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Jelitto · Seeds of more than 3700 different species and varieties
PENSTEMON virgatus 'Blue Buckle'
Plant Description
| Life Cycle: | Perennial |
| Family: | Scrophulariaceae |
| Origin: | Western North America |
| Special Features: | Numerous PENSTEMON species are notoriously difficult to grow outside of their natural habitat. But this is not the case for PENSTEMON virgatus (deaveri). Rich-flowering select strain with large flowers arranged in dense clusters on rigid, upright stems. It can withstand heat and drought without falling out of rank and is cold hardy and tough-natured, too. |
| Historical: | Introduced by JELITTO PERENNIAL SEED in 2002. |
| Basic Colour: | (blue) |
| Flower Colour: | blue-purple |
| Natural Flowering Period: | July - September |
| Winter Hardiness Zones: |
Z5 - Z8
|
| Foliage: | narrow, glossy, dark-green, narrow |
| Growth Habit: | erect |
| Height with Flowers: | 30 cm |
| Spacing between Plants: | 40 cm |
| Soil Requirements: | dry / well-drained |
| Location: | |
| Usage: | for the rock garden |
| Portion weight: | 0.075 Gram |
| Grams per 1000 seeds: | 0.55556 Gram |
| Seeds per Gram (does not correspond to the number of plants!): |
1800 |
| Gram to get 1000 plants (if sown directly into pots etc. you will need a larger quantity): |
3 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) |
