ASCLEPIAS tuberosa 'Gay Butterflies'

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GOLD NUGGET SEED ® ASCLEPIAS tuberosa  'Gay Butterflies' Seeds (Image Rights)

ASCLEPIAS tuberosa 'Gay Butterflies'

Butterfly Weed, Pleurisy Root, Silk Weed
Select Item No. AG988

Also available as:

1000 Seeds

Available

The minimum order quantity for this article are 100 seeds.

There are no units prepacked, any seed amount ( > minimum quantity) is weighed individually.



Plant Description

Article Type: (GOLD NUGGET SEED®)
Life Cycle: Perennial
Family: Asclepiadaceae
Origin: North America
Special Features: Colorful mixture, drought resistant, cut flowers, and decorative seed pods.
 
Basic Colour: (mixture)
Flower Colour: mixture of yellow, orange and red-orange
Natural Flowering Period: June - August
Flowering: First year flowering
 
Winter Hardiness Zones: Z3 - Z8
Foliage: dark green, hairy stems and leaves, lanceolate
Growth Habit: deep roots
Height with Flowers: 70 cm
Spacing between Plants: 60 cm
Soil Requirements: gritty / well-drained / rocky
Location:
Usage: suitable for cutting
Grams per 1000 seeds: 5 Gram
Seeds per Gram
(does not correspond to the number of plants!):
200
Sowing Rates/Trays: 2 per cell
Plug tray recommended size(s): 72 / 128
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: 3 - 4 weeks
Germination to Transplant: 2 - 4 weeks
Transplanting to Potting: 4 - 6 weeks
Cutting back at Transplanting: Cut-back once to keep more compact.
Container Size(s): 1 plug per 8/9 cm (3 1/2") / 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: 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: Medium (150-200 ppm)
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