TROLLIUS altaicus

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TROLLIUS altaicus

Siberian Globe Flower
Select Item No. TA232

Available

One Portion is usually sufficient for approx. 50 plants.
Please switch to gram for larger quantities.



Plant Description

Life Cycle: Perennial
Family: Ranunculaceae
Origin: Kazakhstan, Siberia to Mongolia: grassy slopes, wet valleys.
Special Features: Very large cup-shaped blossoms.
 
Basic Colour: (orange)
Flower Colour: bright orange-yellow with black-reddish stigmas
Natural Flowering Period: May - July
 
Winter Hardiness Zones: Z3 - Z7
Foliage: basal leaves petiolate, deeply fringed, 2-parted, upper 3-parted, coarsly serrate, green
Height with Flowers: 50 cm
Soil Requirements: moist
Location:
Usage: for the rock garden / suitable for cutting
Grams per 1000 seeds: 1.25 Gram
Seeds per Gram
(does not correspond to the number of plants!):
800
Gram to get 1000 plants
(if sown directly into pots etc. you will need a larger quantity):
5 Gram
Sowing Direction:

(2) Most species of the Ranunculus-family need lower temperatures during the cooling-period – about –5°C [23°F]. In other respects follow the directions in 1. above. The reason is probably the freezing point of these seeds, which is at –7°C [19°F], while most other seeds freeze at –5°C [23°F].

(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.
It is beneficial to cover the sowing with snow during the cooling-period. The temperature below it usually keeps in the optimum range of –4 to 0°C [25 to 32°F]. The sowing is kept moist, and the melting snow helps to destroy the shell, which is advantageous for the germinating seedling. After this cooling-period the sowing may not be immediately exposed to high temperatures. The most effective temperatures are between +5 to +12°C [41 to 54°F], even if germination has started. The best location for this sowing, even in March, April and May, is the open field, the cold frame or a cold greenhouse.

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