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Jelitto · Seeds of more than 3700 different species and varieties
CAMPANULA portenschlagiana
Plant Description
| Life Cycle: | Perennial |
| Family: | Campanulaceae |
| Origin: | Southern Europe (Dalmatia) |
| Distinction: | Award of Garden Merit (A.G.M.) from the Royal Horticultural Society. |
| Special Features: | One of the most pupular of the alpine campanulas. Dozens of small, bell-shaped, deep-blue flowers cover the foliage. Vigorous and widely adaptable to dry situations, and even to partial shade. Wonderful for rock gardens and walls, great for containers. Abundant flowers. |
| Basic Colour: | (violet) |
| Flower Colour: | lilac-blue |
| Natural Flowering Period: | June - August |
| Winter Hardiness Zones: |
Z4 - Z8
|
| Foliage: | glossy green heart-shaped leaves with toothed edges |
| Growth Habit: | mat-forming |
| Height with Flowers: | 20 cm |
| Spacing between Plants: | 30 cm |
| Soil Requirements: | dry / well-drained |
| Location: | |
| Characteristics: | groundcover |
| Usage: | honey-bee food plant / for the rock garden / flowering pot plant |
| Portion weight: | 0.012 Gram |
| Grams per 1000 seeds: | 0.06897 Gram |
| Seeds per Gram (does not correspond to the number of plants!): |
14500 |
| 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: |
(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 |
| Germination to Transplant: | 4 - 8 weeks |
| Transplanting to Potting: | 6 - 10 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) |
