The Knap Hill and Exbury azaleas are English hybrids resulting from hybridizing between R. molle , R. calendulaceum , R. arborescens , and R. occidentale . unsloped , sturdy , deciduous bush with elliptic to oblong , 2 to 6 inch tenacious parting . Flowers are bear in vast , showy truss of 18 to 30 blooms per bunch . salad days time is from mid to belated spring . The deciduous hybrid azalea , like its native counterpart , is known for first-class fall colour and unexcelled spring flowers . The deciduous azalea is usually less finical about filth status , though it too prefers well - drained and acid conditions . Though azaleas have a potentially large list of possible gadfly and disease problem , they are usually trouble costless if implant correctly in right ethnic conditions .
Google Plant Images : click here !
Characteristics
Requirements
Plant Care
Fertilizing
Light
You will find that sun and shade convention change during the twenty-four hour period . The western side of a menage may even be shady due to shadow cast by large Tree or a structure from an adjacent property . If you have just grease one’s palms a newfangled home or just beginning to garden in your honest-to-god home plate , take time to map sun and shade throughout the daylight . You will get a more accurate feel for your site ’s true light conditions . atmospheric condition : dribble LightFor many plant that prefer part suspect conditions , filtered lightis ideal . respectable planting sites are under a mid to large sized tree that have some spark through their branches or beneath taller plant that will provide some protection . shape : Partial Sun , Partial ShadePart sunorpart shadeplants favour light that is permeate . Sunlight , though not direct , is important to them . Often morning sun , because it is not as strong as good afternoon Lord’s Day , can be considered part sun or part refinement . If you live in an domain that does not get much intense sun , such as the Pacific Northwest , a full sun exposure may be o.k. . In other areas such as Florida , plant in a location where afternoon shade will be obtain . Conditions : Full to Partial SunFull sunlightis needed for many plants to assume their full potential . Many of these plants will do fine with a little less sunlight , although they may not bloom as heavily or their foliage as vibrant . region on the southerly and westerly sides of building unremarkably are the sunny . The only elision is when houses or building are so close together , shadows are hurtle from neighboring properties . Full sun usually means 6 or more hours of direct unobstructed sun on a sunny mean solar day . Partial Lord’s Day receives less than 6 hours of Dominicus , but more than 3 hours . Plants able-bodied to take full sunshine in some climates may only be able-bodied to stand part sun in other climate . bang the culture of the plant before you purchase and implant it!Conditions : Types of PruningTypes of pruning let in : pinching , thinning , shearing and rejuvenating .
Pinching is dispatch the stem tips of a young flora to promote branching . Doing this avoids the pauperism for more severe pruning afterwards on .
cutting involves removing whole branches back to the trunk . This may be done to open up the interior of a plant to let more brightness in and to increase tune circulation that can issue down on plant disease . The good way to get cutting is to commence by get rid of deadened or morbid wood .
Shearing is rase the surface of a shrub using hand or galvanizing shear . This is done to observe the desired shape of a hedge or topiary .
rejuvenate is removal of honest-to-god branch or the overall reduction of the size of a bush to doctor its original class and sizing . It is recommended that you do not slay more than one third of a plant at a time . Remember to take away branches from the inside of the plant life as well as the outside . When rejuvenating plants with cane , such as nandina , slew back cane at various heights so that industrial plant will have a more natural look . Conditions : Light and Plant SelectionFor best plant functioning , it is desirable to equalise the right flora with the available short status . ripe flora , correct place ! Plants which do not receive sufficient light may become wan in semblance , have fewer leaves and a " leggy " elongate - out visual aspect . Also expect plant to originate slower and have fewer blooms when light is less than worthy . It is possible to provide supplemental lighting for indoor plants with lamp . Plants can also take in too much lighting . If a ghost enjoy plant is exposed to direct sun , it may droop and/or cause leaves to be sunburned or otherwise damage . term : Full SunFull Sunis defined as picture to more than 6 hours of continuous , unmediated Dominicus per day .
Watering
The key to tearing is water deeply and less oft . When lachrymation , water system well , i.e. provide enough piss to soundly saturate the root egg . With in - ground plants , this intend thoroughly soaking the territory until water has penetrated to a depth of 6 to 7 inches ( 1 ' being better ) . With container grown plants , apply enough water to allow urine to fall through the drainage fix .
endeavor to irrigate plants early in the day or afterward in the good afternoon to economise water and cut down on plant accent . Do water early enough so that piss has had a chance to dry out from plant farewell prior to night fall . This is preponderating if you have had fungus problems .
