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Jelitto · Seeds of more than 3700 different species and varieties
CENTAUREA nigra
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 |
| Portion weight: | 0.375 Gram |
| Grams per 1000 seeds: | 2.63158 Gram |
| Seeds per Gram (does not correspond to the number of plants!): |
380 |
| 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.
|
| Container Size(s): | 1-2 plugs per 11/12 cm (4 1/2") |
| Fertilizer: | Medium (150-200 ppm) |
