Distinctive Flower Clusters
Produces unusual greenish flowers with purple or reddish accents that add interest to native wildflower gardens.
Antelope Horns Asclepias Asperula Seeds for Sale
Suitable for home gardening use
Regular price
Rs. 16.99 INR
Sale price
Rs. 16.99 INR
Regular price
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Product description
Antelope Horns Asclepias Asperula Seeds
Antelope Horns, botanically known as Asclepias asperula, is a perennial native wildflower of the southwestern United States and parts of Mexico. Also called spider milkweed, this distinctive plant produces clusters of greenish flowers with purple accents and develops unusual seed pods that split open to release silky, wind-dispersed seeds. It is valued in native plant gardens, dry landscapes, and pollinator-friendly planting areas. This milkweed can support monarch butterfly habitats where its range and growing conditions are suitable.
Native Wildflower
Spider Milkweed
Pollinator Garden
Drought-Adapted Plant
Key Features
Monarch Host Plant
Serves as a host plant for monarch butterfly caterpillars in suitable parts of its native range.
Adapted to Dry Conditions
Develops characteristics suited to dry and semi-arid environments when established in appropriate soil.
Unusual Seed Pods
Forms distinctive pods that split open when mature, releasing seeds attached to silky fibers.
Product Highlights
Scientific name: Asclepias asperula
Commonly called antelope horns
Also known as spider milkweed
Green flowers with purple accents
Native southwestern wildflower
Host plant for monarch caterpillars
Suitable for native plant gardens
Prefers well-drained soil
Specifications
| Scientific Name | Asclepias asperula |
| Common Name | Antelope Horns; Spider Milkweed |
| Plant Family | Apocynaceae |
| Seed Type | Native Wildflower Seeds |
| Plant Type | Perennial Herbaceous Wildflower |
| Growth Habit | Upright to spreading, with stems that may grow from a perennial root system |
| Flower Color | Greenish with purple or reddish accents |
| USDA Hardiness Zones | Generally zones 6–9; local adaptation varies by population and climate |
| Planting Season | Fall or spring, depending on climate and seed-treatment requirements |
| Seed Starting | Follow species-specific instructions; cold stratification may improve germination |
| Germination Time | Variable; depends on seed viability, pretreatment, and growing conditions |
| Germination Temperature | Moderate temperatures are generally suitable after any required pretreatment |
| Sunlight | Full sun to partial shade |
| Soil Requirements | Well-drained sandy, rocky, or loamy soil |
| Watering | Water during establishment; avoid prolonged waterlogging once established |
| Mature Plant Height | Approximately 30–90 cm (12–36 inches), depending on growing conditions |
| Plant Spacing | Allow approximately 30–60 cm (12–24 inches), adjusting for site conditions |
| Propagation Method | Seeds; established plants may also regrow from perennial roots |
| Garden Uses | Native wildflower gardens, dry landscapes, and pollinator habitats |
Growing Guide
Step 1: Prepare the Seeds
Check the seed supplier's instructions before sowing. Some milkweed seeds benefit from a period of cold, moist stratification to improve germination.
Check the seed supplier's instructions before sowing. Some milkweed seeds benefit from a period of cold, moist stratification to improve germination.
Step 2: Select a Suitable Location
Choose a sunny garden area with well-drained sandy or rocky soil. Avoid locations where water remains around the roots for extended periods.
Choose a sunny garden area with well-drained sandy or rocky soil. Avoid locations where water remains around the roots for extended periods.
Step 3: Sow the Seeds
Sow seeds at the depth recommended by the supplier. Keep the soil lightly moist during germination without making the growing medium waterlogged.
Sow seeds at the depth recommended by the supplier. Keep the soil lightly moist during germination without making the growing medium waterlogged.
Step 4: Care for Seedlings
Provide suitable light and gentle watering as seedlings develop. Handle young plants carefully because milkweeds can form roots that are sensitive to disturbance.
Provide suitable light and gentle watering as seedlings develop. Handle young plants carefully because milkweeds can form roots that are sensitive to disturbance.
Step 5: Maintain Established Plants
Water during prolonged dry periods while plants establish. Once established, avoid excessive watering and allow the plant to grow under conditions suited to its native habitat.
Water during prolonged dry periods while plants establish. Once established, avoid excessive watering and allow the plant to grow under conditions suited to its native habitat.
Step 6: Support Local Pollinators
Grow the plant where it is regionally appropriate and avoid pesticide use around flowering plants. Milkweed species contain compounds that can be harmful if eaten, so keep plant material away from children and pets.
Grow the plant where it is regionally appropriate and avoid pesticide use around flowering plants. Milkweed species contain compounds that can be harmful if eaten, so keep plant material away from children and pets.
Bring Native Wildflower Beauty to Your Garden
Antelope Horns Asclepias asperula Seeds offer an opportunity to grow a distinctive southwestern native wildflower with unusual flowers and seed pods. In suitable climates and locations, this perennial can contribute to native plant gardens and monarch butterfly habitats. Provide well-drained soil, appropriate sunlight, and species-specific seed preparation for the best chance of successful establishment.
Frequently Asked Questions
Learn about antelope horns seed germination, monarch butterfly habitat, and the plant's unusual seed pods.
Do Antelope Horns milkweed seeds need cold stratification?
Cold, moist stratification may improve germination for Antelope Horns milkweed seeds. Requirements can vary by seed lot and growing conditions, so follow the supplier's instructions before sowing.
Is Asclepias asperula a host plant for monarch butterflies?
Yes. Asclepias asperula can serve as a host plant for monarch caterpillars in suitable parts of its native range. Growing regionally appropriate milkweed and avoiding pesticides can help support butterfly habitat.
Why are Antelope Horns milkweed seed pods shaped like horns?
The plant develops distinctive curved seed pods that resemble antelope horns, inspiring its common name. As the pods mature and split open, they release seeds attached to silky fibers that help carry them in the wind.