CARLINA acaulis ssp. caulescens

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CARLINA acaulis ssp. caulescens

Silver Thistle or Weather Thistle
(simplex)
Select Item No. CA274

Also available as:

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Article will be imported through the USDA. Show all USDA items.

The conversion of seeds/gram is determined by the average weight of 1000 seeds and is rounded up to 2 positions after the decimal point. The number of seeds delivered may differ from the number ordered.



Plant Description

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 Carolus (Charles). 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-forming / low-growing
Height with Flowers: 50 cm
Spacing between Plants: 40 cm
Soil Requirements: dry / well-drained
Location:
Characteristics: medicinal plant
Usage: for the rock garden / suitable for cutting
Portion weight: 0.4 Gram
Grams per 1000 seeds: 3.33333 Gram
Seeds per Gram
(does not correspond to the number of plants!):
300
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):
Anytime
Sowing to Germination: 3 - 4 weeks
Germination to Transplant: 3 - 4 weeks
Transplanting to Potting: 6 - 8 weeks
Container Size(s): 1 plug per 8/9 cm (3 1/2") / 1-2 plugs per 11/12 cm (4 1/2")
Fertilizer: Light (100-150 ppm)
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