You might try soaking seeds in water 24 hours before planting. I planted them for monarch butterflies, but none came. Over 75 choices that will bloom in the second year and for years to come. Butterfly Weed (Asclepias tuberosa) is the famous orange milkweed species native from Canada to Florida. (Asclepias viridis). I went on a “ditch ” MW expedition late June and we found Green Antelopehorn and Zizotes, but seeds are being stubborn. Also, see if other milkweed species might be worth trying in your USDA hardiness zone. The most common varieties are orange Butterfly Weed (Asclepias tuberosa) and pink Common Milkweed (Asclepias syriaca), but there are dozens of other varieties to choose from. Each finger has 3 knuckles. You can use the About page to send a message. Spring-planted seeds need to be chilled in the refrigerator, which replicates the natural process of snow and cold breaking down the seed casing. Get the tools you need for raising healthy monarch butterflies..." loading="lazy" itemprop="image" srcset="https://monarchbutterflygarden.net/wp-content/uploads/2016/01/monarch-butterfly-kit-raising-butterflies-150x150.jpg 150w, https://monarchbutterflygarden.net/wp-content/uploads/2016/01/monarch-butterfly-kit-raising-butterflies-300x300.jpg 300w, https://monarchbutterflygarden.net/wp-content/uploads/2016/01/monarch-butterfly-kit-raising-butterflies-768x765.jpg 768w, https://monarchbutterflygarden.net/wp-content/uploads/2016/01/monarch-butterfly-kit-raising-butterflies-100x100.jpg 100w, https://monarchbutterflygarden.net/wp-content/uploads/2016/01/monarch-butterfly-kit-raising-butterflies.jpg 1000w" sizes="(max-width: 150px) 100vw, 150px" />