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Potomac
(Lagerstroemia x 'Potomac')

   

USDA plant hardiness zones: 6, 7, 8, 9
(Considered root hardy in zone 6).

Sunset plant hardiness zones: 7-10, 12-14, 18-21, 25-31
Mature height: 20'+
Best known for its: showy pink flowers, thinly coriaceous panicles, abundantly produced from mid-July to September.
Plant family + type: Lythraceae - large deciduous summer flowering tree
Origin: Orig. in 1962 as selection from colchicine-treated seedlings and intro. in 1967 by U.S. National Arboretum. Name registered September 20, 1966.
Mildew resistance: high
Growth habit: decidious, upright, multi-stemmed
Flower color: clear medium pink
Foliage: glossy, dark green
Bark: mottled grayish-brown
Autumn foliage color: N/A
Blooming period: summer, autumn
Preferences: full sun, well-drained soils, good air circulation, soil pH: 5.0-6.5
Excellent choice for: specimen, Flowering accent tree, avenue plantings, groves

 

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