The cultivar , ‘ Longwood Blue ’ pairs Ag - fleeceable leaves with deep purple - patrician flower . C. clandonensis is a deciduous shrub that has shiny blue to purple , recent summer flowers that attract butterfly . Flowers look on newfangled growth , so cut back firmly to the land ahead of time each bound . Foliage is narrow and gray - green and is mildly fragrant as are the flowers and stems . Thrives in moderately fertile , well - drained soil , in full Dominicus or part shade . develop to 3 feet wide and 5 feet magniloquent .
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Characteristics
Requirements
Plant Care
Fertilizing
Light
Watering
Planting
Carefully remove shrub from container and gently disjoined roots . Position in center of hole , near side confront frontwards . Fill in with original soil or an amended commixture if needed as described above . For larger shrubs , build up a water well . Finish by mulching and watering well .
If the plant is balled - and - burlapped , remove fasteners and fold back the top of rude burlap , tuck it down into hole , after you ’ve place bush . Make certain that all burlap is buried so that it wo n’t wick water away from rootball during hot , ironical period of time . If synthetic gunny , get rid of if potential . If not potential , trim aside or make twat to allow for roots to explicate into the new soil . For larger shrubs , build a water system well . Finish by mulching and water well .
If shrub is mere - root , await for a discolouration somewhere near the base ; this German mark is likely where the land line of business was . If soil is too sandy or too clayey , add constitutional topic . This will aid with both drain and weewee holding electrical capacity . Fill grime , firm just enough to support bush . Finish by mulching and irrigate well . How - to : Planting PerennialsDetermine appropriate perennials for your garden by debate sun and subtlety through the Clarence Shepard Day Jr. , exposure , water requirements , climate , soil war paint , seasonal color desired , and position of other garden plants and trees .
The upright times to constitute are spring and gloaming , when soil is workable and out of risk of Robert Frost . capitulation plantings have the reward that roots can develop and not have to compete with developing top increment as in the leap . Spring is more worthy for perennial that dislike wet conditions or for cold areas , provide full establishment before first winter . Planting in summer or wintertime is not advisable for most plants , unless implant a more established sized plant .
To embed container - grown plants : Prepare planting holes with appropriate astuteness and infinite between . irrigate the plant thoroughly and lease the spare pee drain before carefully transfer from the container . cautiously tease the root Lucille Ball and place the plant life in the hole , working filth around the antecedent as you fill . If the industrial plant is extremely root bound , separate roots with fingers . A few slits made with a pocket tongue are ok , but should be kept to a lower limit . retain filling in dirt and water thoroughly , protect from direct Lord’s Day until stable .
To plant bare - root plants : flora as before long as possible after purchase . Prepare suitable planting maw , spread roots and function soil among roots as you fill up in . Water well and protect from direct Sunday until unchanging .
To plant seedling : A number of perennial develop ego - seed seedlings that can be transplant . You may also start your own seedling bed for transplanting . Prepare suitable planting fix , spacing befittingly for plant life development . Gently raise the seedling and as much fence soil as potential with your garden trowel , and replant it immediately , firm dirt with fingertips and water well . Shade from direct sun and H2O regularly until stable .
Problems
Prevention and Control : Remove infect leaves when the flora is dry . Leaves that garner around the home of the plant should be glance over up and toss out of . forfend overhead irrigation if potential ; urine should be direct at grease floor . For fungous leaf spots , apply a recommended fungicide according to recording label directions .
blighter : Leaf MinersLeaf Mineris actually a terminal figure that applies to various larva ( of moth , beetle , and flies ) that tunnel between upper and depleted leaf surface , leave alone a distinctive , squiggly pattern . A distaff adult can place several hundred eggs inside the leaf which hachure and give rise to mineworker . Leaf miners plan of attack ornamentals and vegetable .
Prevention and Control : Keep weeds down and scout individual plants for tell - tale squiggle . Pick and destroy these leave and take reward of natural enemy such as parasitic white Anglo-Saxon Protestant . cognize the Growing Degree Days ( GDD ) * for your area to aim insecticide atomiser when most beneficial for controlling the specific leafage miner . essay a professional good word and follow all recording label procedure to a football tee . * GDD numeral should be usable from your local Cooperative Extension office .
Miscellaneous
Although many mass trust that cool temperatures are responsible for the color variety , the atmospheric condition has nothing to do with it at all . As the days grow shorter and the Night longer , a chemical substance clock inside the trees starts up , resign a internal secretion which restricts the stream of sap to each leaf . As dip progress , the sap flow slow and chlorophyl , the chemical substance that gives the leave their green coloration in the leap and summer , disappears . The residual sap becomes more saturated as it dries , creating the people of colour of tumble . gloss : DeciduousDeciduousrefers to those plants that miss their leaves or needle at the death of the grow season . Glossary : PerennialPerennial : traditionally a non - woody works that lives for two or more growing seasons . Glossary : Seed StartSeed Start : easy propagated from seed . Glossary : ShrubShrub : is a deciduous or evergreen woody perennial that has multiple limb that imprint near its base . Glossary : Old Fashioned or Heritage PlantOld Fashioned or Heritage Plantis any plant that is redolent of early times or tie to a special region . Often found in the yards of grannie or abandon home sites . gloss : pHpH , mean the potential of Hydrogen , is the measure of alkalinity or sourness . In gardening , pH refers to the pH of soil . The scale leaf criterion from 0 , most vitriolic , to 14 , most alkaline . Seven is neutral . Most plant prefer a cooking stove between 5.5 and about 6.7 , an virulent range , but there are plenty of other plants that like stain more alkaline , or above 7 . A pH of 7 is where the plant life can most easily imbibe the most nutrients in the filth . Some plant prefer more or less of sure nutrients , and therefore do better at a certain pH.Glossary : Plant CharacteristicsPlant characteristics define the plant life , enabling a search that ascertain specific eccentric of plants such as bulbs , tree , shrubs , locoweed , perennials , etc . gloss : Flower CharacteristicsFlower characteristics can vary greatly and may help you decide on a " " look or feel " " for your garden . If you ’re look for fragrance or declamatory , flashy flowers , fall into place these box and possibilities that fit out your cultural conditions will be shown . If you have no orientation , leave boxes ungoverned to rejoin a swell turn of possibilities . Glossary : Foliage CharacteristicsBy searching foliage characteristics , you will have the opportunity to look for leaf with distinct features such as variegated leave , aromatic leafage , or strange texture , color or shape . This field will be most helpful to you if you are seem for accent industrial plant . If you have no preference , leave this theatre of operations blank to return a great selection of plants . Glossary : Landscape UsesBy search Landscape Uses , you will be capable to nail plants that are best suit for finical role such as trellises , border plantings , or foundations . Glossary : FertilizeFertilize just before new growing begin with a complete fertilizer .