Home / Guides / Plant Files / Apocynaceae

Asclepias Species, Antelope Horns Milkweed

Asclepiasasperula subsp. capricornu

Upload Image Print Article
Upload Image Print Article
Family
Apocynaceae (a-pos-ih-NAY-see-ee)
Info
Genus
Asclepias (ass-KLE-pee-us)
Info
Synonym
Asclepias capricornu
Asclepias decumbens
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Evergreen
Smooth
Height
18-24 in. (45-60 cm)
Spacing

Unknown - Tell us

Hardiness
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Danger
All parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction
Bloom Color
Green
Pale Green
White/Near White
Bloom Time
Late Winter/Early Spring
Mid Spring
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Other Details
Category
Perennials
Water Requirements

Unknown - Tell us

Foliage Color

Unknown - Tell us

Where to Grow

Unknown - Tell us

Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size

Unknown - Tell us

Other details

Unknown - Tell us

Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
Seed Collecting
Bag seedheads to capture ripening seed
Allow pods to dry on plant; break open to collect seeds
Regional
View this plant in a garden
0 members have or want this plant for trade

Featured Videos

Gardener's Notes:

Post Comment
0
positive
1
neutral
0
negative
Sort By:
Post Comment
Sort By:
F
F
frostweed
Josephine, Arlington, TX (Zone 8a) | November 2006 | neutral

Antelope Horns Milkweed, Asclepias asperula subsp. capricornu, is native to Texas and other States.

Popular Plants
SEE ALL
Iris
Peppers
Hydrangeas
Hostas
Contribute to Dave’s Garden
Add a New Plant to the List
Featured
BUG FILES
Hammerhead Worm (land planarian)
(Bipalium kewense)
BIRD FILES
Sandhill crane
(Grus antigone canadensis)
Quick Links
View All Families
View All Genera
View All Species
Freeze/Frost Dates
PlantFiles FAQ
Plants with no Photos
Contribute to Dave’s Garden
Add a New Plant to the List
Featured
BUG FILES
Hammerhead Worm (land planarian)
(Bipalium kewense)
BIRD FILES
Sandhill crane
(Grus antigone canadensis)