Dense , twiggy , dwarf , semi - evergreen shrub that is native to the mountaintops of Kyushu Island , Japan . R. kiusianum has also been known as R. indicum amoenum and R. obtusum f. japonicum . Hardy to 0 degree F. Leaves are small-scale , obovate , dark honey oil , 1/4 to 3/4 column inch long . Flowers are pocket-size , defy in trusses of 2 to 3 per cluster , and tolerate from mid to late spring . effective adapted to full sun . Beautiful implant in containers , rock gardens and in drifts at the front of a shrub border . Prune now after flower so you wo n’t cut off any of next year ’s flower buds . good if not sheared . flora as you would any of the other azaleas : high and in well - debilitate , acidulent soil , rich with organic matter . Though azaleas have a potentially expectant listing of potential gadfly and disease problems , they are unremarkably trouble devoid if plant aright in right cultural status .
Google Plant Images : cluck here !
Characteristics
Requirements
Plant Care
Fertilizing
Light
You will point out that sun and nicety pattern exchange during the twenty-four hour period . The western side of a house may even be shady due to shadows contrive by large trees or a social organization from an adjacent property . If you have just bought a novel home or just commence to garden in your older home , take time to map sunshine and nicety throughout the twenty-four hours . You will get a more precise feeling for your site ’s true unclouded weather . weather : Filtered LightFor many flora that choose partially shady conditions , dribble lightis ideal . Good planting situation are under a mid to with child sized tree that lets some light through their branches or beneath tall plants that will provide some protection . Conditions : Partial Sun , Partial ShadePart sunorpart shadeplants prefer Inner Light that is filtered . Sunlight , though not lineal , is crucial to them . Often morning sun , because it is not as secure as good afternoon sunshine , can be considered part sun or part tad . If you live in an area that does not get much intense Sunday , such as the Pacific Northwest , a full sunlight exposure may be ok . In other areas such as Florida , works in a location where afternoon shade will be received . Conditions : Full to Partial SunFull sunlightis needed for many plants to adopt their full potential . Many of these industrial plant will do fine with a little less sunlight , although they may not bloom as hard or their foliage as vivacious . region on the southerly and westerly sides of buildings usually are the gay . The only exclusion is when houses or buildings are so skinny together , shadow are regurgitate from neighboring place . Full sun usually mean 6 or more minute of direct unobstructed sunlight on a sunny day . fond Dominicus receive less than 6 hour of sunlight , but more than 3 hours . Plants able to take full sunlight in some climates may only be capable to tolerate part sun in other climates . experience the polish of the plant before you buy and plant it!Conditions : Types of PruningTypes of pruning include : pinching , cutting , shearing and rejuvenating .
Pinching is remove the theme tips of a vernal industrial plant to upgrade branching . Doing this fend off the need for more knockout pruning later on .
Thinning involves removing whole branches back to the trunk . This may be done to open up the interior of a plant to let more spark in and to increase air circulation that can switch off down on plant disease . The best room to begin cutting is to begin by removing idle or pathologic wood .
Shearing is leveling the airfoil of a shrub using paw or electrical shear . This is done to keep the want shape of a hedge or topiary .
Rejuvenating is removal of sometime branches or the overall diminution of the sizing of a shrub to restore its original mannequin and size . It is recommended that you do not transfer more than one third of a plant at a prison term . think to remove outgrowth from the inside of the plant life as well as the outside . When rejuvenating plant life with canes , such as nandina , cut back back cane at various pinnacle so that plant will have a more natural look . Conditions : Light and Plant SelectionFor best plant life performance , it is desirable to match the right plant with the available light stipulation . Right plant life , right office ! Plants which do not receive sufficient brightness level may become pale in vividness , have few leaves and a " leggy " stretch - out appearance . Also expect plants to get tiresome and have few flower when light is less than desirable . It is possible to provide supplementary firing for indoor plants with lamps . Plants can also get too much luminosity . If a shadiness loving plant is exposed to direct sun , it may droop and/or cause leaves to be sunburned or otherwise damaged . Conditions : Full SunFull Sunis defined as exposure to more than 6 hours of continuous , lineal sun per day .
Watering
The Florida key to tearing is weewee deeply and less oft . When watering , water well , i.e. ply enough water to exhaustively impregnate the origin lump . With in - terra firma industrial plant , this means thoroughly soaking the land until water has penetrated to a depth of 6 to 7 inch ( 1 ' being good ) . With container grown plant , apply enough water to allow water to flow through the drainage holes .
stress to irrigate plant early in the day or afterward in the afternoon to conserve water and cut down on plant life stress . Do water betimes enough so that water has had a chance to dry from flora leaves prior to dark declination . This is paramount if you have had fungus problem .
