Buddleja colvilei 'Kewensis'

Buddleja colvilei
Cultivar	'Kewensis'
Origin	Kew, England

Buddleja colvilei 'Kewensis' is a cultivar cloned from a plant growing in the Temperate House at the Royal Botanic Gardens Kew and introduced to cultivation in 1849.[1] 'Kewensis' was accorded the RHS Award of Merit in 1947.[2]

Description

'Kewensis' is identical to the type save the flowers, which are dark red.[1]

Cultivation

'Kewensis' is regarded as slightly hardier than the type, but still demands a free draining soil and protection from winter winds.[1] In the UK it is included in the NCCPG National Collection held by Longstock Park Nursery near Stockbridge, Hampshire.[3] Hardiness: USDA zones 7–8.[1]

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References

Stuart, D. D. (2006). Buddlejas. RHS Plant Guide. Timber Press, Oregon. ISBN 978-0-88192-688-0
Hillier & Sons. (1977). Hillier's Manual of Trees and Shrubs. 4th edition. David & Charles, Newton Abbot, UK. ISBN 0-7153-6744-7
Moore, P. (2011). List of Buddleja cultivars held at Longstock Park Nursery, 2011. Longstock Park, UK.

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[Stuart-1] Stuart, D. D. (2006). Buddlejas. RHS Plant Guide. Timber Press, Oregon. ISBN 978-0-88192-688-0

[Hillier-2] Hillier & Sons. (1977). Hillier's Manual of Trees and Shrubs. 4th edition. David & Charles, Newton Abbot, UK. ISBN 0-7153-6744-7

[Moore-3] Moore, P. (2011). List of Buddleja cultivars held at Longstock Park Nursery, 2011. Longstock Park, UK.