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Apocynaceae

Greenish-white flowers of Zizotes Milkweed (Asclepias oenotheroides).

Zizotes Milkweed (Asclepias oenotheroides), a Comprehensive Guide in 10 Sections

Zizotes Milkweed (Asclepias oenotheroides) is a herbaceous perennial that is found in the south-central and southwestern United States. This plant is a host to the Monarch Butterfly (Danaus plexippus). It can grow to 2 feet tall and has white, greenish-white to yellow flowers that bloom from March and December depending on location. It is hardy in zones 7-9. This plant can be purchased in the McMullen House Bed & Breakfast Garden Shop.

Plant of Heart-leaf Milkweed (Asclepias cordifolia) with purple flowers.

Heart-leaf Milkweed (Asclepias cordifolia), a Comprehensive Guide in 10 Sections

Heart-leaf Milkweed (Asclepias cordifolia) is a herbaceous perennial that is found in the western United States. This plant is a host to the Monarch Butterfly (Danaus plexippus) and the Queen Butterfly (Danaus gilippus). It can grow to 4 feet tall in the best conditions and has red to purple flowers that bloom in the spring and summer. It is hardy in zones 7-10. This plant can be purchased in the McMullen House Bed & Breakfast Garden Shop.

Pinkish flowers of Hall's Milkweed (Asclepias hallii).

Hall’s Milkweed (Asclepias hallii), a Comprehensive Guide in 10 Sections

Hall’s Milkweed (Asclepias hallii) is a herbaceous perennial that is found in the western and southwestern United States. This milkweed is a host plant to the Monarch Butterfly and a nectar plant to others. It can grow up to 3 feet tall and has ovate-lanceolate leaves. The rose to purple flowers bloom from June to August and it is hardy in zones 3-9. The seeds for this plant can be purchased in the McMullen House Bed & Breakfast Garden Shop.

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