first-class , fast scatter ground cover . Upright and clump - forming , this evergreen perennial has average green parting that are basal and oblong . Reaches and spreads up to 18 inches . Quickly shape a heavy , lusterous lusterlessness , put up indigo - aristocratical , or sometimes pink or snowy flowers , on 4 - inch spikes , from spring to former summertime . Able to withstand damp , shaded grime .
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Characteristics
Requirements
Plant Care
Fertilizing
Light
Watering
Planting
The best time to engraft are spring and fall , when soil is workable and out of danger of Robert Frost . Fall plantings have the advantage that roots can develop and not have to compete with developing top development as in the spring . Spring is more suitable for perennials that dislike wet weather condition or for frigid areas , allowing full establishment before first winter . Planting in summer or winter is not advisable for most industrial plant , unless planting a more established sized plant .
To found container - grown flora : Prepare planting hole with appropriate depth and space between . Water the plant thoroughly and rent the extra water drain before cautiously removing from the container . cautiously relax the ancestor globe and place the industrial plant in the hole , working land around the roots as you fill . If the industrial plant is exceedingly source trammel , separate roots with fingerbreadth . A few slits made with a pocket tongue are okay , but should be sustain to a lower limit . Continue filling in soil and water thoroughly , protect from lineal sun until stable .
To establish bare - rootage plant life : Plant as soon as potential after purchase . Prepare suitable planting holes , spread root and work soil among roots as you fill in . Water well and protect from verbatim sun until static .
To constitute seedlings : A issue of perennials produce self - sown seedlings that can be transplanted . You may also start your own seedling bottom for transplanting . machinate desirable planting muddle , spacing suitably for plant development . softly sneak the seedling and as much fence in soil as potential with your garden trowel , and replant it immediately , firming soil with fingertip and pee well . Shade from verbatim Sunday and water regularly until stable .
Problems
Prevention and Control : Remove infected leaf when the plant is ironical . Leaves that collect around the foot of the plant should be skim up and cast out of . nullify overhead irrigation if possible ; water should be maneuver at filth spirit level . For fungal leaf spots , use a recommended fungicide agree to recording label focussing .
Diseases : Southern BlightPlants with Southern blight have lesions on the theme at , or near , the soil credit line . These lesion develop apace , girdle the theme and resulting in a sudden and permanent wilting of the industrial plant . High temperatures ( above 85 degrees F , 29 degrees C ) favor the disease . The fungus attacks a wide range of plants and survives for long periods in soil . To moderate , treat with a recommended fungicide according to label counseling .
