Buddleja davidii 'Princeton Purple'

Buddleja davidii
Cultivar	'Princeton Purple'
Origin	Princeton Nurseries, New Jersey, USA

Buddleja davidii 'Princeton Purple' is a relatively old cultivar introduced by the Princeton Nurseries but dismissed by Dirr as 'the same as 'Dubonnet' or confused with it in the trade'. [1][2]

Description

'Princeton Purple' grows to a height of 2.5 m, and has panicles of bluish-purple flowers with orange eyes. [2] The foliage is typical of the species.

Cultivation

'Princeton Purple' is not known to be in cultivation beyond the USA. Hardiness: USDA zones 5–9. [3]

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References

Dirr, M. (1998). Manual of Woody Landscape Plants. Stipes Publishing, USA.
Hatch, L. (2007). Cultivars of Woody Plants. Vol. 1 (A-G) 2007 Edition. TCR Press Horticultural PDF. books.
Stuart, D. D. (2006). Buddlejas. RHS Plant Collector Guide. Timber Press, Oregon. ISBN 978-0-88192-688-0

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[Dirr-1] Dirr, M. (1998). Manual of Woody Landscape Plants. Stipes Publishing, USA.

[Hatch-2] Hatch, L. (2007). Cultivars of Woody Plants. Vol. 1 (A-G) 2007 Edition. TCR Press Horticultural PDF. books.

[Stuart-3] Stuart, D. D. (2006). Buddlejas. RHS Plant Collector Guide. Timber Press, Oregon. ISBN 978-0-88192-688-0