ALCHEMILLA sericata 'Gold Strike'

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Pure seed ALCHEMILLA sericata  'Gold Strike' Portion(s) (Image Rights)

ALCHEMILLA sericata 'Gold Strike'

Lady's Mantle
Select Item No. AA174

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Available

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



Plant Description

Article Type: (pure seed)
Life Cycle: Perennial
Family: Rosaceae
Origin: Mediterranean to Caucasus
Special Features: Free flowering, bright chartreuse flowering umbels and velvety gray-green, scalloped foliage. More deeply lobed leaves than A.mollis, robust, compact and consistant habit. Thick weed-choking mounds.
Historical: Introduced by JELITTO PERENNIAL SEEDS in 2009. Folklore suggests that the dew drops on the leaves of Alchemilla could turn ordinary metals to gold.
 
Basic Colour: (yellow / gold)
Flower Colour: greenish-yellow
Natural Flowering Period: June - August
Flowering: First year flowering
 
Winter Hardiness Zones: Z3 - Z8
Foliage: velvety, gray-green
Growth Habit: cushion / dense
Height with Flowers: 35 cm
Spacing between Plants: 40 cm
Soil Requirements: moist / average
Location:
Characteristics: ornamental foliage plant
Usage: for the rock garden / suitable for cutting
Grams per 1000 seeds: 0.47619 Gram
Seeds per Gram
(does not correspond to the number of plants!):
2100
Gram to get 1000 plants
(if sown directly into pots etc. you will need a larger quantity):
2 Gram
Sowing Rates/Trays: 8 - 9 per cell
Plug tray recommended size(s): 72 / 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.
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 - 6 weeks
Transplanting to Potting: 6 - 8 weeks
Cutting back at Transplanting: Not Necessary.
Container Size(s): 1-2 plugs per 11/12 cm (4 1/2")
Vernalization: No vernalization required for flowering in the first year.
Forcing: There has been no research, but an obvious place to experiment - following vernalization - would be raising daytime temperatures to 60° - 65°F (15° - 17°C). Provide 16 hours of continuous lighting. During the short days of winter, provide a night interruption lighting of 4 hours between 10:00 p.m. and 2:00 a.m. Some later flowering species can be forced in 14 - 16 weeks and perhaps sooner at warmer temperatures. Further experiments are warranted.
Fertilizer: Medium (150-200 ppm)
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