ACONITUM anthora

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ACONITUM anthora

Yellow Monkshood, Hanging Wolfsbane
Select Item No. AA070

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



Plant Description

Life Cycle: Perennial
Family: Ranunculaceae
Origin: European Mountains to Central Asia: sunny mountain slopes, forest edges.
Special Features: Erect stems with pale yellow hooded blossoms.
Historical: All plant parts are toxic including the roots. Aconitum was used by the barbarians to poison the tips of their arrows.
 
Basic Colour: (yellow / gold)
Flower Colour: deep blue
Natural Flowering Period: July - August
 
Winter Hardiness Zones: Z2 - Z9
Foliage: more dissected than most ACONTIUM
Growth Habit: upright, erect
Height with Flowers: 80 cm
Spacing between Plants: 60 cm
Soil Requirements: lime-loving, calcareous / gritty / well-drained / rocky / average
Location:
Characteristics: toxic plant
Grams per 1000 seeds: 1.92308 Gram
Seeds per Gram
(does not correspond to the number of plants!):
520
Gram to get 1000 plants
(if sown directly into pots etc. you will need a larger quantity):
10 Gram
Sowing Rates/Trays: 3 - 4 per cell
Plug tray recommended size(s): open flats / 72
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.

Best Sowing Date
(northern Hemisphere, Field condition):
late autumn - early spring
Sowing to Germination: 8 - 10 weeks
Germination to Transplant: 4 - 8 weeks
Transplanting to Potting: 6 - 10 weeks
Cutting back at Transplanting: Not Necessary.
Container Size(s): 1-2 plugs per 11/12 cm (4 1/2") / 2-3 plugs per 15 cm (6")
Vernalization: There is no current research on vernalization but a prudent recommendation for any perennial would be 6-12 weeks (a few might need 15 weeks!) at an average daily temperature of 40°F (5°C). Exposure to cold may not be necessary for flowering but might improve quality.
Forcing: This species is not a suitable candidate for forcing.
Fertilizer: Medium (150-200 ppm)
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