CARLINA acaulis ssp. caulescens

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Organic seed CARLINA acaulis ssp. caulescens   Portion(s) (Image Rights)

CARLINA acaulis ssp. caulescens

Silver Thistle or Weather Thistle
(simplex)
Select Item No. CO274

Also available as:

Available

One Portion is usually sufficient for approx. 50 plants.
Please switch to gram for larger quantities.



Plant Description

Article Type: (Organic Seed DE-ÖKO-006)
Life Cycle: Perennial
Family: Asteraceae
Origin: Southern and Eastern Europe
Special Features: Large, shiny white flowering blooms with silvery foliage. Short-stemmed, pure white blossoms with silver bracts when mature. Open on dry days, and closed in the evenings and rainy days, hence the common name, Weather Thistle.
Historical: The Genus comes from Charles (Carolus). According to medieval folklore, Charlemagne, or Charles the Great, used this root to cure the ills of his troops.
 
Basic Colour: (white / cream)
Flower Colour: white
Natural Flowering Period: July - September
 
Winter Hardiness Zones: Z3 - Z9
Foliage: deeply dissected, silvery, with hairy undersides
Growth Habit: rosettes / low-growing
Height with Flowers: 50 cm
Spacing between Plants: 40 cm
Soil Requirements: dry / well-drained / poor, lean
Location:
Characteristics: medicinal plant / culinary herb
Usage: honey-bee food plant
Grams per 1000 seeds: 3.63636 Gram
Seeds per Gram
(does not correspond to the number of plants!):
275
Gram to get 1000 plants
(if sown directly into pots etc. you will need a larger quantity):
15 Gram
Sowing Rates/Trays: 3 - 4 per cell
Plug tray recommended size(s): 128 / 288
Sowing Direction:

(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):
late autumn - early spring
Sowing to Germination: 5 - 8 weeks
Germination to Transplant: 3 - 4 weeks
Transplanting to Potting: 6 - 8 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")
Vernalization: Some flowering will occur the first year without vernalization, but improved flowering will occur the 2nd year; and 3-10 weeks of cool temperatures might benefit fuller flowering in the first year.
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: Light (100-150 ppm)
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