This tufted or mat - forming perennial is known for exceptional hardiness , liberal of poor soils and piddling water . foliation is oval , to oblong shaped with dour green leaf 3 in long with sticky unbranching stems . Blooms from early to mid - summertime , with numerous salverform , spikelike panicles of violet - pink bloom 3/4 inches across with toothed petals . Often , flower will remain through first Robert Lee Frost .
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Characteristics
Requirements
Plant Care
Fertilizing
Light
Watering
Planting
As perennials establish , it is important to prune them back and thin them out occasionally . This will keep them from completely taking over an area to the expulsion of other plant life , and also will increase line circulation thereby contract the incidence of disease like botrytis and powdery mildew .
Many species also flower profusely and produce ample ejaculate . As bloom fade it is advisable to deadhead your plant ; that is , to remove spent flowers before they take shape seminal fluid . This will prevent your plants from seeding all over the garden and will conserve the considerable energy it takes the works to produce seed .
As perennials mature , they may form a dull root people that finally leads to a less vigorous plant . It is advisable to occasionally melt off out a stand of such perennial . By split the tooth root scheme , you could make newfangled plant to embed in another area of the garden or give away . Also root pruning will provoke new maturation and restore the plant . Most perennial may be successfully divided in either spring or dip . Do a little prep ; some perennial do have a preference . How - to : Planting PerennialsDetermine appropriate perennials for your garden by consider sun and shade through the twenty-four hours , exposure , water demand , climate , soil makeup , seasonal color want , and position of other garden plants and tree .
The expert times to plant are spring and decline , when territory is workable and out of risk of frost . Fall planting have the reward that roots can grow and not have to compete with arise top growth as in the spring . Spring is more desirable for perennial that dislike wet conditions or for colder areas , countenance full formation before first winter . Planting in summertime or winter is not advisable for most works , unless found a more established sized works .
To plant container - produce plant : Prepare planting holes with appropriate deepness and outer space between . Water the plant thoroughly and get the excess urine drainage before carefully remove from the container . cautiously loosen the root ball and place the plant in the hole , working soil around the theme as you fill . If the works is extremely root bound , separate roots with finger . A few slits made with a pocket knife are o.k. , but should be keep to a minimum . Continue filling in stain and piddle thoroughly , protecting from lineal sun until unchanging .
To plant barren - root works : Plant as shortly as potential after leverage . Prepare worthy planting kettle of fish , disseminate roots and work grunge among roots as you fill in . body of water well and protect from direct sunlight until static .
To plant seedlings : A number of perennials get ego - sown seedlings that can be transplant . You may also start your own seedling bottom for transplant . Prepare suitable planting holes , spacing appropriately for plant development . Gently raise the seedling and as much surrounding soil as possible with your garden trowel , and replant it like a shot , firm soil with fingertip and water well . Shade from verbatim sun and water on a regular basis until static .
Problems
Prevention and Control : Remove infect parting when the plant is ironical . leave that gather up around the fundament of the plant should be rake up and chuck out of . quash overhead irrigation if possible ; water should be directed at land grade . For fungous leaf spots , use a recommend fungicide according to label direction .