Do n’t wait to water until plant wilt . Although some plant will recover from this , all plants will break down if they wilt too much ( when they pass the permanent wilting point ) .
look at body of water conservation methods such as drip irrigation , mulching , and xeriscaping . drip mold scheme which tardily dribble moisture right away on the root system can be buy at your local home and garden nerve center . mulch can significantly chill the base zona and conserve moisture .
Consider adding water system - saving gels to the root zone which will hold a reserve of water for the plant life . These can make a world of conflict especially under stressful conditions . Be sealed to follow label directions for their role .
Conditions : Normal Watering for Outdoor PlantsNormal wateringmeans that land should be kept equally moist and water regularly , as conditions need . Most plants like 1 inch of water a week during the growing season , but take charge not to over water . The first two years after a flora is set up , regular watering is important for constitution . The first year is critical . It is respectable to water once a week and weewee deeply , than to urine frequently for a few minutes .
Planting
A workweek to 10 days before planting , add 2 to 4 inches of aged manure or compost and work into the planting site to meliorate natality and increase water retention and drainage . If ground composition is weak , a layer of topsoil should be regard as well . No matter if your soil is George Sand or clay , it can be amend by adding the same affair : organic matter . The more , the in force ; work deeply into the land . Prepare bed to an 18 inch cryptic for perennial . This will seem like a frightful amount of piece of work now , but will greatly bear off later . Besides , this is not something that is easily done later , once plants have been established . How - to : Planting BulbsPlant bulbsat a deepness that is three sentence their peak , and at least 1 - 1/2 bulb - widths aside . do work a slight bone meal fertiliser into the bottom of your hole , and then place the electric light upright in the hole . The more pointed goal is almost always the top . If you have trouble secernate which is the top , look for evidence of where a stem or roots were last year . If in incertitude , plant them sideways . fulfil in with land softly , verify there are no rock or glob that would impede the bulb ’s stem . When plant a great number of bulbs , hollow out an area to the specified profoundness , place bulbs and replace soil . This ensure that ground has been properly prepared and bulb are equally space .
Plant bulb in instinctive heading rather that conventional rows : bulb can break down or be eaten , leave trap in a formal arrangement , or will change with freeze and thawing . If you have trouble with gophers or squirrels rust your bulb , try sprinkling reddish Piper nigrum in the muddle , hide the bulbs with chicken - telegram , surround bulbs with sharp sherd of gravel or other nub , or plant rodent - fight off bulbs likeFritillarianearby . How - to : Pruning Flowering ShrubsIt is necessary toprune your deciduous flowering shrubfor two reasons : 1 . By remove onetime , discredited or utter wood , you increase air flow , yielding in less disease . 2 . You rejuvenate new growth which increase flower production .
Pruning deciduous shrub can be divided into 4 groups : Those that requireminimal pruning(take out only drained , diseased , damaged , or scotch branches , can be done in early spring.);spring pruning(encourages vigorous , new development which produces summer efflorescence - in other words , flowers come out on new wood);summer cut after flower(after flowering , cut back shoots , and take out some of the old increment , down to the ground);suckering substance abuse pruning(flowers appear on wood from previous class . Cut back flowered shank by 1/2 , to strong develop new shoots and take away 1/2 of the flowered stems a twosome of inches from the primer ) Always move out dead , damaged or pathological Mrs. Henry Wood first , no matter what eccentric 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 . Summer 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 size of the root egg and deep enough to plant at the same degree the shrub was in the container . If ground is short , dig hole even wider and fill with a mixture half original territory and half compost or soil amendment .
Carefully remove bush from container and gently separate roots . Position in essence of mess , best side facing forward . Fill in with original soil or an amended miscellanea if demand as described above . For larger shrubs , establish a water well . Finish by mulching and irrigate well .
If the industrial plant is ball - and - burlapped , remove fixing and shut down back the top of natural gunny , tucking it down into jam , after you ’ve set shrub . ensure that all burlap is bury so that it wo n’t wick water away from rootball during hot , dry period . If synthetic burlap , remove if possible . If not potential , cut away or make slit to allow for roots to develop into the young grime . For large shrubs , make a piddle well . Finish by mulch and water well .
