‘ Amoenum ’ is listed as a Kirishimi Azalea and clone of R. ‘ Obtusum , ’ which was formerly considered a species but is now reckon as of intercrossed origin . ‘ Amoenum ’ is also the origin of a grouping called the Amoena Hybrids developed in the 19th century . Upright , spreading , heavy evergreen shrub with small , oval leave of absence . pry for clusters of lowly , profuse spring prime that literally cover the industrial plant . good adapted to fond sun and well - drained , sulphurous soil . Beautiful found in generous , strong dyed drift along egde of Wood . skilful if not shear . Though azalea have a potentially large tilt of potential pest and disease trouble , they are usually trouble free if establish correctly in proper cultural condition .
Google Plant Images : click here !
Characteristics
Requirements
Plant Care
Fertilizing
Light
Pinching is dispatch the theme tips of a young industrial plant to promote ramify . Doing this avoids the need for more severe pruning after on .
cutting involve removing whole outgrowth back to the tree trunk . This may be done to open up the interior of a industrial plant to let more light in and to increase air circulation that can cut down on plant disease . The best elbow room to begin thinning is to start by removing dead or diseased wood .
Shearing is take down the surface of a shrub using hand or galvanic shear . This is done to maintain the desired shape of a hedging or topiary .
Rejuvenating is remotion of old branches or the overall reduction of the size of a bush to repair its original chassis and size . It is recommended that you do not remove more than one third of a plant at a clock time . Remember to remove branches from the inside of the industrial plant as well as the exterior . When rejuvenating flora with canes , such as nandina , cut back canes at various heights so that plant will have a more raw feeling .
Watering
The Florida key to watering is water deep and less often . When watering , water well , i.e. provide enough weewee to thoroughly saturate the stem ball . With in - land plant , this means thoroughly intoxicate the soil until water has penetrated to a depth of 6 to 7 in ( 1 ' being good ) . With container grown plant , use enough water to allow body of water to flow through the drain gob .
endeavor to irrigate plants early in the daylight or afterwards in the good afternoon to preserve water and cut down on plant accent . Do water early enough so that water has had a chance to dry out from plant leaf prior to night twilight . This is paramount if you have had fungus job .
Do n’t wait to water until plants wilt . Although some plant will recover from this , all plants will decease if they droop too much ( when they reach the permanent wilting breaker point ) .
study water preservation methods such as drip irrigation , mulching , and xeriscaping . Drip scheme which slowly drop wet directly on the root scheme can be purchase at your local habitation and garden center . Mulches can importantly cool the root zone and conserve moisture .
see add together urine - saving gels to the ancestor zona which will hold a reserve of water for the plant . These can make a world of deviation particularly under stressful conditions . Be certain to follow label focussing for their use .
condition : Normal Watering for Outdoor PlantsNormal wateringmeans that dirt should be kept evenly moist and watered regularly , as condition require . Most plants like 1 column inch of urine a week during the grow time of year , but take care not to over water . The first two eld after a flora is installed , veritable watering is important for formation . The first year is critical . It is better to water once a week and water deeply , than to urine oftentimes for a few bit .
Planting
Pruning deciduous shrub can be divided into 4 groups : Those that requireminimal pruning(take out only dead , diseased , damaged , or crossed limb , can be done in former spring.);spring pruning(encourages vigorous , unexampled growth which bring about summertime flowers - in other Book , flower appear on newfangled wood);summer pruning after flower(after flowering , reduce back shoots , and take out some of the old growth , down to the ground);suckering drug abuse pruning(flowers appear on Sir Henry Wood from former year . Cut back flowered stems by 1/2 , to potent growing new shoots and move out 1/2 of the flowered halt a distich of column inch from the earth ) Always take away dead , damaged or diseased wood first , no matter what eccentric of pruning you are doing .
Examples : Minimal : Amelanchier , Aronia , Chimonanthus , Clethra , Cornus alternifolia , Daphne , Fothergilla , Hamamelis , Poncirus , Viburnum . give : 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 sizing of the solution ball and deep enough to plant at the same layer the bush was in the container . If soil is poor , dig hole even wide and fill with a concoction half original dirt and half compost or soil amendment .
Carefully hit shrub from container and lightly separate roots . Position in center of hole , good side face forward . replete in with original grunge or an amended concoction if needed as described above . For larger bush , progress a weewee well . Finish by mulching and watering well .
If the plant is balled - and - burlapped , take away fasteners and close back the top of natural burlap , pucker it down into hollow , after you ’ve positioned shrub . Make indisputable that all burlap is swallow so that it wo n’t wick H2O out from rootball during hot , dry periods . If synthetic burlap , remove if potential . If not possible , shorten away or make slits to allow for roots to develop into the new soil . For larger bush , work up a H2O well . Finish by mulching and watering well .
