| Dracocephalum heterophyllum; photo by Todd Boland|
- Description and general information
- Dracocephalum heterophyllum , also known as white dragonhead, forms a somewhat mounding plant 10-15 cm (rarely to 30 cm) with round to spoon-shaped, stiffly hairy leaves. The leaf edges have shallow, rouned teeth and the leaves emit a pleasant fragrance when bruised. Flowers are produced in relatively large round to cylindrical heads at the ends of the semi-prostrate stems.
- This Dracocephalum inhabits mountain meadows and barren slopes and screes at elevations of 1100-5000 m. It is a wide-ranging species native to the Himalayas of China, Sikkim, Nepal, SE Tibet, Soviet central asia, Pakistan and NE Afghanistan.
- This species requires well-drained soil and full sun. They are very drought tolerant but do not like winter-wet. It is hardy to zone 3 (it is known to survive in Calgary, Alberta).
- Bloom period
- Mostly June through August but as early as May in mild regions.
- Seed, division and cuttings.
- Sow seed at 15-20°C. If germination does not occur within 4 weeks, chill them at 4°C for 4 weeks.
- Division of larger plants in spring or autumn.
- Basal cuttings may be taken when the new growths are a few centimetres long (April/June).
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Created by Todd Boland.
Last Modification: Wednesday 28 of December, 2011 17:41:31 CST by Todd Boland.
The original document is available at http://nargs.org/nargswiki/tiki-index.php?page=Plant+of+the+Month+January+2012