If shrub is scanty - root , look for a discoloration somewhere near the cornerstone ; this mark is likely where the dirt transmission line was . If soil is too sandy or too clayey , add organic subject . This will aid with both drainage and water property capacity . Fill land , firm just enough to endorse bush . Finish by mulching and water well . How - to : Preparing ContainersContainersare first-class when used as an cosmetic feature , a planting choice when there is little or no soil to embed in , or for industrial plant that ask a ground character not found in the garden or when soil drainage in the garden is inferior . If growing more than one works in a container , check that that all have similar cultural requirements . Choose a container that is cryptic and enceinte enough to give up root ontogenesis and growth as well as proportional balance between the amply grow plant and the container . establish big container in the place you destine them to outride . All containers should have drain fix . A meshwork screen , broken clay tidy sum pieces(crock ) or a paper coffee filter post over the hole will keep grease from wash out . The potting grease you select should be an appropriate mix for the plants you have chosen . Quality soil ( or soil - less medias ) absorb wet promptly and equally when wet . If water hightail it off soil upon initial making water , this is an index that your soil may not be as good as you think .
Prior to filling a container with soil , wet potting dirt in the dish or position in a tub or garden cart so that it is evenly moist . satisfy container about halfway full or to a level that will reserve plants , when planted , to be just below the rim of the throne . Rootballs should be level with ground ancestry when project is pure . pee well .
Problems
Possible controls : keep weeds down ; use screening in windows to keep them out ; absent overrun plants by from non - infested plants ; utilize a reflective mulch ( atomic number 13 foil ) under plant ( this repels whiteflies ) ; lying in wait with yellow sticky cards , apply labeled pesticides ; advance natural enemy such as epenthetic wasps in the garden ; and sometimes a honorable steady shower of H2O will wash them off the works . Pest : AphidsAphids are lowly , soft - bodied , slow - moving worm that suck fluids from plants . Aphidscome in many colors , pasture from green to brown to black , and they may have offstage . They snipe a wide mountain range of works mintage induce aerobatics , deformed leaves and buds . They can transmit harmful works viruses with their piercing / sucking mouthparts . Aphids , generally , are merely a nuisance , since it takes many of them to induce serious plant life terms . However aphids do bring on a sweet sum cry honeydew ( covet by ants ) which can result to an untempting shameful surface maturation call in sooty mold .
Aphids can increase quickly in Book of Numbers and each female person can acquire up to 250 live nymphs in the course of a calendar month without union . Aphids often seem when the environment deepen - spring & fall . They ’re often mass at the crown of branches feeding on lush tissue paper . Aphids are draw to the color yellow and will often hitch on chickenhearted vesture .
Prevention and Control : Keep locoweed to an inviolable lower limit , especially around desirable plants . On edible , wash off off infect area of plant . ma’am bugs and lacewings will feed on aphids in the garden . There are various intersection - constituent and inorganic - that can be used to control aphids . Seek the good word of a professional and follow all label procedure to a tee . Fungi : RustsMostrustsare host specific and overwinter on leafage , staunch and spent flush debris . Rust often appear as small , bright orangish , yellow , or brownish pustules on the bottom of leaves . If touch , it will go forth a coloured spot of spore on the digit . because of kingdom Fungi and overspread by splashing water or rainfall , rusting is worse when weather is moist .
Prevention and Control : Plant resistant diverseness and provide maximal air circulation . houseclean up all detritus , especially around plants that have had a trouble . Do not water from command overhead and water only during the daytime so that plants will have enough time to dry before dark . Apply a fungicide labeled for rust on your plant . Fungi : Powdery MildewPowdery Mildewis usually found on works that do not have enough melodic line circulation or adequate visible light . Problems are tough where Night are cool and day are warm and humid . The powdery white or grizzly fungus is usually find out on the upper Earth’s surface of leaves or fruit . Leaves will often turn yellow or brown , curl up , and dangle off . Modern foliage emerges crinkled and distorted . Fruit will be dwarf and often sink too soon .
Prevention and Control : constitute immune varieties and space works decently so they get equal light and air circulation . Always weewee from below , keep water off the foliation . This is paramount for roses . Go tardily on the nitrogen plant food . Apply antifungal agent accord to label directions before job becomes severe and be charge on the button , not escape any need treatments . Sanitation is a must - clean house up and remove all leaf , blossom , or rubble in the declension and destroy . plague : CaterpillarsCaterpillars are the young form of moths and butterflies . They are voracious birdfeeder attacking a wide variety of plant . They can be highly destructive and are characterize as leaf feeders , stem borers , folio rollers , cutworm and tent - formers .
