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Jelitto · Seeds of more than 3700 different species and varieties
HELIOPSIS helianthoides var. scabra 'Sommersonne'
Plant Description
| Life Cycle: | Perennial |
| Family: | Asteraceae |
| Origin: | Eastern North America |
| Special Features: | Semi-double golden flowers on sturdy stems. |
| Basic Colour: | (yellow / gold) |
| Flower Colour: | golden |
| Natural Flowering Period: | July - September |
| Flowering: | First year flowering |
| Flower: | semi-double |
| Winter Hardiness Zones: |
Z3 - Z9
|
| Foliage: | ovate to lanceolate basal leaves |
| Growth Habit: | erect / clumping |
| Height with Flowers: | 120 cm |
| Spacing between Plants: | 75 cm |
| Soil Requirements: | well-drained / average |
| Location: | |
| Usage: | suitable for cutting |
| Portion weight: | 0.6 Gram |
| Grams per 1000 seeds: | 3.63636 Gram |
| Seeds per Gram (does not correspond to the number of plants!): |
275 |
| Gram to get 1000 plants (if sown directly into pots etc. you will need a larger quantity): |
10 Gram |
| Sowing Rates/Trays: | 2 - 3 per cell |
| Plug tray recommended size(s): | 72 / 128 |
| 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: | 2 - 3 weeks |
| Germination to Transplant: | 4 - 6 weeks |
| Transplanting to Potting: | 6 - 8 weeks |
| Container Size(s): | 1-2 plugs per 11/12 cm (4 1/2") |
| Fertilizer: | Medium (150-200 ppm) |