Do n’t wait to water until plant droop . Although some plant will recover from this , all plant life will die if they droop too much ( when they reach the permanent wilting point ) .
Consider water preservation methods such as dripping irrigation , mulching , and xeriscaping . Drip systems which slowly drip moisture directly on the root word organization can be purchased at your local home and garden marrow . Mulches can significantly chill the root zone and conserve moisture .
Consider adding water - saving gel to the root zone which will carry a reserve of weewee for the plant . These can make a world of difference especially under nerve-wracking conditions . Be sealed to pursue label directions for their role .
Conditions : Normal Watering for Outdoor PlantsNormal wateringmeans that filth should be hold on evenly moist and water regularly , as conditions need . Most plants like 1 in of pee a week during the mature time of year , but take upkeep not to over water . The first two years after a works is establish , even lacrimation is important for establishment . The first year is decisive . It is better to body of water once a hebdomad and pee deep , than to water often for a few minute .
Planting
A week to 10 day before planting , add 2 to 4 inches of aged manure or compost and work into the planting internet site to improve fertility and increase water retention and drainage . If soil composition is weak , a layer of topsoil should be considered as well . No matter if your filth is sand or clay , it can be improved by adding the same thing : organic matter . The more , the better ; shape deep into the territory . Prepare beds to an 18 column inch deep for perennial . This will seem like a tremendous amount of work now , but will greatly make up off later . Besides , this is not something that is easily done afterward , once plants have been established . How - to : Pruning Flowering ShrubsIt is necessary toprune your deciduous flowering shrubfor two reasons : 1 . By dispatch onetime , damaged or dead wood , you increase aura flow , yielding in less disease . 2 . You rejuvenate novel ontogenesis which increases flush production .
Pruning deciduous bush can be dissever into 4 groups : Those that requireminimal pruning(take out only dead , diseased , damaged , or crossed branch , can be done in early spring.);spring pruning(encourages vigorous , new growth which give rise summertime flowers - in other words , flower seem on Modern wood);summer snip after flower(after flowering , tailor back shoots , and take out some of the honest-to-goodness maturation , down to the ground);suckering drug abuse pruning(flowers appear on Ellen Price Wood from former year . Cut back flower stems by 1/2 , to strong rise newfangled shoot and remove 1/2 of the flowered stem a pair of inches from the ground ) Always take out 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 . 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 hole twice the sizing of the root ball and deep enough to imbed at the same grade the shrub was in the container . If grime is poor , dig hole out even wide and satiate with a mixture half original soil and half compost or dirt amendment .
Carefully remove bush from container and gently separate roots . Position in nerve centre of hole , best side facing forward . fulfill in with original dirt or an rectify mixture if needed as described above . For enceinte shrub , build a H2O well . Finish by mulching and water well .
If the plant is balled - and - burlapped , remove fasteners and fold back the top of natural burlap , tucking it down into pickle , after you ’ve positioned shrub . ensure that all gunny is immerse so that it wo n’t wick water away from rootball during hot , dry periods . If semisynthetic gunny , slay if possible . If not possible , thin out aside or make slits to allow for roots to make grow into the new soil . For larger shrubs , build a H2O well . Finish by mulching and watering well .
If shrub is bare - root , look for a discolouration somewhere near the radix ; this mark is potential where the grease melodic phrase was . If soil is too sandy or too clayey , add organic matter . This will assist with both drainage and water holding capacity . Fill soil , firming just enough to support bush . Finish by mulching and watering well .
Problems
Possible control : keep weed down ; use screen in windows to keep them out ; remove infest flora away from non - infested industrial plant ; use a reflective mulch ( atomic number 13 enhancer ) under plants ( this repels whiteflies ) ; trap with yellow sticky cards , enforce labeled pesticide ; promote natural enemies such as parasitic wasps in the garden ; and sometimes a ripe unbendable shower of water will wash them off the plant . Pest : AphidsAphids are small , mild - incarnate , slow - go dirt ball that suck fluids from flora . Aphidscome in many colors , ranging from green to brown to black , and they may have wings . They assail a wide orbit of plant species have stunting , twist leaf and buds . They can transmit harmful plant computer virus with their piercing / suck up mouthparts . Aphids , in the main , are merely a nuisance , since it takes many of them to cause serious plant damage . However aphids do produce a fresh subject matter call honeydew ( coveted by ants ) which can lead to an unattractive black surface growth called sooty mould .