Prevention and Control : keep weed down , scout individual plants and remove caterpillars , apply label insecticides such as soaps and rock oil , take reward of born enemies such as bloodsucking wasps in the garden and use Bacillus thuringiensis ( biologic warfare ) for some caterpillar species . disease : Pythium and Phytophtora Root RotRot Rot , PythiumorPhytophthoraoccurs when stain moisture levels are excessively eminent and fungal spore present in the soil , come in contact with the susceptible plant . The base of stem discolor and flinch , and will further up the shuck wilt disease and die . leaf near base are affected first . The tooth root will wrick black and rot or break . This fungi can be introduce by using unsterilised soil mix or contaminated water supply .
Prevention and ControlRemove affected plants and their roots , and discard surrounding grunge . Replace with plants that are not susceptible , and only expend fresh , sterilized filth mix . Hold back on fertilizing too . Try not to over water plants and check that that dirt is well drained prior to constitute . This fungus is not treatable by chemicals .
Rhizoctonia Root and Stem Rot symptoms face similar to Pythium Root Rot , but the Rhizoctonia fungus seems to thrive in well drained soils . pestilence : Scale InsectsScales are insects , relate to mealy bugs , that can be a problem on a all-embracing potpourri of plant - indoor and out-of-door . Young scale crawl until they find a good feeding site . The adult females then lose their legs and remain on a spot protected by its hard shell layer . They appear as bumps , often on the lower side of parting . They have piercing mouth portion that suck up the sap out of industrial plant tissue paper . Scales can weaken a industrial plant leading to yellow foliage and leaf drop . They also produce a sweet heart call honeydew ( coveted by emmet ) which can lead to an untempting black surface fungal maturation called jet mildew .
Prevention and Control : Once demonstrate they are hard to control . Isolate infest plants aside from those that are not infested . confer your local garden center professional or Cooperative Extension office in your county for a effectual recommendation regarding their controller . advance lifelike opposition such as parasitic wasps in the garden . Diseases : BlightBlights are get by fungi or bacterium that kill plant tissue . Symptoms often show up as the rapid staining or wilting of foliation . There are many different blights , specific to various plants , each requiring a wide-ranging method of command . Pest : LacebugsLacebugsare lily-white to pale brown , 1/8 inch long , rectangular in bod with have lacy wing and usually found on the underside of leaves where they fellate sap . Nymphs may come along burred and disconsolate than adult . Lacebugs , which do not fly , are sometimes confuse with whiteflies that do fly . Damage usually look as stipples or " " bleached - looking " " spot on the leaf . severely , bleak excrement can usually be find on the bottom of leaves . Damage is most seeable during the summer , especially on trees . Flowering shrubs , though alert , appear weak and almost lifeless .
Prevention and Control : If plague is mild , moisten off with a blue jet of soapy body of water or prune off overrun leave or tree branch . Timing is significant : spray according to the Growing Degree Days ( GDD ) in your area . To control louse , spray underside of leaves with a recommended insecticide according to recording label directions . stipulation : ChlorosisEntire leaves or area around veins in leaves appear yellow . This is the outcome of decreased branding iron intake from the soil due to higher pH or waterlogged grease . It is significant to know the pH requirements of plants . Prior to planting , amend soil to improve drain and adjust pH , if necessary . Chlorosis is common in plants growing close to concrete or planted in alkaline stain . Treat with an iron supplement fit in to label directions .
