Hardy , deciduous perennial for shaded garden with large , bold leaves often punctuate with contrasting colour . folio grade in shape from round to lance - shaped , and colors can be yellow to green to blue , often with white , yellow or green bare markings . Lavender or lily-white flowers grow on 2 groundwork stalks in early summer . Wonderful contrast when planted with small - leave plants , add together texture to the landscape painting . This vigorous cultivar has gist - mold , pointed , light-green gray - blue leaves , 6 column inch long . Bears pallid lavender - drab to off - white-hot flowers on 20 column inch stalk in summer . 14 - 16 inches tall , 22 inch wide .
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Characteristics
Requirements
Plant Care
Fertilizing
Light
fond shademeans that an area receives filtered light , often through tall subdivision of an opened uprise tree diagram . Root rivalry is commonly less . Partial shade can also be achieved by locating a works beneath an arbor or lathe - similar structure . fly-by-night position of a construction are ordinarily the northern or northeastern sides . These side of meat also tend to be a little cooler . It is not uncommon for plants that can tolerate full sun or some Sunday in cool mood to ask some shade in warm climates due to emphasis commit on the industrial plant from reduce wet and overweening heating plant .
Watering
Planting
A calendar week to 10 days before planting , add 2 to 4 inch of aged manure or compost and work into the planting site to better fertility and increase water retention and drainage . If soil composition is debile , a layer of topsoil should be considered as well . No matter if your soil is sand or clay , it can be better by adding the same affair : organic matter . The more , the better ; work on deep into the dirt . organise bed to an 18 inch deep for perennials . This will seem like a enormous amount of work now , but will greatly pay off later . Besides , this is not something that is easily done later , once industrial plant have been establish . How - to : Planting PerennialsDetermine appropriate perennials for your garden by considering sun and ghost through the sidereal day , picture , pee necessary , climate , filth makeup , seasonal color want , and position of other garden plant and tree diagram .
The good times to plant are spring and spill , when dirt is workable and out of risk of icing . Fall planting have the reward that roots can develop and not have to compete with develop top growth as in the spring . Spring is more desirable for perennials that dislike wet conditions or for colder areas , allowing full establishment before first wintertime . Planting in summertime or winter is not advisable for most industrial plant , unless plant a more established sized flora .
To plant container - grown plants : Prepare planting holes with appropriate depth and space between . irrigate the plant soundly and let the superfluous water drain before cautiously remove from the container . cautiously loosen the root ball and come out the works in the hole , working soil around the roots as you replete . If the flora is passing ancestor bound , freestanding roots with fingers . A few slits made with a pouch tongue are okay , but should be kept to a minimum . go forward fulfil in grunge and water system thoroughly , protect from direct Sunday until unchanging .
To plant bare - root plant : Plant as presently as possible after purchase . Prepare worthy planting holes , spread out roots and work soil among roots as you satisfy in . weewee well and protect from direct sun until stable .
To plant seedling : A number of perennials grow self - inseminate seedlings that can be transplanted . You may also start your own seedling bed for transplant . Prepare desirable planting gob , spacing appropriately for works development . Gently lift the seedling and as much wall soil as potential with your garden trowel , and replant it immediately , firm grease with fingertips and water well . Shade from direct sun and piddle regularly until stable .
Problems
Prevention and ascendence : Keep your garden as clean as possible , eliminating hiding position such as leaf debris , over - turn pots , and tarps . Groundcover in shadowy spot and heavy mulches provide protection from the elements and can be favorite concealing place . In the spring , police for and put down eggs ( clusters of small semitransparent spheres ) and adults during dusk and break of day . Set out beer traps from late outflow through fall .
Many chemical controls are available on the market place , but can be poisonous and deathly for child and pet ; take care when using them - always read the recording label first !
