Dry stratification is done by placing dry seed in the refrigerator for 30 or more days. Ernst Seeds in the Media; Press Releases; Upcoming Events; Social Media Hub; Select Page. Need sandy or gravelly soils (except the Clay form which does well in heavier soils including dry clay.). Reproduction: The seeds grow in pods called follicles, which begin to form in late summer. If you’re concerned about soil quality, amending with compost is a good idea.

  • I recently planted two small butterfly weed (about a foot high) and one has been eaten to the stems by cats (moved them all to the other plant that was untouched and going out to buy more tomorrow). To encourage re-seeding and provide winter interest with their ornamental seed pods, leave the stems intact over the winter. This species can be identified by its alternate leaves. Tropical is the Steak although it’s perennial in only 5% of the country. Attracts Butterflies! Hope this helps.

  • Are you sure because I bought Asclepias tuberosa and it said it would help. It has flat clusters of bright orange blossoms and blooms from early summer to first frost in most areas. (If you know of other pollinators Asclepias tuberosa attracts, please share your sightings below.). C $4.00. Since tuberosa can be temperamental about growing conditions, try planting in a couple different spots to see where it grows best. See more Butterflyweed Seeds - Asclepias Tuberosa - Per... Add to Watch list | People who viewed this item also viewed. Is it invasive? loading="lazy" itemprop="image" srcset="https://monarchbutterflygarden.net/wp-content/uploads/2013/10/zion-national-ark-asclepias-asperula-288x300.jpg 288w, https://monarchbutterflygarden.net/wp-content/uploads/2013/10/zion-national-ark-asclepias-asperula.jpg 700w" sizes="(max-width: 288px) 100vw, 288px" />

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