Miscellaneous
Although many hoi polloi conceive that cooler temperature are responsible for the color alteration , the weather has nothing to do with it at all . As the days grow little and the nights longer , a chemical substance clock inside the trees commence up , releasing a internal secretion which restricts the flow of sap to each foliage . As fall progresses , the sap flow slows and chlorophyll , the chemical substance that gives the leaf their green colouration in the spring and summertime , disappear . The residual muggins becomes more concentrated as it dries , creating the colors of fall . Glossary : Low MaintenanceLow maintenancedoes not mean no maintenance . It does mean that once a works is give , very little needs to be done in the way of water , fertilizing , pruning , or handling in order for the plant to stay healthy and attractive . A well - designed garden , which takes your lifestyle into consideration , can greatly reduce maintenance . gloss : NaturalizingNaturalizingrefers to planting in a random shape , much as itwould occur in nature . If you pass any clock time in the woods , you ’ve probably comment that plant life often grow in groups . The center of the mathematical group is dense and towards the edge , plants are located farther apart . Narcissus bulbs are light to naturalize if you employ this method : fulfil a bucketful with bulbs and thresh about them out . implant them where they accrue . You will notice a portion of the bulbs are snug together while the others have scattered far forth . Glossary : Pacific NorthwestPacific Northwestrefers to plant native to parts of or all of the northwesterly realm of the United States , including Northern California , Oregon , Washington and British Columbia . Glossary : Semi - EvergreenSemi - Evergreen : a flora that retains some or most of its leaf throughout the year . Glossary : ShrubShrub : is a deciduous or evergreen woody perennial that has multiple branch that form near its root . Glossary : Long LastingLong Lasting : having blossoms that last for an extended period of time . Some plants may have the appearing of providing long endure flowers because they are prolific , repetition bloomers . Glossary : pHpH , means the potential drop of Hydrogen , is the measure of alkalinity or acidulousness . In horticulture , pH refers to the pH of soil . The scale measures from 0 , most acid , to 14 , most alkaline . Seven is neutral . Most plants prefer a range between 5.5 and about 6.7 , an acid mountain chain , but there are plenty of other works that like soil more alkaline , or above 7 . A pH of 7 is where the plant can most easily absorb the most nutrients in the soil . Some plant life choose more or less of sure nutrients , and therefore do better at a sure pH.Glossary : Medium ShrubA intermediate bush is generally between 3 and 6 groundwork tall . Glossary : Landscape UsesBy searching Landscape Uses , you will be capable to nail plants that are well suit for particular USA such as trellises , borderline planting , or foundations . How - to : Getting the Most Out of Cut FlowersCut blossom bring the garden into your home base . While some cut flowers have a long vase life , most are extremely perishable . How disregard flower are treated when you first bring them home can significantly increase how long they last .
The most important affair to consider is develop sufficient water taken up into the stinger stem . Insufficient water can result in wilting and shortly - lived flowers . Bent neck of roses , where the flower nous droops , is the termination of pathetic piss intake . To maximize water consumption , first re - cut the stems at an angle so that the vascular system of rules ( the " " plumbing " " of the stem ) is clear . Next immerse the cut stems in tender water .
Remember when the flush is cut , it is cut off from its food supply . Once water supply is hire caution of , food is the imagination that will run out next . The plants stems naturally eat the flowers with moolah . If you tally a bit of sugar ( 1 tsp . ) to the vase water , this will help give the efflorescence stem and offer their vase life .
bacterium will build up up in vase water and finally clog up the radical so the flower can not take up urine . To prevent this , change the vase water oft and make a new cut in the stem every few days .
flowered preservatives , available from florists , contain sugars , acids and bacteriacides that can pass cut flush life . These come in small packets and are broadly speaking uncommitted where cut flowers are sold . If used the right way , these can extend the vase life of some cut flush 2 to 3 times when compared with just bare water in the vase . Glossary : TolerantTolerant refers to a plant ’s ability to endure exposure to an external condition(s ) . It does not intend that the plant flourish or prefer this spot , but is able to accommodate and continue its life cycle . gloss : VirusesViruses , which are minor than bacterium , 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 disrupts the cell ’s functionality , outward signs of a viral infection result in a plant life disease with symptoms such as unnatural or stunted growth , damage yield , discolorations or maculation .
Prevention and Control : Keep virus carrier such as aphid , leafhoppers , and thripid under control . These plant alimentation insects spread virus . virus can also be introduced by septic pollen or through works gap ( as when clip ) . Begin bykeeping the pathogen outof your garden . New plant should be checked , as well as dick and existing plants . Use only certify germ that is deemed disease - complimentary . flora only resistant varietiesandcreate a discouraging environmentby rotating crop , not engraft closely related plants in the same field every class . gloss : Growth BudsPlant stems contain numerous buds that will uprise and reincarnate a plant when stimulate by pruning . There are three canonical types of bud : terminal , lateral and dormant . Terminal bud are at the tips of twigs or branches . They mature to make the branch or twig longer . In some slip they may give raise to a bloom . If you geld the tip of a branch and slay the terminal bud , this will encourage the lateral bud to get into side branches resulting in a thicker , bushier plant . sidelong bud are lower down on the twig and are often at the point of leaf attachment . Pruning them encourages the concluding bud , resulting in a recollective , thin branch . Dormant buds may continue dormant in the barque or root word and will only grow after the plant is make out back . Glossary : Ground CoverAground coveris any lowly growing plant that is planted in a mass to get across the priming . bush , vine , perennials , and annuals can all be considered primer covers if they are grouped in this manner . Ground covers can deck an area , facilitate reduce soil corroding , and the need to weed . gloss : FertilizeFertilize just before fresh growth begins with a concluded fertiliser . Glossary : PruningNow is the preferred time to prune this plant .
