ECHINOPS bannaticus 'Star Frost'

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ECHINOPS bannaticus 'Star Frost'

Globe Thistle
Select Item No. EA011

Available

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



Plant Description

Article Type: (pure seed)
Life Cycle: Perennial
Family: Asteraceae
Origin: Cultivar. The wild species grows in Europe.
Special Features: A shorter habit with nice branching and a profusion of golf-ball sized white blooms, plus decorative foliage. Healthy dark green foliage, leaf underside grey. Good for bees.
Historical: Introduced by JELITTO PERENNIAL SEEDS in 2008. Parkinson sang the praises of Echinops in 1629 in Paradisi in Sole Paradisus Terrestris. John Evelyn later included a few species in Elysium Britannicum, a 17th century compendium of all good things to grow, under a listing for 'Flowering Plants for the Coronary Garden'.
 
Basic Colour: (white / cream)
Flower Colour: silvery-white
Natural Flowering Period: July - September
Flowering: First year flowering
 
Winter Hardiness Zones: Z3 - Z8
Foliage: thistle-shaped, deep green on the upper sides and grey-green below
Growth Habit: erect
Height with Flowers: 100 cm
Spacing between Plants: 50 cm
Soil Requirements: dry / well-drained / average
Location:
Usage: honey-bee food plant / suitable for cutting
Grams per 1000 seeds: 16.66667 Gram
Seeds per Gram
(does not correspond to the number of plants!):
60
Gram to get 1000 plants
(if sown directly into pots etc. you will need a larger quantity):
50 Gram
Sowing Rates/Trays: 3 per cell
Plug tray recommended size(s): open flats / 72
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):
Anytime
Sowing to Germination: 3 - 4 weeks
Germination to Transplant: 4 - 6 weeks
Transplanting to Potting: 6 - 8 weeks
Cutting back at Transplanting: Cut-back once to keep more compact.
Container Size(s): 1-2 plugs per 11/12 cm (4 1/2") / 2-3 plugs per 15 cm (6")
Vernalization: There is no current research on vernalization but a prudent recommendation for any perennial would be 6-12 weeks (a few might need 15 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)
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