Buddleja davidii 'Potter's Purple'

Buddleja davidii 'Potter's Purple' is an American cultivar selected by Charles Cresson and introduced by Jack Potter of the Wister Garden*, at the Scott Arboretum, Swarthmore College, Pennsylvania, in 1984.[1][2]

  • Not to be confused with the Wister Gardens, Mississippi.
Buddleja davidii
Cultivar'Potter's Purple'
OriginWister Garden, Scott Arboretum, Swarthmore College, Pennsylvania, USA.

Description

'Potter's Purple' has a coarse, irregular habit, with the arching branches typical of the species, growing to a height of 3 m. The large panicles of dark violet flowers, not strongly scented, are on a par with 'Black Knight' and 'African Queen'. The leaves are relatively large, and dark green.[1] Seed is very viable, germination per 0.1 gram of 55, or approximately 850 fertile seeds per panicle.[3]

Cultivation

'Potter's Purple' is (2013) only cultivated in the USA. Hardiness: USDA zones 6–9.[1]

References
  1. Stuart, D. D. (2006). Buddlejas. RHS Plant Collector Guide. Timber Press, Oregon. ISBN 978-0-88192-688-0
  2. Hatch, L. (2007). Cultivars of Woody Plants. Vol. 1, A-G. 2007. TCR Press Horticultural PDF. books.
  3. Oregon Dept. of Agriculture. Sterile Buddleja List.
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