STOKESIA laevis

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STOKESIA laevis

Stoke's Aster
[Blue Star]
Select Item No. SA640

Quantitative Restriction

1 Portion contains 20-250 seeds depending on value and size.
Please switch to gram for larger quantities.



Plant Description

Life Cycle: Perennial
Family: Asteraceae
Origin: USA: in pinewoods from North Carolina to Louisiana
Special Features: Beautiful bluish-lilac colored flowers which resemble a large cornflower (Centaurea cyanus)
Historical: This species has created recent scientific interest as a potential source for fatty acids that are routinely available in soybean and linseed oils.
 
Basic Colour: (violet)
Flower Colour: lilac
Natural Flowering Period: August - October
 
Winter Hardiness Zones: Z5 - Z9
Foliage: leathery, dark green, lanceolate
Growth Habit: rosettes-forming / clumping
Height with Flowers: 30 cm
Spacing between Plants: 45 cm
Soil Requirements: dry / well-drained
Location:
Usage: for the rock garden / suitable for cutting
Portion weight: 0.5 Gram
Grams per 1000 seeds: 8.33333 Gram
Seeds per Gram
(does not correspond to the number of plants!):
120
Gram to get 1000 plants
(if sown directly into pots etc. you will need a larger quantity):
15 Gram
Sowing Rates/Trays: 2 per cell
Plug tray recommended size(s): 72 / 128
Sowing Direction:

(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):
late autumn - early spring
Sowing to Germination: 2 - 3 weeks
Germination to Transplant: 4 - 8 weeks
Transplanting to Potting: 6 - 10 weeks
Container Size(s): 1-2 plugs per 11/12 cm (4 1/2") / 2-3 plugs per 15 cm (6")
Fertilizer: Medium (150-200 ppm)
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