This vigorous cultivar has ovate to bosom - shaped , pointed gray - blue leaves . Deep lavender - blue flush are borne in midsummer . sturdy perennials for shaded garden with large , bluff leaves often marked with contrasting color . leaf range in shape from round to lance - shaped , and colors can be yellow to dark-green to blue , often with blank , icteric or green marginal markings . Lavender or white flowers grow on 2 foundation stem in early summertime . terrific contrast when planted with little - leave behind plants , adding texture to the landscape .
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Characteristics
Requirements
Plant Care
Fertilizing
Light
Partial shademeans that an domain receives filtered light , often through marvelous branches of an open growing tree diagram . Root contest is usually less . Partial tad can also be achieved by locating a plant beneath an arbor or lathe - like structure . Shadier sides of a construction are unremarkably the northerly or northeastern sides . These sides also tend to be a petty cooler . It is not uncommon for plant life that can tolerate full sun or some sunshine in cooler climates to require some shade in warmer climate due to stress invest on the plant from deoxidise moisture and exuberant heat .
Watering
Planting
A week to 10 days before planting , add 2 to 4 column inch of aged manure or compost and piece of work into the planting land site to improve fertility and increase piss retentiveness and drain . If soil composition is feeble , a layer of topsoil should be turn over as well . No matter if your soil is sand or clay , it can be ameliorate by supply the same affair : constitutional matter . The more , the better ; work late into the soil . Prepare seam to an 18 column inch bass for perennials . This will seem like a tremendous amount of work now , but will greatly pay off by and by . Besides , this is not something that is easily done later , once flora have been established . How - to : Planting PerennialsDetermine appropriate perennials for your garden by take sun and shade through the mean solar day , exposure , water requirements , climate , soil physical composition , seasonal colour desire , and position of other garden plants and trees .
The best times to plant are leaping and fall , when grunge is workable and out of danger of frost . declination plantings have the advantage that roots can develop and not have to contend with developing top increase as in the leap . Spring is more suitable for perennials that dislike blind drunk condition or for colder areas , allowing full establishment before first winter . Planting in summer or wintertime is not advisable for most plants , unless planting a more establish sized plant .
To plant container - acquire plants : Prepare plant holes with appropriate depth and blank between . irrigate the plant thoroughly and permit the excess water system drain before carefully removing from the container . Carefully loosen the root ball and place the plant in the yap , working stain around the roots as you fill . If the plant is extremely antecedent bound , separate roots with finger . A few dent made with a pocket tongue are all right , but should be sustain to a minimum . stay on filling in grunge and water thoroughly , protect from verbatim sunlight until stable .
To plant bare - root plants : Plant as soon as possible after leverage . set suitable planting gob , spread roots and work soil among roots as you occupy in . piddle well and protect from direct sun until stable .
To plant seedlings : A act of perennial produce self - inseminate seedling that can be transfer . You may also set off your own seedling bed for transplantation . Prepare suitable planting holes , spacing appropriately for works development . Gently lift the seedling and as much border territory as potential with your garden trowel , and replant it immediately , firm soil with fingertip and water supply well . Shade from direct Dominicus and weewee on a regular basis until static .
Problems
bar and dominance : Keep your garden as clean as possible , eliminating hiding places such as leaf debris , over - turned pots , and tarpaulin . Groundcover in shady places and heavy mulch allow protection from the component and can be favorite hiding places . In the give , patrol for and destroy testis ( clusters of pocket-size translucent spheres ) and adults during dusk and break of the day . Set out beer yap from late outpouring through drop .
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