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Jelitto · Seeds of more than 3700 different species and varieties
PRIMULA denticulata 'Blue Selection'
Plant Description
| Life Cycle: | Perennial |
| Family: | Primulaceae |
| Origin: | Afghanistan to Southeastern Tibet and Burma |
| Special Features: | Lovely, dark blue shades on this select seed strain. Distinctively shaped 'drumstick' blossoms. One of the easiest primrose to germinate. Early spring flowering. Full sun in cool summer climates to semi-shade elsewhere. |
| Historical: | Introduced by JELITTO PERENNIAL SEEDS in 1994. |
| Basic Colour: | (blue) |
| Flower Colour: | dark blue |
| Natural Flowering Period: | March - April |
| Winter Hardiness Zones: |
Z4 - Z8
|
| Foliage: | spatula-shaped, toothed |
| Growth Habit: | erect / rosettes-forming / clumping |
| Height with Flowers: | 30 cm |
| Spacing between Plants: | 25 cm |
| Soil Requirements: | moist / humus rich, fertile |
| Location: | |
| Characteristics: | groundcover |
| Usage: | for the rock garden |
| Portion weight: | 0.012 Gram |
| Grams per 1000 seeds: | 0.05882 Gram |
| Seeds per Gram (does not correspond to the number of plants!): |
17000 |
| Gram to get 1000 plants (if sown directly into pots etc. you will need a larger quantity): |
0.5 Gram |
| Sowing Rates/Trays: | 6 per cell |
| Plug tray recommended size(s): | 128 / 288 |
| 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") |
| Fertilizer: | Medium (150-200 ppm) |