If shrub is bare - root , look for a discoloration somewhere near the fundament ; this mark is potential where the dirt line was . If soil is too arenaceous or too clayey , tally constitutional thing . This will help with both drainage and water retention capacity . Fill filth , firming just enough to endure bush . Finish by mulch and water well .
Problems
Prevention and Control : Isolate infested plants from those that are not . Consult your local garden center professional or the Cooperative Extension office in your county for a legal insecticide / chemical substance testimonial . Encourage lifelike enemies such as lady beetles in the garden to serve reduce universe levels of mealy bugs . Pest : WhitefliesWhitefliesare small , wing insects that take care like tiny moth , which attack many type of plants . The flying grownup phase prefers the bottom of leaves to feed and breed . whitefly can multiply quickly as a female person can lay up to 500 eggs in a life span of 2 months . If a plant is infested with whiteflies , you will see a cloud of flee insects when the flora is disturbed . Whiteflies can weaken a plant , finally lead to plant death if they are not check . They can transmit many harmful plant viruses . They also produce a sweet substance called honeydew ( coveted by ants ) which can go to an untempting black surface fungal growth called sooty mold .
Possible controls : keep weeds down ; use sieve in windows to keep them out ; withdraw infest works away from non - infested plants ; use a ruminative mulch ( aluminium foil ) under plants ( this repels whitefly ) ; trap with yellow pasty bill of fare , apply labeled pesticides ; promote instinctive foe such as parasitic white Anglo-Saxon Protestant in the garden ; and sometimes a unspoiled steady shower of water will wash them off the plant . Pest : AphidsAphids are small , easygoing - bodied , behind - moving insects that suck fluids from plants . Aphidscome in many vividness , ranging from green to brown to ignominious , and they may have wing . They attack a wide image of plant life species causing acrobatics , wring leave and bud . They can carry harmful industrial plant virus with their pierce / suck mouthparts . Aphids , in the main , are merely a nuisance , since it takes many of them to cause serious industrial plant damage . However aphid do bring about a odorous inwardness called honeydew ( coveted by ants ) which can lead to an unattractive blackened airfoil growth call sooty moulding .
Aphids can increase quickly in numbers and each female person can get up to 250 live nymphs in the course of a month without coupling . Aphids often appear when the environs changes - spring & fall . They ’re often massed at the tips of branches feeding on succulent tissue paper . aphid are attracted to the color yellow and will often hitchhike on yellow clothing .
Prevention and Control : Keep sens to an absolute minimum , especially around desirable plants . On edibles , wash off infected area of industrial plant . Lady bug and lacewings will feast on aphids in the garden . There are various products - organic and inorganic - that can be used to hold in aphids . Seek the recommendation of a professional and keep up all label procedure to a tee . Fungi : RustsMostrustsare innkeeper specific and overwinter on leaves , stem and drop flower debris . Rust often appear as minor , burnished orange , yellow , or brownish pustule on the bottom of leaf . If touched , it will leave a coloured spot of spores on the digit . because of fungus kingdom and spread by splashing water or rain , rust is unsound when weather is moist .
Prevention and Control : imbed repellent salmagundi and provide maximum air circulation . Clean up all junk , particularly around plants that have had a job . Do not water from overhead and water only during the day so that plant life will have enough time to dry before night . practice a fungicide pronounce for rusting on your flora . Fungi : Powdery MildewPowdery Mildewis usually chance on plants that do not have enough air circulation or passable light . Problems are spoilt where nights are coolheaded and Clarence Shepard Day Jr. are lovesome and humid . The powdery snowy or gray fungus is normally found on the upper surface of leaves or fruit . leave-taking will often turn yellow or browned , draw in up , and drop down off . unexampled foliage emerges crinkled and distorted . Fruit will be overshadow and often drops early .
Prevention and Control : engraft repellent varieties and distance plants properly so they incur adequate light and air circulation . Always water from below , keeping water off the foliage . This is preponderating for rosebush . Go tardily on the nitrogen fertilizer . Apply antifungal accord to recording label directions before trouble becomes severe and follow guidance on the button , not missing any want treatment . Sanitation is a must - clean up and murder all farewell , flush , or debris in the fall and put down . Pest : CaterpillarsCaterpillars are the immature form of moths and butterfly . They are ravenous feeders assault a wide variety of plant . They can be extremely destructive and are characterized as leafage feeders , stem rock drill , foliage crimper , cutworms and tent - formers .
Prevention and Control : keep green goddess down , watch single plants and remove Caterpillar , use labeled insect powder such as soaps and oil , take vantage of natural enemy such as parasitical wasps in the garden and practice Bacillus thuringiensis ( biologic war ) for some caterpillar species . disease : Pythium and Phytophtora Root RotRot Rot , PythiumorPhytophthoraoccurs when grime wet levels are excessively high and fungous spores present in the soil , arrive in contact with the susceptible plant . The base of stem discolor and shrink , and leaves further up the stalk wilting and pass . Leaves near root word are touch on first . The roots will turn black-market and decompose or break . This fungi can be introduce by using unsterilized soil mixture or contaminated water .
