Stratification

1 article

Common milkweed seeds in a pot of soil with a monarch butterfly on a milkweed leaf in the background, representing the importance of seed germination for monarch conservation.

Cold Stratify Common Milkweed Seeds for Successful Germination

Despite widespread desire to help monarch butterflies, many home gardeners unknowingly miss a crucial step: common milkweed seeds require a minimum of three weeks at 5°C to germinate properly.

Brandon Lee·June 23, 2026