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Jelitto · Seeds of more than 3700 different species and varieties
PENSTEMON confertus
Plant Description
| Life Cycle: | Perennial |
| Family: | Scrophulariaceae |
| Origin: | North America, Canada, USA, Rocky Mountains: rocky slopes, prairie. |
| Special Features: | Light yellow, an unusual Penstemon color. Best in full sun and rather dry soil. |
| Basic Colour: | (yellow / gold) |
| Flower Colour: | light yellow |
| Natural Flowering Period: | May - July |
| Winter Hardiness Zones: |
Z3 - Z8
|
| Foliage: | lanceolate, green |
| Height with Flowers: | 30 cm |
| Spacing between Plants: | 25 cm |
| Soil Requirements: | dry / well-drained |
| Location: | |
| Usage: | honey-bee food plant / for the rock garden |
| Portion weight: | 0.1 Gram |
| Grams per 1000 seeds: | 0.08333 Gram |
| Seeds per Gram (does not correspond to the number of plants!): |
12000 |
| Gram to get 1000 plants (if sown directly into pots etc. you will need a larger quantity): |
3 Gram |
| Sowing Direction: |
(8) These perennial seeds germinate very irregularly over a long period. Lower temperatures of less than +5°C [41°F] are very effective. Seed trays should not be discarded prematurely. Constant moisture must be maintained. Do not leave in direct sunlight. For Alstroemeria we recommend to keep sowing for 3 weeks at approximately +30°C [86°F], then 3 weeks at +5°C [41°F], then at +21°C [70°F].
|
| 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) |
