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Jelitto · Seeds of more than 3700 different species and varieties
GENTIANA clusii
Plant Description
| Life Cycle: | Perennial |
| Family: | Gentianaceae |
| Origin: | Mountains in Central and Southern Europe: calcareous areas. |
| Special Features: | GENTIANA clusii has as G. acaulis very short flower stalks. G. clusii forms very many subspecies. This species is an acaulis type, without spots in the ultramarine blue flowers. |
| Basic Colour: | (blue) |
| Flower Colour: | dark azure |
| Natural Flowering Period: | May - June |
| Winter Hardiness Zones: |
Z5 - Z8
|
| Foliage: | elliptic to oblong lanceolate, glossy, leathery, green |
| Height with Flowers: | 10 cm |
| Spacing between Plants: | 10 cm |
| Soil Requirements: | lime-loving, calcareous / gritty / well-drained / average / cool |
| Location: | |
| Characteristics: | medicinal plant |
| Usage: | for the rock garden |
| Portion weight: | 0.042 Gram |
| Grams per 1000 seeds: | 0.33333 Gram |
| Seeds per Gram (does not correspond to the number of plants!): |
3000 |
| Gram to get 1000 plants (if sown directly into pots etc. you will need a larger quantity): |
2 Gram |
| Plug tray recommended size(s): | open flats / 128 |
| Sowing Direction: |
(1) Cold-germinators are still referred to as frost-germinators, although this isn’t quite correct. The sowing must be kept warm (about +18 to +22°C) [about 64 to 72°F] and moist for the first 2–4 weeks. After this period the sowing must be kept at a cold temperature (between –4 and +4°C) [between 25 and 39°F] for another 4–6 weeks. Colder temperatures of –5°C [23°F] are only advantageous for most species of the Ranunculus family. It is not so important if the temperature is higher or lower during the cooling period, but the cooling period has to be prolonged because the synthesis of the germination inducer, hormon-like acid, slows down or comes to a standstill.
|
| Container Size(s): | 1 plug per 8/9 cm (3 1/2") |
| Fertilizer: | Light (100-150 ppm) |
