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Jelitto · Seeds of more than 3700 different species and varieties
ERYNGIUM planum 'Blaukappe'
Plant Description
| Life Cycle: | Perennial |
| Family: | Apiaceae |
| Origin: | Central and Southeastern Europe; Central Asia |
| Special Features: | Intense blue flowers on wiry stems. Architecturally interesting round blossoms with spiny bracts. Outstanding as a cut flower. |
| Historical: | Introduced by JELITTO PERENNIAL SEEDS in 1992. Originating from the sterile cultivar, 'Blauer Zwerg' (Blue Dwarf), this introduction grows a bit taller but can be easily produced by seed. |
| Basic Colour: | (blue) |
| Flower Colour: | intense blue |
| Natural Flowering Period: | June - September |
| Winter Hardiness Zones: |
Z4 - Z8
|
| Foliage: | roundish, leathery, dark green basal leaves, almost spiny palmate-like, upper leaves |
| Growth Habit: | erect / sturdy |
| Height with Flowers: | 70 cm |
| Spacing between Plants: | 46 cm |
| Soil Requirements: | dry / well-drained / average |
| Location: | |
| Usage: | honey-bee food plant / suitable for cutting |
| Portion weight: | 0.441 Gram |
| Grams per 1000 seeds: | 1.44928 Gram |
| Seeds per Gram (does not correspond to the number of plants!): |
690 |
| 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): | 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): |
late autumn - early spring |
| Sowing to Germination: | 4 - 8 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) |
