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Jelitto · Seeds of more than 3700 different species and varieties
RUDBECKIA maxima
Plant Description
| Life Cycle: | Perennial |
| Family: | Asteraceae |
| Origin: | North America: Missouri, south to Louisiana and Texas |
| Special Features: | Handsome foliage and towering flowering stems with drooping golden blossoms surrounding the tall (5 cm) black center. Also well-suited for the back of the border or meadow planting. |
| Basic Colour: | (yellow / gold) |
| Flower Colour: | yellow |
| Natural Flowering Period: | August - September |
| Winter Hardiness Zones: |
Z5 - Z9
|
| Foliage: | blue-green, paddle-shaped, ovate |
| Growth Habit: | erect |
| Height with Flowers: | 200 cm |
| Spacing between Plants: | 75 cm |
| Soil Requirements: | dry / well-drained |
| Location: | |
| Characteristics: | solitary plant |
| Usage: | suitable for cutting |
| Portion weight: | 0.3 Gram |
| Grams per 1000 seeds: | 7.14286 Gram |
| Seeds per Gram (does not correspond to the number of plants!): |
140 |
| Gram to get 1000 plants (if sown directly into pots etc. you will need a larger quantity): |
15 Gram |
| Sowing Rates/Trays: | 3 per cell |
| Plug tray recommended size(s): | open flats / 72 |
| 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 - 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) |