Prevention and ControlRemove touch plants and their stem , and discard environ soil . Replace with plants that are not susceptible , and only utilise fresh , sterilise filth mix . Hold back on fertilizing too . Try not to over water plants and make trusted that soil is well drained prior to plant . This fungus is not treatable by chemicals .
Rhizoctonia Root and Stem Rot symptoms look standardized to Pythium Root Rot , but the Rhizoctonia fungus seems to expand in well drain soils . disease : BlightBlights are stimulate by fungi or bacteria that kill plant tissue . Symptoms often show up as the speedy spotting or droop of foliage . There are many different blights , specific to various plants , each requiring a wide-ranging method acting of ascendance . Pest : LacebugsLacebugsare white to pale brown , 1/8 column inch long , orthogonal in shape with have lacy wing and commonly found on the undersurface of leaves where they suck sap . Nymphs may appear burry and dark than adults . Lacebugs , which do not aviate , are sometimes confused with whitefly that do fly . impairment usually appears as stipples or " " bleached - depend " " spots on the leaves . heavily , black excrement can unremarkably be rule on the underside of leaves . legal injury is most visible during the summertime , peculiarly on tree . Flowering bush , though alive , seem weak and almost exanimate .
Prevention and Control : If plague is modest , wash away with a honey oil of soapy water system or prune away infested leaves or limb . Timing is authoritative : spray according to the Growing Degree Days ( GDD ) in your area . To control insects , spray underside of leave-taking with a commend insecticide grant to recording label directions . Conditions : ChlorosisEntire leaves or area around veins in leaves appear yellow . This is the final result of diminish iron intake from the soil due to higher pH or waterlogged land . It is important to acknowledge the pH requirements of plant . Prior to planting , amend soil to better drainage and adjust pH , if necessary . greensickness is common in plants growing nigh to concrete or plant in alkaline grunge . Treat with an Fe supplement according to label directions .
Miscellaneous
The most of import matter to consider is getting sufficient water supply taken up into the cut stem . Insufficient water can leave in wilting and abruptly - know flowers . Bent neck of blush wine , where the bloom head droop , is the result of short water uptake . To maximize water uptake , first re - cut the stems at an slant so that the vascular system ( the " " plumbing " " of the fore ) is light . Next immerse the cutting stems in warm water .
Remember when the flower is cut , it is reduce off from its nutrient provision . Once water is taken tending of , food is the resource that will melt down out next . The plants stems naturally feed the flowers with sugars . If you add a number of sugar ( 1 tsp . ) to the vase H2O , this will help feed the flower stems and continue their vase life .
Bacteria will build up in vase piddle and eventually clog up the stem so the flower can not take up pee . To prevent this , alter the vase water frequently and make a Modern cutting in the stem every few day .
Floral preservative , available from florists , contain lolly , acids and bacteriacides that can extend cut bloom life story . These come in small mailboat and are generally useable where cut flowers are sell . If used properly , these can continue the vase life of some cut peak 2 to 3 times when compared with just plain water in the vase . Glossary : TolerantTolerant name to a plant ’s ability to tolerate exposure to an external condition(s ) . It does not mean that the plant fly high or prefers this office , but is able to adapt and go on its life oscillation . Glossary : 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 prison cell ’s functionality , outward signs of a viral contagion result in a plant disease with symptom such as unnatural or stunted growth , damage fruit , discolorations or spots .
Prevention and Control : Keep virus bearer such as aphids , leafhopper , and thrips under control . These plant feeding insect spread virus . Viruses can also be introduced by infected pollen or through industrial plant opening ( as when pruning ) . Begin bykeeping the pathogen outof your garden . New plants should be jibe , as well as tools and existing industrial plant . Use only certify seed that is deemed disease - free . flora only resistant varietiesandcreate a discouraging environmentby rotating crops , not planting closely related plant in the same area every yr . Glossary : Growth BudsPlant stems hold legion bud that will maturate and renew a plant when stimulated by pruning . There are three basic type of buds : final , sidelong and dormant . Terminal bud are at the tips of twigs or branches . They mature to make the outgrowth or twig longer . In some case they may give ascension to a flower . If you sheer the steer of a branch and remove the terminal bud , this will promote the lateral bud to rise into side branch resulting in a thicker , bushier plant life . sidelong bud are blue down on the twig and are often at the period of leaf affixation . Pruning them encourages the terminal bud , result in a farseeing , thin limb . Dormant bud may stay on dormant in the bark or root word and will only grow after the plant is cut back . Glossary : FertilizeFertilize just before new ontogeny start with a complete fertilizer . Glossary : PruningNow is the pet time to prune this plant life .
