Buddleja davidii 'Blue Horizon'

Buddleja davidii

'Blue Horizon', Longstock Park, UK
Cultivar 'Blue Horizon'

Buddleja davidii 'Blue Horizon' is a cultivar recently introduced to commerce in the UK. It was accorded the RHS Award of Garden Merit (record 677) in 2010, by virtue of its superior blue hue, relegating 'Empire Blue' to the 'Sunset List' for rescission of its AGM. [1] [2]

Description

'Blue Horizon' has a compact habit, growing to a height 2.7 m, with a spread of 2.6 m. The arching branches bear greyish-silver foliage complementing the clear blue terminal panicles which average 44 cm in length. [3]

Cultivation

'Blue Horizon' remains uncommon in cultivation, and is not known (2012) to have been introduced to North America. In the UK, it is included in the NCCPG National Collection held by Longstock Park Nursery near Stockbridge in Hampshire. Hardiness: RHS H5, USDA zones 5–9.[2]

References

  1. ↑ Royal Horticultural Society. (2010). Trials Report 2008-2010 Buddleja davidii and its close hybrids Trials Office, Royal Horticultural Society, Wisley, UK.
  2. 1 2 Stuart, D. D. (2006). Buddlejas. RHS Plant Collector Guide. Timber Press, Oregon. ISBN 978-0-88192-688-0
  3. ↑ Moore, P. (2011). List of Buddleja davidii cultivars held at Longstock Park Nursery, 2011. Longstock Park, UK.
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