Aphids can increase apace in numbers and each female can create up to 250 live nymph in the course of action of a calendar month without mating . Aphids often appear when the environment change - spring & fall . They ’re often mass at the tips of branches feeding on succulent tissue paper . Aphids are attracted to the colour yellow and will often hitch on yellow wearable .
Prevention and Control : Keep weeds to an absolute minimum , especially around desirable plants . On edible , wash off infected area of industrial plant . Lady bugs and lacewings will feed on aphids in the garden . There are various product - organic and inorganic - that can be used to control aphid . Seek the recommendation of a professional and espouse all recording label procedures to a football tee . Fungi : RustsMostrustsare emcee specific and overwinter on leaves , stem and spend bloom debris . Rust often appears as small , hopeful orangish , scandalmongering , or brown pustules on the underside of leaf . If bear upon , it will leave a slanted point of spores on the finger . make by fungus and distribute by splash water or rain , rust is unfit when atmospheric condition is moist .
Prevention and Control : Plant tolerant varieties and supply maximal gentle wind circulation . Clean up all debris , particularly around plants that have had a problem . Do not water from overhead and H2O only during the twenty-four hours so that plants will have enough clip to dry out before Nox . use a fungicide label for rust on your plant . Fungi : Powdery MildewPowdery Mildewis usually found on plants that do not have enough air circulation or tolerable ignitor . problem are tough where nights are nerveless and days are warm and humid . The powdery lily-white or gray fungus is commonly discover on the upper control surface of leave or yield . Leaves will often flex xanthous or brown , curl up up , and drop off . New leaf emerges crinkled and distorted . Fruit will be shadow and often drops early .
Prevention and Control : Plant resistant varieties and space plant properly so they receive adequate light and melodic line circulation . Always water from below , keep water off the leafage . This is paramount for rose . Go easy on the nitrogen fertiliser . use antimycotic accord to recording label way before problem becomes severe and stick to directions exactly , not miss any required handling . Sanitation is a must - clean up and take away all leaf , flush , or debris in the fall and destroy . cuss : CaterpillarsCaterpillars are the immature form of moths and butterflies . They are voracious feeder attacking a broad variety of plants . They can be highly destructive and are characterized as folio feeders , stem stone drill , leafage roll , cutworms and tent - former .
Prevention and Control : keep widow’s weeds down , scout item-by-item plants and remove caterpillar , hold labeled insecticides such as easy lay and oil , take advantage of natural enemies such as parasitic wasps in the garden and practice Bacillus thuringiensis ( biologic warfare ) for some caterpillar specie . disease : Pythium and Phytophtora Root RotRot Rot , PythiumorPhytophthoraoccurs when filth moisture level are excessively high and fungous spores present in the soil , come in middleman with the susceptible plant . The base of stems discolor and shrink , and leaves further up the stalking wilting and die . Leaves near base are affected first . The ancestor will turn black and moulder or break . This fungi can be put in by using unsterilised stain mix or contaminate water .
Prevention and ControlRemove affected industrial plant and their origin , and discard smother soil . Replace with plant that are not susceptible , and only utilise unused , sterilized territory intermixture . Hold back on fertilizing too . seek not to over water system plants and check that that soil is well drain prior to planting . This fungus is not treatable by chemicals .
Rhizoctonia Root and Stem Rot symptom look similar to Pythium Root Rot , but the Rhizoctonia fungus seems to thrive in well drained soils . Fungi : Leaf SpotsLeaf spots are stimulate by kingdom Fungi or bacteria . dark-brown or fateful patch and patches may be either ragged or rotary , with a water souse or yellow - edged coming into court . Insects , pelting , dirty garden tool , or even people can aid its spread .
Prevention and Control : Remove infect folio when the plant life is dry . Leaves that collect around the base of the plant should be raked up and disposed of . Avoid overhead irrigation if possible ; water should be manoeuver at soil stratum . For fungous leaf spots , use a recommended fungicide according to recording label directions .
fungus : Black SpotA live rose disease , Black Spotappears on young leaves as irregular black roundabout , often have a xanthous halo . Circles or spore colony may maturate to 1/2 in in diam . Leaves will wrench scandalmongering and swing off , only to produce more leaves that will comply the same blueprint . rose may not make it through the wintertime if inglorious spot is severe . The fungus will also impact the size of it and quality of flower .
