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|Origin:||Europe: alpine areas, meadows, bogs, open woodland.|
|Special Features:||The BARTSIA alpina is semi-parasitic, which attaches roots to other plants. The flowers are purple, also dark purple bracts.|
|Natural Flowering Period:||May - August|
|Winter Hardiness Zones:||Z4 - Z7|
|Foliage:||ovate, leave edge serrated, slightly hairy , green, dark purple bracts|
|Height with Flowers:||15 cm|
|Spacing between Plants:||15 cm|
|Soil Requirements:||lime-loving, calcareous / moist|
|Usage:||for the rock garden|
|Grams per 1000 seeds:||0.18868 Gram|
|Seeds per Gram
(does not correspond to the number of plants!):
|Gram to get 1000 plants
(if sown directly into pots etc. you will need a larger quantity):
|Plug tray recommended size(s):||open flats|
(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.
|Cutting back at Transplanting:||Cut-back once to keep more compact.|
|Container Size(s):||1-2 plugs per 11/12 cm (4 1/2")|
|Fertilizer:||Medium (150-200 ppm)|