Buddleja davidii 'Pyrkeep' = Purple Emperor
Buddleja davidii 'Pyrkeep' (selling name Purple Emperor) is a cultivar raised by Elizabeth Keep at the East Malling Research Station in Kent, England.[1]
| Buddleja davidii | |
|---|---|
 Purple Emperor, Longstock Park, UK | |
| Cultivar | 'Pyrkeep' = Purple Emperor |
| Origin | East Malling, Kent, UK |
Description
Purple Emperor is a compact, small shrub, growing to a height of 1.5 m, approximately one-third the size of a typical davidii. The foliage is unremarkable, the leaves a medium green, elliptic, with serrate margins. The profuse flowers are mauve-purple, the panicles 20–25 cm in length.[2]
Cultivation
Purple Emperor is commonly cultivated in the UK and United States. Hardiness: USDA zones 5–9.[1]
References
- Stuart, D. D. (2006). Buddlejas. RHS Plant Collector's Guide. Timber Press, Oregon. ISBN 978-0-88192-688-0
- Moore, P. (2011). List of Buddleja davidii cultivars held at Longstock Park Nursery, 2011. Longstock Park, UK.
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