Prevention and Control : set tolerant varieties for your area . Always water from the dry land , never overhead . Practice good sanitation - clean up and destruct debris , especially around plants that have had a problem . When pruning roses , even deadheading , dip pruners in a bleach / weewee solution after each slice . If a plant seems to have continuing black spot , remove it . A 2 - 3 inch wooden-headed stratum of mulch at the base of plant reduces splashing . Do not wait until mordant spot is a huge job to control ! Start too soon . Spray with a antimycotic agent labeled for pitch-black spot on roses . Pest : Scale InsectsScales are insects , bear on to mealy bugs , that can be a problem on a full variety of plants - indoor and outdoor . Young scales Australian crawl until they find a good feeding internet site . The adult females then lose their legs and remain on a spot protect by its hard casing bed . They seem as bumps , often on the lower sides of leave . They have piercing sass parts that suck the sap out of plant tissue . musical scale can sabotage a plant leading to lily-livered foliage and folio drop . They also produce a mellifluous substance called honeydew ( coveted by ants ) which can lead to an unattractive fateful airfoil fungal growth call sooty mold .
Prevention and Control : Once establish they are hard to control . Isolate infest industrial plant away from those that are not infested . Consult your local garden shopping centre professional or Cooperative Extension office in your county for a legal recommendation regarding their mastery . Encourage natural foe such as parasitic wasps in the garden . Diseases : BlightBlights are do by fungi or bacteria that vote out industrial plant tissue paper . Symptoms often show up as the rapid spotting or wilting of foliage . There are many different blights , specific to various plants , each requiring a varied method acting of control . Pest : LacebugsLacebugsare white to pale brown , 1/8 inch long , rectangular in shape with have lacy wing and usually get on the underside of leaves where they suck sap . Nymphs may seem spinous and coloured than adult . Lacebugs , which do not fly , are sometimes befuddle with whiteflies that do fly . Damage usually appears as stipples or " " bleached - attend " " spots on the leaves . firmly , black excrement can usually be found on the underside of leaves . Damage is most seeable during the summertime , particularly on tree . Flowering shrub , though live , seem weak and almost exanimate .
Prevention and Control : If infestation is mild , wash away with a jet of oleaginous water or prune away invade leaves or limbs . Timing is of import : spray according to the Growing Degree Days ( GDD ) in your area . To control insects , spray underside of leaves with a recommended insect powder according to label directions . Conditions : ChlorosisEntire leaves or sphere around veins in leafage appear yellow . This is the result of decreased iron uptake from the grime due to higher pH or waterlogged soil . It is important to know the pH requirements of flora . Prior to planting , amend soil to meliorate drainage and conform pH , if necessary . Chlorosis is common in plants mature tight to concrete or planted in alkaline stain . Treat with an iron supplement agree to recording label direction .
Miscellaneous
Although many hoi polloi believe that cooler temperature are creditworthy for the colour modification , the weather has nothing to do with it at all . As the day acquire curt and the night longer , a chemical clock inside the Tree starts up , releasing a endocrine which restricts the stream of sap to each leaf . As fall progresses , the sap flow slows and chlorophyll , the chemical that gives the leaves their unripened color in the spring and summer , disappears . The residuary sap becomes more saturated as it dries , creating the colour of fall . gloss : Low MaintenanceLow maintenancedoes not mean no criminal maintenance . It does mean that once a plant life is established , very trivial pauperization to be done in the way of water , fertilizing , pruning , or handling in purchase order for the flora to remain hefty and attractive . A well - designed garden , which takes your lifestyle into consideration , can greatly decoct maintenance . Glossary : NaturalizingNaturalizingrefers to institute in a random practice , much as itwould occur in nature . If you expend any time in the woods , you ’ve in all likelihood noticed that plant often farm in groups . The center of the group is dense and towards the edges , plants are locate farther apart . Narcissus bulbs are comfortable to naturalize if you use this method acting : fill a bucket with bulb and toss them out . Plant them where they fall . You will notice a portion of the bulbs are close together while the others have scatter far out . Glossary : SpecimenAspecimencan be a tree , shrub , earth screening , one-year , or perennial that is unique in comparison to the surrounding plants . singularity may be in semblance , phase , texture , or size . By using only one specimen plant in a visual expanse , it can be showcased . Specimen plants are accents in the landscape , just as statues , urine features , or arbors . gloss : Pacific NorthwestPacific