tall milkweed

Plant Type

Herbaceous Wildflower

Life Cycle

Perennial

Typical Size

2-7 ft. tall
1-2 ft. wide

Inolerant of

Poorly Drained Soil

Propagation

By seed, By division

Plant Propagation Notes

Seed requires cold moist stratification for at least 30 days to germinate.

Plant Planting Notes

High organic matter is required for optimal growth.

Plants/Diseases

Aphids may be an issue in high quantities.

Wildlife Benefits

Nectar/pollen source for pollinating insects, Host plant for butterfly larvae

Leaves

Simple, opposite leaves with entire margins.

Flowers

The white flowers are radially symmetrical with 5 petals, arranged on an umbel, and fragrant.

Fruit

Smooth 3-6 follicles with brown flat seeds that are wind dispersed.

Toxicity

Mildly toxic if consumed in large quantities.

USDA Hardiness Zones

3, 4, 5, 6, 7

Light Exposure

Full Sun, Part Sun/Shade, Full Shade

Soil Moisture

Moist

Soil Drainage

Well-drained

Soil pH

Acidic (less than 6.0), Neutral (6.0-8.0)

Native in South Carolina?

Yes

Plant Native Habitat

Interior and margins of moist forests.

Global Conservation Status (NatureServe)

Secure (G5)

Federal Conservation Status (USFWS)

Not Listed

Distribution Notes

Rare in the piedmont. Common in the upstate. Absent from the coastal plain.