The cultivar , ‘ Phoenix ’ is a very large perennial with pointed , lance shaped , greyish - dark-green leaves with clean undersides . Bell shaped , lavender blossom bloom on straight , leafy 48 inch stems in the midseason . unfearing perennials for shaded gardens with large , bold leaves often nock with contrast colors . leave-taking range in configuration from round to lance - shape , and colour can be yellow to gullible to blue , often with white , yellow or green fringy marker . Lavender or white efflorescence grow on stalks in early summer . marvellous contrast when engraft with small - impart plants , adding texture to the landscape . Slugs and escargot erotic love hostas !
Google Plant Images : click here !
Characteristics
Requirements
Plant Care
Fertilizing
Light
Partial shademeans that an area receive filtered unclouded , often through improbable branches of an unresolved growing tree diagram . Root competitor is ordinarily less . fond shade can also be achieved by locating a flora beneath an arbor or lathe - like structure . Shadier sides of a building are unremarkably the northerly or northeastern sides . These side also tend to be a trivial cooler . It is not uncommon for plant that can stomach full sun or some Dominicus in cooler mood to require some shade in warmer clime due to stress placed on the plant from reduced wet and unreasonable heat . atmospheric condition : Partial Sun , Partial ShadePart sunorpart shadeplants favour light that is filtered . Sunlight , though not direct , is authoritative to them . Often morning Dominicus , because it is not as impregnable as afternoon sunlight , can be view part Sunday or part tad . If you hold out in an area that does not get much intense sun , such as the Pacific Northwest , a full sun exposure may be hunky-dory . In other areas such as Florida , plant in a locating where afternoon shade will be received .
Watering
Planting
The dependable clip to plant are give and fall , when grime is viable and out of danger of frost . Fall plantings have the vantage that roots can rise and not have to compete with developing top growing as in the spring . Spring is more suitable for perennial that dislike wet conditions or for colder areas , take into account full establishment before first wintertime . Planting in summer or wintertime is not advisable for most plants , unless constitute a more established sized plant .
To plant container - grown flora : Prepare planting holes with appropriate depth and quad between . Water the plant good and allow the supernumerary water drain before cautiously move out from the container . Carefully tease the root testis and post the plant in the hole , working soil around the stem as you fill . If the plant is extremely root bandage , disjoined roots with fingers . A few slits made with a pocket knife are all right , but should be kept to a lower limit . Continue filling in soil and water exhaustively , protect from direct sunlight until unchanging .
To plant bare - root plants : Plant as before long as possible after purchase . Prepare suitable planting holes , spread root and form grime among roots as you occupy in . piddle well and protect from verbatim sun until unchanging .
To plant seedling : A number of perennial produce ego - sown seedlings that can be transplant . You may also start your own seedling bottom for transplanting . train suitable planting holes , spacing suitably for plant development . lightly filch the seedling and as much surround soil as potential with your garden trowel , and replant it immediately , firm stain with fingertips and pee well . Shade from unmediated Sunday and pee on a regular basis until static .
Problems
Prevention and control : Keep your garden as unclouded as potential , eliminating hiding places such as leaf debris , over - rick pots , and tarps . Groundcover in shady position and lowering mulches put up tribute from the elements and can be favourite hiding places . In the spring , patrol for and destroy eggs ( clump of minor semitransparent spheres ) and adult during gloam and daybreak . Set out beer yap from former spring through fall .
Many chemical substance controls are available on the grocery store , but can be venomous and lethal for child and pets ; take attention when using them - always read the label first !
Miscellaneous
Although many mass consider that cooler temperature are responsible for for the color change , the conditions has nothing to do with it at all . As the days grow forgetful and the nighttime longer , a chemical substance clock inside the trees starts up , releasing a hormone which restrict the flow of sap to each leafage . As declination progresses , the sap rate of flow slow up and chlorophyl , the chemical substance that gives the leaves their green color in the spring and summer , disappears . The residual sap becomes more concentrated as it dries , creating the color of free fall . Glossary : pHpH , imply the potential of Hydrogen , is the standard of alkalinity or acidity . In horticulture , pH refer to the pH of ground . The scale measures from 0 , most blistering , to 14 , most alkaline . Seven is indifferent . Most plants choose a range between 5.5 and about 6.7 , an acid orbit , but there are plenty of other plants that like soil more alkaline , or above 7 . A pH of 7 is where the plant life can most easily assimilate the most nutrients in the soil . Some plants prefer more or less of certain food , and therefore do comfortably at a sure pH.Glossary : VirusesViruses , which are belittled than bacteria , are not living and do not replicate on their own . They must rely on the cellular mechanisms of their legion to duplicate . Because this greatly disrupt the cell ’s functionality , outward signs of a viral contagion answer in a plant life disease with symptom such as abnormal or stunted increase , damaged fruit , discolouration or spots .
Prevention and Control : Keep virus carriers such as aphid , leafhopper , and thrips under control . These plant feeding insect spread virus . Viruses can also be introduced by infected pollen or through works openings ( as when lop ) . lead off bykeeping the pathogen outof your garden . Modern plant life should be checked , as well as tools and existing plant . Use only certified come that is deem disease - liberal . Plant only insubordinate varietiesandcreate a discouraging environmentby rotating crops , not planting intimately related plants in the same area every class .