BUPHTHALMUM salicifolium 'Alpengold'

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BUPHTHALMUM salicifolium 'Alpengold'

Willowleaf Ox-Eye
Select Item No. BA069

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: Cultivar. Alps, Southeastern Europe: calcareous and low nutrient meadows.
Special Features: Larger flowers than the species, double ray of petals.
Historical: Introduced by JELITTO PERENNIAL SEEDS in 1991.
 
Basic Colour: (yellow / gold)
Flower Colour: golden
Natural Flowering Period: June - August
 
Winter Hardiness Zones: Z3 - Z9
Foliage: narrow, lanceolate, entire, upper sessile, strigose, deep green
Growth Habit: cushion-forming
Height with Flowers: 50 cm
Spacing between Plants: 50 cm
Soil Requirements: dry / lime-loving, calcareous / average / poor, lean
Location:
Usage: honey-bee food plant / suitable for cutting
Grams per 1000 seeds: 0.74074 Gram
Seeds per Gram
(does not correspond to the number of plants!):
1350
Gram to get 1000 plants
(if sown directly into pots etc. you will need a larger quantity):
5 Gram
Sowing Rates/Trays: 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")
Vernalization: A prudent recommendation would be to provide 6-12 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: 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.
Fertilizer: Light (100-150 ppm)
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