ACHILLEA clypeolata

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ACHILLEA clypeolata

Yarrow
Select Item No. AA022

Available

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



Plant Description

Life Cycle: Perennial
Family: Asteraceae
Origin: Balkans, Southeastern Romania
Special Features: A shorter version of ACHILLEA filipendulina. Flat heads of bright yellow. Suitable for the rock garden or the front of the border. Outstanding fresh, or dried, cut flowers.
Historical: Used in hybrid crosses with the taller ACHILLEA filipendulina.
 
Basic Colour: (yellow / gold)
Flower Colour: golden
Natural Flowering Period: June - August
 
Winter Hardiness Zones: Z4 - Z8
Foliage: silvery-grey, pinnatifid
Growth Habit: mat-forming / clumping
Height with Flowers: 50 cm
Spacing between Plants: 50 cm
Soil Requirements: dry / well-drained / warm / undemanding
Location:
Usage: honey-bee food plant / for the rock garden / suitable for cutting
Grams per 1000 seeds: 0.1 Gram
Seeds per Gram
(does not correspond to the number of plants!):
10000
Gram to get 1000 plants
(if sown directly into pots etc. you will need a larger quantity):
1 Gram
Sowing Rates/Trays: 4 - 5 per cell
Plug tray recommended size(s): 128 / 288
Sowing Direction:

(15) Rapidly germinating, keep seed in constant moisture (not wet) with temperatures of about +20°C [68°F]. Seeds must be covered thinly. Do not cover very small seeds, but tightly press into the earth. Keep in cooler conditions after germination occurs.

Best Sowing Date
(northern Hemisphere, Field condition):
Anytime
Sowing to Germination: 2 - 3 weeks
Germination to Transplant: 4 - 8 weeks
Transplanting to Potting: 6 - 10 weeks
Cutting back at Transplanting: Cut back 1-2 times; once at transplanting; once again 4 weeks later to keep more compact.
Container Size(s): 1-2 plugs per 11/12 cm (4 1/2") / 2-3 plugs per 15 cm (6")
Vernalization: Some flowering will occur the first year without vernalization, but improved flowering will occur the 2nd year; and 3-10 weeks of cool temperatures might benefit fuller flowering in the first year.
Forcing: 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. 6-8 weeks to flower.
Fertilizer: Medium (150-200 ppm)
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