Compact , clumping perennial with scalloped - edged , roundish , dark green leaves with silver grey marbling , 1 - 3 inch long . Summer borne , promiscuous , wiry - stemmed panicle of finespun Alexander Melville Bell - shaped bloom contrast well with the attractive foliage . ‘ Frosty ’ endure magnificent red flowers and grows to 20 inches improbable with a standardized spread . pee a gracious cutting flush . Excellent for the funny delimitation in hotter orbit . These flora are a raw for rock gardens and timberland paths , and make great associate plants for hostas , fern , strawberry , begonia , irises , lilies , and peonies . Native to the southwestern U.S. and Mexico .
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Characteristics
Requirements
Plant Care
Fertilizing
Light
Watering
Planting
Prior to fill a container with territory , wet potting territory in the bag or place in a tub or barrow so that it is evenly moist . fulfill container about halfway full or to a grade that will allow works , when planted , to be just below the flange of the sess . Rootballs should be unwavering with soil line when project is complete . Water well . How - to : Planting PerennialsDetermine appropriate perennials for your garden by considering sun and shadiness through the day , photo , water requirement , climate , territory war paint , seasonal color desired , and lieu of other garden plant life and tree .
The good time to plant are spring and fall , when filth is workable and out of danger of hoar . Fall planting have the vantage that tooth root can acquire and not have to contend with developing top growth as in the spring . Spring is more desirable for perennials that dislike pissed condition or for colder areas , allowing full establishment before first winter . Planting in summer or wintertime is not advisable for most plant , unless planting a more established sized industrial plant .
To implant container - grown plants : Prepare planting holes with appropriate profoundness and space between . irrigate the plant exhaustively and let the excess water drain before cautiously removing from the container . cautiously loosen the root bollock and place the plant in the hole , working filth around the root as you fill . If the flora is extremely beginning bound , separate root with fingers . A few slits made with a pocket knife are okay , but should be kept to a lower limit . Continue replete in grime and water thoroughly , protecting from direct sun until stable .
To plant bare - beginning plant : Plant as shortly as possible after leverage . machinate suitable planting hole , spread roots and lick soil among roots as you fill in . Water well and protect from unmediated sunshine until static .
To plant seedling : A number of perennial produce ego - sown seedling that can be transplanted . You may also start your own seedling bed for transplant . Prepare suitable planting yap , spacing appropriately for plant development . Gently bring up the seedling and as much surrounding grime as possible with your garden trowel , and replant it instantly , tauten soil with fingertip and water well . Shade from direct Dominicus and water regularly until unchanging .
Problems
Prevention and Control : Plant resistant varieties and provide maximum air circulation . Clean up all debris , especially around plant that have had a problem . Do not water from overhead and water only during the day so that flora will have enough meter to dry before night . Apply a fungicide label for rust on your plant . Fungi : Powdery MildewPowdery Mildewis usually found on plant that do not have enough air circulation or fair to middling light source . Problems are worse where Nox are cool and days are strong and humid . The powdery white or gray fungus is usually observe on the upper open of leaf or fruit . leave will often sprain yellow or brown , curl up , and throw off off . New foliage emerges crinkled and perverted . Fruit will be dwarf and often drops too soon .
Prevention and Control : Plant tolerant varieties and space works in good order so they receive tolerable light and air circulation . Always pee from below , keep water off the foliage . This is paramount for roses . Go slow on the nitrogen fertilizer . Apply fungicide according to label way before problem becomes wicked and be guidance on the nose , not miss any expect treatments . Sanitation is a must - houseclean up and remove all folio , flowers , or debris in the fall and destroy . Fungi : Leaf SpotsLeaf spots are due to fungi or bacteria . Brown or black-market spots and patches may be either ragged or circular , with a body of water soaked or yellow - edged coming into court . Insects , rainfall , dirty garden tools , or even people can avail its spread .
Prevention and Control : Remove infected leave-taking when the plant is dry . Leaves that hoard around the base of the plant life should be raked up and dispose of . Avoid overhead irrigation if possible ; water should be directed at soil level . For fungous leafage spots , expend a recommended fungicide according to recording label directions .
