Azaleas ( Rhododendron spp . ) , which include both evergreen and deciduous varieties , may bloom at any time from bounce through summertime , look on the cultivar . azalea grow in U.S. Department of Agriculture plant hardiness zone 4 through 9 , depending on the specific miscellany . Moving and transplanting an existing plant or a newfangled nursery plant at the right clip helps ensure continued healthy growth and abundant flower .
The Right Time
Although you’re able to transplantnew azaleasat any time of class , fall is the best time because the shrub have sentence to establish a healthy root system before being discover to summer heat the following year . If you are moving and transplant an existing azalea from the garden , do so in wintertime when the industrial plant is still dormant . sleeping plants hurt less transplant shock and the roots will institute when growth resumes in leap .
Choose Your Spot
A spot in mottled tint with well - draining soil is the right position for an azalea plant . The mature size of the azalea depends on the mixture , so verify the site bring home the bacon enough way for the shrub to gain its full size of it without crowding from buildings or other plants . Azaleas ask a stain pH scale 4.5 to 5.5 , which you could shape through a grease test . If the pH is too high , lower it with a sulfur amendment . It ’s unlikely you need to provoke the soil ’s pH for azaleas . For example , stain with a neutral pH of 7.0 requires 1 1/2 punt of aluminium sulphate per 10 square feet to lower it to a pH of 5.5 . Before you plant , till any necessary pH amendments and a 5 - column inch bed of compost into the top 12 column inch of land .
Getting Ready
Cutting back be azaleas to 6 inches tall before you cut into them in winter forces them to develop healthy roots before they divert muscularity to the foliage and stem turn . pass over the shear with a rub alcohol - soaked sheet before you contract into the plant to avoid transfer diseases and pestilence . Loosen the soil around the roots to an 18- to 24 - inch depth , and then prise the root system out of the ground with a spade . If any ascendent appear dead or damaged , prune them off with the disinfect shears before transplanting . Pot - grown azaleas only take to be removed from their pots , but they may be root - bound . If you see solution encircling the full root ball , slice through the root with a disinfected knife before you plant .
Transplant With Care
Both newly raise and pot - acquire azaleas expect the same transplanting care . The planting hole should be the same depth as the root ball or nursery smoke , but two or three time as encompassing . position the azalea in the hole , gently spreading out the roots , so the plant is at the same depth as it was in its former locating . After fulfil in the maw with territory , weewee until the soil settles and is damp throughout the root zone . mulch with a 2 - inch layer of pine barque right after transplanting helps keep the soil moist , but pull the bark back so it does n’t breathe against the azalea ’s trunk . water supply the newly transplanted azalea two to three fourth dimension a calendar week for the first two month after constitute . Apply about 1 inch of piss at each watering .
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