Swamp, Milkweed Seed
Swamp Milkweed Seed
- Rose-pink clusters flourish in consistently moist gardens
- Monarch caterpillars feed on this native host
- Butterflies and hummingbirds visit the abundant nectar
- Excellent beside ponds and in rain gardens
Key Attributes
About Swamp, Milkweed Seed, Milkweed Seed
Despite its name, the Swamp Asclepias is one of the most vibrant and beautifully colored milkweeds around for the home gardens! This Butterfly Weed's red blooms are beautiful and will attract butterflies and hummingbirds to your garden. This perennial thrives in zones 3-8 and will produces its willowy foliage and cherry-red blooms that can be enjoyed all summer long!
Growing details
Plant profile
Seed & variety
Before Planting
Planting
Watering
Fertilizer
Harvesting
Tips
Pests & Diseases
Milkweed may develop leaf spots, rust, powdery mildew, or viral mosaics. Minor spotting usually needs only sanitation, but persistent mottling, distortion, or stunting warrants whole-plant removal. Avoid moving symptomatic plants among pollinator gardens, thin dense colonies, and clean tools before collecting pods or propagating roots.
Milkweed can attract aphids, thrips, spider mites, Japanese beetles, and slugs. Scout flowers and new growth regularly, handpick when practical, and protect beneficial insects with targeted controls.
Native States & Regions
- Alabama
- Arkansas
- Colorado
- Connecticut
- Delaware
- Florida
- Georgia
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- West Virginia
- Wisconsin
- Wyoming
Native regions: Widespread Native
Its Role in the Native Ecosystem
Swamp Milkweed supports monarchs in two ways: caterpillars eat its leaves, and adults can visit the nectar-bearing flowers. Other pollinating insects also use the blooms. In suitable moist soil, it adds a host plant to the garden; pair it with additional nectar flowers for a longer feeding season.
Swamp Milkweed Native Range Map
Native range describes natural occurrence, not the origin of this seed lot or every location where a plant can be grown.
Alaska and Hawaii are shown as insets. State-level range does not mean a plant occurs throughout every part of that state.
Urban Farmer
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