Butterfly Bush Milkweed Seeds

SKU: FL2036
Butterfly Bush Milkweed seeds, sometimes called Orange Milkweed, is a hearty perennial intensely attractive to butterflies and other beneficial garden insects. It is highly drought resistant, so useful for xeriscaping. Read More

Exposure Full-sun

Butterfly Bush Milkweed Seeds has a rating of 4.8 stars based on 8 reviews.
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Attracts Pollinators
Shipping & Returns

West Coast Seeds ships anywhere in North America. However, we are not able to ship garlic, potatoes, asparagus crowns, bulbs, onion sets, Mason bee cocoons, or nematodes outside of Canada. We regret, we cannot accept returns or damages for orders outside of Canada. The minimum shipping charge to the US is $9.99.

Butterfly Bush

Product Details

Asclepias tuberosa. Butterfly Bush Milkweed seeds, sometimes called Orange Milkweed, is a hearty perennial intensely attractive to butterflies and other beneficial garden insects. It is highly drought resistant, so useful for xeriscaping. Unlike other members of the Milkweed family, Butterfly Weed does not issue a milky sap when broken. Waxy green stems to 70cm (27") tall are topped by vivid orange flower clusters. Grown in small clusters, this plant attracts butterflies like no other, even in urban gardens. Flowers are followed by exotic looking fruits that release easy-to-harvest seeds. All milkweeds are useful, nectar rich food plants for butterflies, including the Monarch butterfly.

This is not the milkweed species that is used as a food plant by the Monarch caterpillar. That plant is A. incarnata, or Swamp Milkweed.

NOTE: All parts of the plant are harmful if swallowed. Asclepias leaves can be toxic to chickens, so plant out of range of foraging flocks.

Perennial

Quick Facts:

    • Perennial
    • Vivid orange flower clusters
    • Waxy green stems to 70cm (27") tall
    • Attracts butterflies
    • Non-invasive species

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All About Butterfly Bush Milkweed Seeds

Latin

Latin
Ascelpias sp.
Family:Β Apocynaceae

Difficulty

Difficulty
Easy

Season & Zone

Season & Zone
Exposure: Full sun
Zone:Β Hardy to Zone 3

Timing

Timing
Sow indoors 6-8 weeks before the last frost date and transplant or direct sow towards late spring. Optimal soil temperature for germination:Β 10-25Β°C (50-75Β°F). Seeds should sprout in 7-35 days. Asclepias may benefit from stratification: Seeded trays are wrapped in plastic and refrigerated for two to three weeks before being placed over bottom heat. This may result in more even and speedier germination.

We have had success direct sowing A. tuberosa in March, with blooms the first year. In our experience, A. speciosa returns with vigour in the second year and begins blooming by June here on the west coast.

Starting

Starting
Barely cover the small seeds using sterilized seed starting mix. Space transplants 30-60cm (12-24β€³) apart.

Growing

Growing
For many years several Asclepias species were listed as invasive weeds because of their sometimes aggressive spreading by underground rhizomes and their giant, dandelion-like seeds. The seeds emerge from very conspicuous pods which are easily removed before they dry and crack. As the population of wild Asclepias diminished, so did the populations of many butterflies that depend on them as food and nursery plants (including the endangered Monarch). Now that they have been de-listed, we encourage home gardeners to grow them with the advance knowledge that they can spread. Try growing them in a large container like a half barrel, and be conscious of the seed pods as they develop. In short, please be responsible with Asclepias species.

Note:Β All parts of the plant are harmful if eaten. Flowers are not edible.

Download our Asclepias tuberosa Factsheet.

How to Grow Asclepias

Step 1

Timing

Sow indoors 6-8 weeks before the last frost date and transplant or direct sow towards late spring. Optimal soil temperature for germination:Β 10-25Β°C (50-75Β°F). Seeds should sprout in 7-35 days. Asclepias may benefit from stratification: Seeded trays are wrapped in plastic and refrigerated for two to three weeks before being placed over bottom heat. This may result in more even and speedier germination.

Tip: We have had success direct sowingΒ A. tuberosaΒ in March, with blooms the first year. In our experience,Β A. speciosaΒ returns with vigour in the second year and begins blooming by June here on the west coast.

Step 2

Starting

Barely cover the small seeds using sterilized seed starting mix. Space transplants 30-60cm (12-24β€³) apart.

Step 3

Growing

For many years several Asclepias species were listed as invasive weeds because of their sometimes aggressive spreading by underground rhizomes and their giant, dandelion-like seeds. The seeds emerge from very conspicuous pods which are easily removed before they dry and crack. As the population of wild Asclepias diminished, so did the populations of many butterflies that depend on them as food and nursery plants (including the endangered Monarch). Now that they have been de-listed, we encourage home gardeners to grow them with the advance knowledge that they can spread. Try growing them in a large container like a half barrel, and be conscious of the seed pods as they develop. In short, please be responsible with Asclepias species.

Note:Β All parts of the plant are harmful if eaten. Flowers areΒ notΒ edible.

Customer Reviews & Questions