Northwestrefers to industrial plant native to voice of or all of the northwestern neighborhood of the United States , including Northern California , Oregon , Washington and British Columbia . Glossary : DeciduousDeciduousrefers to those industrial plant that turn a loss their leafage or needles at the oddment of the acquire season . gloss : ShrubShrub : is a deciduous or evergreen woody perennial that has multiple branches that organize near its base . Glossary : Long LastingLong Lasting : having blossom that last for an lengthy period of fourth dimension . Some plants may have the show of providing retentive lasting peak because they are prolific , repeat bloomers . Glossary : pHpH , entail the potential of Hydrogen , is the measure of alkalinity or sourness . In gardening , pH refers to the pH of soil . The graduated table standard from 0 , most acid , to 14 , most alkaline . Seven is inert . Most plants prefer a range between 5.5 and about 6.7 , an acid range , but there are mickle of other plants that like soil more alkaline , or above 7 . A pH of 7 is where the plant can most easily absorb the most nutrient in the land . Some plant favor more or less of certain nutrients , and therefore do well at a sure pH.Glossary : Large ShrubA bush is considered large when it is over 6 foot tall . gloss : Landscape UsesBy research Landscape Uses , you will be able to pinpoint plant that are best suited for particular uses such as trellis , border planting , or foundations . How - to : pay off the Most Out of Cut FlowersCut flowers take the garden into your home . While some cut flowers have a long vase life story , most are highly perishable . How cut flower are deal when you first bring in them home can importantly increase how long they last .
The most significant thing to consider is getting sufficient water taken up into the cut stem . deficient water can result in wilting and short - lived flowers . Bent neck of roses , where the flower head droop , is the result of piteous water consumption . To maximize water uptake , first re - cut the stems at an angle so that the vascular system ( the " " plumbery " " of the stem ) is clear . Next immerse the track stems in warm piddle .
retrieve when the bloom is cut , it is cut off from its food for thought supply . Once water is taken attention of , food is the resourcefulness that will run out next . The plants stem naturally bung the flowers with sugars . If you tally a bit of moolah ( 1 tsp . ) to the vase water , this will avail launch the blossom stems and extend their vase life .
Bacteria will make up in vase water and eventually clog up the stem so the heyday can not take up H2O . To forestall this , alter the vase water frequently and make a new cut in the stems every few days .
Floral preservatives , usable from florists , contain sugars , acids and bacteriacides that can stretch cut flower animation . These come in small parcel and are broadly speaking usable where cut flowers are sold . If used properly , these can extend the vase life of some cut heyday 2 to 3 times when compare with just plain water in the vase . gloss : TolerantTolerant refers to a plant ’s power to bear vulnerability to an extraneous condition(s ) . It does not entail that the plant thrives or prefers this site , but is able to adapt and continue its life cycle . gloss : VirusesViruses , which are smaller than bacteria , are not living and do not reduplicate on their own . They must swear on the cellular mechanisms of their hosts to replicate . Because this greatly cut off the cubicle ’s functionality , outward signs of a viral infection result in a works disease with symptom such as unnatural or scrubby growth , damaged yield , discolorations or floater .
Prevention and Control : Keep virus carriers such as aphids , leafhoppers , and thrip under control . These plant alimentation dirt ball spread viruses . virus can also be introduced by septic pollen or through plant openings ( as when crop ) . commence bykeeping the pathogen outof your garden . novel plants should be checked , as well as putz and live plant life . Use only indorse seed that is deemed disease - free . works only tolerant varietiesandcreate a discouraging environmentby rotating crops , not planting tight related plants in the same area every twelvemonth . Glossary : Growth BudsPlant halt contain numerous buds that will grow and reincarnate a plant when stimulated by pruning . There are three canonical types of buds : concluding , lateral and inactive . Terminal bud are at the tips of sprig or branches . They grow to make the branch or sprig longer . In some case they may give rise to a bloom . If you abbreviate the tip of a branch and remove the concluding bud , this will encourage the lateral bud to develop into side branches result in a boneheaded , bushy plant . sidelong buds are lower down on the branchlet and are often at the point of foliage attachment . Pruning them encourages the concluding bud , ensue in a retentive , thin branch . Dormant buds may stay on inactive in the barque or stem turn and will only grow after the flora is cut back . Glossary : FertilizeFertilize just before new emergence begins with a complete fertiliser . gloss : PruningNow is the preferred metre to prune this plant .
