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|Special Features:||Especially large blooms that appear to float like songbirds above a birdbath. Popular selection for container production. A very early flowering columbine for container or rock gardens with extremely large flowers (5-9 cm), approx. 750 seeds = 1g. See also the other colors of the Songbird Series.|
|Natural Flowering Period:||May - July|
|Winter Hardiness Zones:||Z4 - Z7|
|Foliage:||rounded, multi-lobed, grey-green|
|Height with Flowers:||60 cm|
|Spacing between Plants:||40 cm|
|Soil Requirements:||well-drained / average|
|Usage:||for the rock garden / flowering pot plant|
|Grams per 1000 seeds:||1.25 Gram|
|Seeds per Gram
(does not correspond to the number of plants!):
|Gram to get 1000 plants
(if sown directly into pots etc. you will need a larger quantity):
|Sowing Rates/Trays:||2 per cell|
|Plug tray recommended size(s):||128 / 288|
(16) See 15 with the exception of germination being slower and more irregular. This poses no problems.
(15) Rapidly germinating, keep seed in constant moisture (not wet) with temperatures of about +20°C [68°F]. Seeds must be covered thinly. Do not cover very small seeds, but tightly press into the earth. Keep in cooler conditions after germination occurs.
|Best Sowing Date
(northern Hemisphere, Field condition):
|Sowing to Germination:||2 - 3 weeks|
|Germination to Transplant:||3 - 4 weeks|
|Transplanting to Potting:||4 - 6 weeks|
|Cutting back at Transplanting:||Not Necessary.|
|Container Size(s):||1 plug per 8/9 cm (3 1/2") / 1-2 plugs per 11/12 cm (4 1/2") / 2-3 plugs per 15 cm (6")|
|Vernalization:||A prudent recommendation would be to provide 6-12 weeks at an average daily temperature of 40°F (5°C). Exposure to cold may not be necessary for flowering but might improve quality.|
|Forcing:||An obvious place to experiment - following vernalization - would be raising daytime temperatures to 60° - 65°F (15° - 17°C). Provide 16 hours of continuous lighting. During the short days of winter, provide a night interruption lighting of 4 hours between 10:00 p.m. and 2:00 a.m.|
|Fertilizer:||Medium (150-200 ppm)|