Have you forgotten your password?
Jelitto · Seeds of more than 3700 different species and varieties
ERYSIMUM helveticum
Plant Description
| Life Cycle: | Perennial |
| Family: | Brassicaceae |
| Origin: | Central and Eastern Europe |
| Special Features: | Compact plants featuring fragrant flowers. Sulphur-yellow flower heads opening from purple buds. |
| Basic Colour: | (yellow / gold) |
| Flower Colour: | sulphur yellow |
| Natural Flowering Period: | June - August |
| Winter Hardiness Zones: |
Z4 - Z8
|
| Foliage: | linear, deep green |
| Growth Habit: | clumping |
| Height with Flowers: | 25 cm |
| Spacing between Plants: | 25 cm |
| Soil Requirements: | dry / well-drained |
| Location: | |
| Usage: | for the rock garden |
| Portion weight: | 0.15 Gram |
| Grams per 1000 seeds: | 0.83333 Gram |
| Seeds per Gram (does not correspond to the number of plants!): |
1200 |
| Gram to get 1000 plants (if sown directly into pots etc. you will need a larger quantity): |
2 Gram |
| Sowing Rates/Trays: | 2 per cell |
| Plug tray recommended size(s): | 128 / 288 |
| 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): |
Anytime |
| Sowing to Germination: | 2 - 3 weeks |
| Germination to Transplant: | 4 - 6 weeks |
| Transplanting to Potting: | 6 - 10 weeks |
| Container Size(s): | 1-2 plugs per 11/12 cm (4 1/2") |
| Fertilizer: | Light (100-150 ppm) |
