Monarchs rely on milkweed as the sole host plant for their caterpillars ... and soil conditions. Common milkweed (Asclepias ...

This adaptable milkweed is hardy in zones three to 10 and was named the 2017 Perennial Plant of the Year. (Michigan spans three different growing zones — 4, 5, and 6 — with the northern and western ...

The monarch butterfly is being considered as a candidate for the endangered species list. Here's how you can help.

(common milkweed) is known to contain sufficient amounts of cardiac ... in A. syriaca 1) in various parts of the plant, 2) at various heights for pre-reproductive plants, and 3) before and after ...

The flowers are followed by narrow pods that release silky-haired seeds like other milkweeds. It grows best in full sun with moist soil and is less aggressive than common milkweed. Grow this ...