CENTAUREA nigra

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CENTAUREA nigra

Lesser Knapweed
Select Item No. CA322

Available

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



Plant Description

Life Cycle: Perennial
Family: Asteraceae
Origin: Northwestern to Central Europe: roadsides, meadows and waste areas.
Special Features: Fine divided petals without large florets in discoid inflorescences. Black bracts.
 
Basic Colour: (red / scarlet / purple)
Flower Colour: purple
Natural Flowering Period: June - August
 
Winter Hardiness Zones: Z4 - Z9
Foliage: basal leaves up to 25cm long, elliptic to oblanceolate, sometimes dentate, green.
Growth Habit: richly branched / lax
Height with Flowers: 70 cm
Spacing between Plants: 40 cm
Soil Requirements: dry / well-drained / average
Location:
Usage: honey-bee food plant / suitable for cutting
Grams per 1000 seeds: 2.5 Gram
Seeds per Gram
(does not correspond to the number of plants!):
400
Gram to get 1000 plants
(if sown directly into pots etc. you will need a larger quantity):
20 Gram
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.

Cutting back at Transplanting: Not Necessary.
Container Size(s): 1-2 plugs per 11/12 cm (4 1/2")
Fertilizer: Medium (150-200 ppm)
Jelitto · Seeds of more than 3700 different species and varieties

 

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