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Jelitto · Seeds of more than 3700 different species and varieties
ERYNGIUM leavenworthii
Plant Description
| Life Cycle: | Annual |
| Family: | Apiaceae |
| Origin: | South Central USA |
| Special Features: | An annual species with exotic blue-purple blooms with red-purple bracts and blue-grey foliage. Terrific cut flower. Plant with other drought resistant prairie plants. Appreciates the support of other adjacent plants. |
| Basic Colour: | (blue) |
| Flower Colour: | blue-purple |
| Natural Flowering Period: | July - September |
| Flowering: | First year flowering |
| Winter Hardiness Zones: |
Z4 - Z8
|
| Foliage: | blue-grey |
| Growth Habit: | erect |
| Height with Flowers: | 60 cm |
| Spacing between Plants: | 60 cm |
| Soil Requirements: | dry / well-drained / average |
| Location: | |
| Usage: | suitable for cutting |
| Portion weight: | 0.1 Gram |
| Grams per 1000 seeds: | 1.66667 Gram |
| Seeds per Gram (does not correspond to the number of plants!): |
600 |
| Gram to get 1000 plants (if sown directly into pots etc. you will need a larger quantity): |
5 Gram |
| Sowing Rates/Trays: | 2 - 3 per cell |
| Plug tray recommended size(s): | deep open flats / 72 |
| Sowing Direction: |
(9) These seeds germinate rapidly depending on species and origin. If germination does not occur after 3–4 weeks a cooling period of 2–4 weeks is recommended.
|
| Best Sowing Date (northern Hemisphere, Field condition): |
late autumn - early spring |
| Sowing Time Hint: | May require a 2nd moist/cold stratification. Be patient. |
| Sowing to Germination: | 8 - 10 weeks |
| Germination to Transplant: | 4 - 6 weeks |
| Transplanting to Potting: | 6 - 8 weeks |
| Container Size(s): | 1 plug per 8/9 cm (3 1/2") / 1-2 plugs per 11/12 cm (4 1/2") |
| Fertilizer: | Medium (150-200 ppm) |
