Whorled Milkweed (Price includes 3 half-pint plugs)

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Asclepias verticillata

Exposure: Sun

Soil: Medium-Dry

Height: 2 feet

Bloom: August

Attracts: The nectar of the flowers attracts many kinds of insects, including honeybees, bumblebees, Halictid bees (Halictus spp., Lasioglossum spp.), Halictid cuckoo bees (Sphecodes spp.), sand-loving wasps (Tachytes spp.), weevil wasps (Cerceris spp.), Sphecid wasps (Sphex spp., Prionyx spp.), Five-banded Tiphiid Wasp (Myzinum quinquecinctum), Northern Paper Wasp (Polites fuscatus), spider wasps (Anoplius spp.), Eumenine wasps (Euodynerus spp., etc.), Syrphid flies, thick-headed flies (Physocephala spp., etc.), Tachinid flies, flesh flies (Sarcophagidae), Muscid flies, Painted Lady (Vanessa cardui) and other butterflies, Peck's Skipper (Polites peckius) and other skippers, Squash Vine Borer Moth (Melittia cucurbitae) and other moths, and Pennsylvania Soldier Beetle (Chauliognathus pennsylvanicus). Some insects feed destructively on the foliage, flowers, seedpods, and other parts of Whorled Milkweed. These species include the Small Milkweed Bug (Lygaeus kalmii), Milkweed Leaf Beetle (Labidomera clivicollis), Yellow Milkweed Aphid (Aphis nerii), and a moth, the Delicate Cycnia (Cycnia tenera).