Delphinium (Belladonna group) 'ATLANTIS' larkspur
size/type
mid-sized perennial,mid-sized perennial
usual height
0,6-1m
usual width
0,4-0,6m
leaves
deciduous broadleaf
colour of leaves
flowers
showy
colour of flowers
blooming time
June-August
location
full sun
USDA zone (lowest)
5 (down to -29°C)
winter protection
for zone 5+6
for zone 7
categorized
Description of the plant:
Larkspur is a favourite perennial where varieties with blue flowers are most popular. Atlantis is a variety from Belladona group with deep, velvety blue flowers. They appear on up to 1 m long stems. Even though they are quite strong we suggest staking the stems to prevent damage by wind or heavy rain on exposed sites. Thinning is recommended for best results – in spring when the new shoots are about 7 cm tall leave only 3 shoots on young plants and max. 7 shoots on strong plants to encourage only strong growths. Cut back stems with spent flowers to prolong flowering period.
The name delphinium was used to describe the shape of the flower bud which looks like a dolphin (rather fat one). The plant contains toxin which may cause severe discomfort if ingested. Fully hardy to min. -27°C (USDA zone 5).
Last update 12-06-2009.
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