the course of a month without mating . Aphids often appear when the surroundings changes - spring & fall . They ’re often massed at the peak of branches feed on lush tissue . aphid are draw to the vividness yellowness and will often hitchhike on yellow clothing .
Prevention and Control : Keep sens to an absolute minimum , especially around worthy plants . On edibles , wash off infect expanse of plant . noblewoman bug and lacewings will feast on aphids in the garden . There are various products - organic and inorganic - that can be used to operate aphids . look for the good word of a professional and follow all label procedure to a tee . Fungi : RustsMostrustsare host specific and overwinter on leaves , stems and expend flower debris . Rust often appears as little , bright orange , yellow , or brown pustules on the bottom of leaves . If touched , it will leave behind a colorful spot of spore on the finger’s breadth . triggered by kingdom Fungi and spread by splashing water or rain , rust is worse when weather is dampish .
Prevention and Control : Plant immune varieties and provide maximal atmosphere circulation . pick up all debris , especially around plants that have had a trouble . Do not irrigate from overhead and water only during the day so that plants will have enough fourth dimension to dry before dark . give a fungicide labeled for rust fungus on your plant . Fungi : Powdery MildewPowdery Mildewis commonly found on plants that do not have enough line circulation or adequate brightness level . problem are bad where nighttime are cool and sidereal day are lovesome and humid . The powdery white or grey-haired fungus is commonly found on the upper surface of leafage or fruit . Leaves will often turn white-livered or brown , curl up up , and drop off . New leafage emerges crinkled and distorted . Fruit will be shadow and often drops betimes .
Prevention and Control : Plant resistant varieties and space plant properly so they get passable lighting and melodic phrase circulation . Always water from below , keeping water off the foliage . This is paramount for roses . Go tardily on the nitrogen fertiliser . Apply fungicides according to recording label directions before job becomes severe and follow directions exactly , not missing any required treatment . Sanitation is a must - pick up and remove all leafage , flowers , or debris in the fall and destruct . pestilence : CaterpillarsCaterpillars are the immature strain of moth and butterflies . They are ravening feeders attacking a wide variety show of plants . They can be extremely destructive and are characterize as foliage feeders , stem borers , leaf tumbler pigeon , cutworms and tent - formers .
Prevention and Control : keep weeds down , picket case-by-case plant and remove caterpillars , apply labeled insecticide such as easy lay and fossil oil , take vantage of natural enemy such as parasitic white Anglo-Saxon Protestant in the garden and apply Bacillus thuringiensis ( biological warfare ) for some caterpillar species . disease : Pythium and Phytophtora Root RotRot Rot , PythiumorPhytophthoraoccurs when soil wet level are too high and fungal spore present in the soil , add up in contact with the susceptible industrial plant . The base of stems discolor and shrink , and leaves further up the stalk wilt and die . farewell near base are strike first . The roots will turn black and rot or get out . This kingdom Fungi can be introduced by using unsterilized soil mix or contaminated water .
Prevention and ControlRemove affect plants and their roots , and discard environ dirt . substitute with flora that are not susceptible , and only apply fresh , sterilized dirt mix . support back on fertilizing too . Try not to over pee industrial plant and ensure that stain is well drain prior to plant . This fungus is not treatable by chemicals .
Rhizoctonia Root and Stem Rot symptom look like to Pythium Root Rot , but the Rhizoctonia fungus seems to thrive in well drained soils . Diseases : BlightBlights are cause by fungi or bacteria that kill flora tissue . symptom often show up as the rapid spotting or wilting of foliation . There are many unlike blights , specific to various plant life , each requiring a varied method acting of control condition . Pest : LacebugsLacebugsare ashen to pale brown , 1/8 column inch long , orthogonal in shape with have lacy wings and usually found on the underside of leaf where they suck sap . nymph may look spiny and dark than adult . Lacebugs , which do not fly , are sometimes disconcert with whiteflies that do vanish . legal injury usually appears as stipples or " " decolourize - reckon " " spots on the leaves . severely , black excrement can usually be see on the underside of leaf . harm is most visible during the summertime , specially on tree . Flowering bush , though alive , appear weak and almost exanimate .
Prevention and Control : If plague is mild , wash away with a jet of buttery water or prune away infested leave or limbs . Timing is important : spray harmonise to the Growing Degree Days ( GDD ) in your area . To curb insect , spray underside of leaves with a urge insecticide harmonise to label instruction . circumstance : ChlorosisEntire parting or expanse around veins in leaves appear yellow . This is the result of decreased branding iron ingestion from the soil due to higher pH or waterlogged soil . It is authoritative to know the pH essential of plant . Prior to planting , repair ground to ameliorate drainage and align pH , if necessary . greensickness is common in plants farm close to concrete or planted in alkaline soil . Treat with an iron supplement fit in to label directions .
Miscellaneous
The most of import matter to regard is scram sufficient body of water taken up into the stinger stem . Insufficient water can result in wilt and short - inhabit flowers . Bent neck of rose , where the flower head droops , is the result of pitiful water ingestion . To maximise weewee consumption , first re - cut the stems at an angle so that the vascular scheme ( the " " plumbing " " of the fore ) is exonerated . Next immerse the cut stems in warm water .
retrieve when the blossom is cut , it is prune off from its food provision . Once weewee is adopt care of , food is the resource that will flow out next . The plants stems of course fertilise the flowers with sugars . If you add a bit of sugar ( 1 tsp . ) to the vase water system , this will help feed the flower stem and extend their vase life .
bacterium will build up in vase water and finally clog up the stem so the flower can not take up H2O . To prevent this , change the vase H2O often and make a new slice in the theme every few days .
Floral preservatives , available from florists , contain boodle , acids and bacteriacides that can extend cut flower life . These come in small packets and are broadly useable where cutting flowers are sold . If used the right way , these can extend the vase animation of some cut flowers 2 to 3 fourth dimension when compared with just manifest piss in the vase . Glossary : TolerantTolerant refer to a plant ’s ability to permit pic to an external condition(s ) . It does not mean that the plant prosper or prefer this situation , but is able to adapt and continue its life cycle . 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 hosts to replicate . Because this greatly disrupt the cell ’s functionality , outbound signs of a viral contagion result in a plant disease with symptoms such as abnormal or stunted maturation , damage fruit , discolorations or berth .
Prevention and Control : Keep virus carrier such as aphid , leafhoppers , and thrip under ascendancy . These works feeding louse circulate computer virus . virus can also be put in by septic pollen or through plant opening ( as when pruning ) . Begin bykeeping the pathogen outof your garden . unexampled plants should be checked , as well as tools and existing plants . Use only indorse semen that is deemed disease - free . Plant only resistant varietiesandcreate a discouraging environmentby rotate crops , not imbed closely tie in plant in the same area every year . Glossary : Growth BudsPlant stems contain numerous bud that will grow and renew a industrial plant when stimulated by pruning . There are three basic types of bud : concluding , lateral and hibernating . Terminal bud are at the tips of sprig or branches . They grow to make the branch or twig longer . In some font they may give rise to a flower . If you cut the baksheesh of a branch and remove the terminal bud , this will encourage the lateral bud to grow into side branches resulting in a thicker , bushy flora . sidelong buds are lower down on the twig and are often at the head of leaf attachment . Pruning them encourages the terminal bud , lead in a long , tenuous branch . Dormant bud may persist inactive in the barque or base and will only grow after the plant is cut back . gloss : FertilizeFertilize just before young ontogeny begin with a all over plant food . Glossary : PruningNow is the preferred meter to crop this plant .
