The cultivar , ‘ Robert Frost ’ is a very large , fan out perennial with heart shape , green leave and yellowish - bloodless edge . Bell shaped , lavender flower bloom on square , stripped 36 inch stem in the midseason . Hardy perennial for shaded gardens with large , bold leaves often marked with contrasting colors . leafage range in shape from round to fizgig - mould , and colors can be yellow to gullible to blue , often with white , yellow or green marginal markings . Lavender or white flowers turn on stalk in other summer . grand contrast when planted with small - leaved plants , bestow grain to the landscape . Slugs and snail sexual love hostas !
Google Plant Images : dawn here !
Characteristics
Requirements
Plant Care
Fertilizing
Light
fond shademeans that an area receives permeate light , often through tall branches of an open growing tree diagram . Root competition is commonly less . fond ghost can also be achieved by place a flora beneath an arbor or lathe - alike structure . shady side of a building are normally the northern or northeast sides . These sides also tend to be a little tank . It is not uncommon for plant that can tolerate full Dominicus or some Dominicus in coolheaded climate to expect some ghost in fond climate due to tenseness placed on the plant life from reduced moisture and overweening heating system . Conditions : Partial Sun , Partial ShadePart sunorpart shadeplants opt lightness that is filtered . Sunlight , though not direct , is important to them . Often morning Dominicus , because it is not as stiff as good afternoon sun , can be considered part Lord’s Day or part tint . If you live in an area that does not get much intense sunlight , such as the Pacific Northwest , a full sun vulnerability may be fine . In other areas such as Florida , plant in a location where good afternoon shade will be get .
Watering
Planting
The best time to set are spring and fall , when soil is workable and out of danger of freeze . Fall plantings have the reward that roots can develop and not have to compete with arise top ontogeny as in the spring . Spring is more desirable for perennials that dislike wet experimental condition or for colder arena , allowing full formation before first winter . Planting in summer or winter is not advisable for most plants , unless planting a more established sized plant life .
To set container - turn plant : Prepare imbed holes with appropriate deepness and infinite between . Water the plant thoroughly and let the excess water drain before carefully removing from the container . cautiously loosen the root bollock and point the flora in the gob , working soil around the roots as you satisfy . If the plant is extremely root bound , separate roots with digit . A few slits made with a pouch knife are ok , but should be keep to a minimum . cover filling in soil and water thoroughly , protect from lineal sun until stable .
To plant unornamented - root plants : Plant as soon as possible after leverage . Prepare suited planting holes , spread roots and crop grease among solution as you fill in . Water well and protect from direct sun until unchanging .
To establish seedling : A number of perennial produce ego - sown seedlings that can be transplanted . You may also start your own seedling bottom for transplantation . train suitable planting holes , spacing appropriately for plant development . softly get up the seedling and as much surrounding soil as possible with your garden trowel , and replant it instantly , firm soil with fingertips and body of water well . Shade from direct sun and water regularly until stable .
Problems
Prevention and dominance : Keep your garden as unobjectionable as potential , eradicate concealment places such as leaf debris , over - turned pots , and tarps . Groundcover in shady places and heavy mulches provide protection from the element and can be favourite concealment place . In the bounce , police for and demolish orchis ( cluster of small translucent spheres ) and grownup during dusk and dawn . Set out beer traps from tardy spring through crepuscle .
Many chemical controls are useable on the securities industry , but can be poisonous and virulent for youngster and favourite ; take concern when using them - always read the label first !
Miscellaneous
Although many hoi polloi believe that cooler temperature are responsible for the color change , the weather has nothing to do with it at all . As the Clarence Day uprise short and the nights longer , a chemical clock inside the trees starts up , release a hormone which restrict the current of sap to each foliage . As fall progresses , the sap rate of flow slows and chlorophyll , the chemical that apply the leave their green color in the spring and summer , disappears . The residuary sap becomes more saturated as it dry out , create the colour of fall . Glossary : pHpH , means the potential of Hydrogen , is the measure of alkalinity or acidulousness . In gardening , pH refer to the pH of soil . The scale bill from 0 , most acid , to 14 , most alkaline . Seven is indifferent . Most plant prefer a range between 5.5 and about 6.7 , an acid range , but there are plenty of other plant that like soil more alkaline , or above 7 . A pH of 7 is where the plant can most well absorb the most nutrient in the grunge . Some plants choose more or less of sure nutrient , and therefore do well at a certain pH.Glossary : VirusesViruses , which are smaller than bacteria , are not living and do not copy on their own . They must rely on the cellular mechanism of their hosts to replicate . Because this greatly disrupts the cell ’s functionality , outbound signs of a viral contagion result in a plant disease with symptom such as abnormal or stunted growth , damaged yield , discolorations or spots .
Prevention and Control : Keep virus carrier wave such as aphids , leafhoppers , and thrips under control condition . These plant alimentation insects spread virus . computer virus can also be introduced by infected pollen or through plant opening ( as when cut back ) . Begin bykeeping the pathogen outof your garden . New plants should be checked , as well as tools and live plant . Use only certified source that is deemed disease - devoid . Plant only resistant varietiesandcreate a discouraging environmentby rotate harvest , not planting closely have-to doe with plant life in the same area every year .
