In spite of the name, most milkweed species are actually well behaved in a garden. They spread by seed, but a few, such as Idaho's native, Showy Milkweed (Asclepias speciosa), spread by runners. Showy Milkweed grows in the color garden at the Ella Street entrance to the Arboretum.
September 26, 2021
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September 26, 2021 1 a.m.
Milkweed plays key role for monarch butterflies
Milkweed lends itself to informal planting, either a sunny border or meadow, but will not tolerate shade.