ASCLEPIAS asperula

Product 397 From 2768

ASCLEPIAS asperula

Antelope Horns, Spider Milkweed
Select Item No. AA973

Quantitative Restriction

1 Portion contains 20-250 seeds depending on value and size.
Please switch to gram for larger quantities.

Plant Description

Life Cycle: Perennial
Family: Asclepiadaceae
Origin: South-western North America: prairie, hillsides, open woodlands.
Special Features: Greenish-yellow umbels, broad lanceolate foliage. Attractive for butterflies and other pollinators. Important food plant for the monarch butterfly caterpillar. Deer resistant. Use for low maintenance plantings. Suitable for natural landscaping.
Basic Colour: (yellow / gold / green)
Flower Colour: greenish-yellow umbels
Natural Flowering Period: April - August
Flowering: First year flowering
Winter Hardiness Zones: Z3 - Z9
Foliage: Entire, broad lanceolate, green to dull green.
Growth Habit: deep roots
Height with Flowers: 40 cm
Spacing between Plants: 50 cm
Soil Requirements: dry / well-drained / average
Usage: suitable for cutting
Portion weight: 0.2 Gram
Grams per 1000 seeds: 4.34783 Gram
Seeds per Gram
(does not correspond to the number of plants!):
Gram to get 1000 plants
(if sown directly into pots etc. you will need a larger quantity):
10 Gram
Sowing Direction:

(16) See 15 with the exception of germination being slower and more irregular. This poses no problems.

(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.

Sowing Time Hint: Spring to early summer. All year long if kept frostree.
Container Size(s): 1 plug per 8/9 cm (3 1/2")
Fertilizer: Medium (150-200 ppm)
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