Rhododendron arborescensSweet Azalea (B.HMR.NB.OP.RR)


Ecosystem Services:
(B)-Birds                                     (B&B)-Birds & Butterflies

(BTF)-Butterflies                    (BW)-Black Walnut Resistant

(DR)-Deer Resistant              (DRG)-Drought Resistant

(EVR)-Evergreen                     (FC) Fall Color

(G)-Groundcover                     (H)-Host plant

(HMR)-Hummingbirds           (M)-Mammals

(MTH)-Moths                             (NB)-Native Bees

(OP)-Other pollinators          (RR)-Rabbit Resistant

Out of stock

Smooth azalea is an erect, loosely branched, woody, deciduous shrub that is native to eastern North America.  In its native habitat, it is found growing in sloped woodlands, along streambanks, and sometimes boggy areas.

It requires full sun to partial shade in sandy soil with an acidic pH. Moist soil with good drainage is preferable. Fast growing and spreading by underground runners, smooth azalea can reach a height and width of 8 to 12 feet, occasionally reaching 20 feet.  Its shallow roots do not like cultivation around them, but rather prefer a thick layer of organic mulch that will help maintain moisture and protect against low winter temperatures. Deadhead immediately after bloom to maintain appearance.

Smooth azalea offers multiple seasons of interest. Pink or yellow fragrant flowers bloom from late spring to early summer and attract bees, butterflies, and hummingbirds. In the fall the foliage turns bright orange to crimson or purple color. The plant tolerates damage by rabbits but is frequently damaged by deer. Plant smooth azalea in mixed or shrub borders, woodland or open shade gardens, pollinator or rain gardens.


One Gallons


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