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]

gollark: That does sound interesting, I've had a lot of times when having a database would have helped me a lot. Though I'd prefer a (CC) library and not a mod (for usability-on-servers reasons), this could be good too.
gollark: > why is it the least secure language<@229987409977278464> C does basically no memory safety checking when it's compiled.
gollark: ... yes?
gollark: Cryptography, especially asymmetric (public-key/key exchange/whatever) cryptography, involves complicated maths and stuff, and implementing that yourself (or worse, coming up with your own algorithms) is a bad idea.
gollark: There are some libraries which do secure communications stuff for you. One of my projects uses ECNet or something.

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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