Vigorous perennial ( that you may want to restrict ) with basal clustering of enceinte , shining , deep lob , colored green leave . Spikes of snowy to easy lavender peak seem from late spring to early summer . cut off back flush stalks after blossom , leaving leaf . Divide foilage from October to March . Prefers suspect situations and occasional cryptical watering , but tolerates gay , dry situations too . Its strong-growing roots make this plant complete for slopes . Excellent where rough-cut texture is need in the garden .
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Characteristics
Requirements
Plant Care
Fertilizing
Light
Watering
Planting
The unspoiled times to plant are spring and surrender , when soil is workable and out of danger of icing . Fall plantings have the advantage that roots can spring up and not have to contend with developing top growth as in the spring . Spring is more desirable for perennials that dislike blotto conditions or for colder areas , provide full establishment before first wintertime . Planting in summer or wintertime is not advisable for most flora , unless planting a more established sized plant .
To plant container - grow plant : Prepare plant hole with appropriate depth and infinite between . Water the plant thoroughly and let the redundant water supply drain before carefully removing from the container . Carefully loose the base ball and place the industrial plant in the hole , work grime around the roots as you fill . If the plant is exceedingly root bound , separate rootage with fingers . A few slits made with a pocket tongue are okay , but should be keep to a minimum . Continue filling in soil and water thoroughly , protecting from direct sunlight until stable .
To plant bleak - root plant : Plant as soon as possible after purchase . Prepare suitable planting holes , spread roots and work land among root as you fill up in . Water well and protect from direct Lord’s Day until stable .
To embed seedling : A number of perennials bring out ego - inseminate seedling that can be transplanted . You may also start out your own seedling seam for transplant . develop suitable planting holes , spacing appropriately for works maturation . mildly lift the seedling and as much surrounding land as potential with your garden trowel , and replant it straightaway , firming soil with fingertip and piss well . Shade from direct Dominicus and piddle on a regular basis until stable .
Problems
Prevention and Control : imbed resistant varieties and space plant right so they pick up tolerable light and air circulation . Always water from below , keeping water off the leafage . This is paramount for roses . Go easy on the nitrogen fertilizer . Apply fungicide according to label directions before problem becomes severe and espouse charge on the button , not missing any necessitate treatments . Sanitation is a must - houseclean up and remove all leave , flowers , or debris in the fall and destroy . fungus kingdom : Leaf SpotsLeaf spotlight are triggered by fungi or bacterium . Brown or grim spots and spot may be either ragged or circular , with a water soaked or yellow - edged coming into court . Insects , rainfall , dirty garden tools , or even people can help its spread .
Prevention and Control : Remove infected leaves when the plant is dry . Leaves that collect around the base of the plant should be raked up and dispose of . Avoid overhead irrigation if possible ; water should be directed at soil stage . For fungous foliage spots , use a recommended fungicide according to label directions .
