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Asclepias incarnata (swamp milkweed) in bloom
Asclepias incarnata (swamp milkweed) with Monarch butterfly
Asclepias incarnata (swamp milkweed) Monarch caterpillars eating leaves
Asclepias incarnata (swamp milkweed) Ladybug eating aphids

swamp milkweed

Asclepias incarnata | swamp milkweed

Regular price
$8.99
Regular price
Sale price
$8.99
Shipping calculated at checkout.

ships spring 2025

PLEASE KNOW: Plants shipped in early spring are likely to arrive dormant.

Slender, willow-like leaves are a major food source for Monarch butterfly caterpillars. Adult butterflies, bees, and hummingbirds adore the vanilla-scented, rose colored blooms which adorn the plant from mid to late summer.

Swamp Milkweed grows best in moist to wet areas, but will tolerate average garden soil. Plants spread slowly and are not aggressive like many other milkweed species. Deer and rabbit resistant.

Aphids are a source of constant frustration, but they do draw in the ladybugs.

Zones: 3 to 6
Family: Apocynaceae
Type: Perennial
Height: 36 to 48 in.
Width: 24 to 36
Exposure: Full Sun
Soil Conditions: Medium to Wet
Bloom Time: July to August
Bloom Color: Pink
Native Range: northeastern and southeastern United States

Special Characteristics
  • Deer-resistant
  • Salt tolerant
  • Pollinator favorite
  • Rabbit resistant
  • Short-lived
image credits

Image 1 (blooms) Cephas, CC BY-SA 4.0, via Wikimedia Commons
Image 2 (Monarch butterfly) Andrew C, CC BY 2.0, via Wikimedia Commons
Image 3 (monarch caterpillars) Ali McEnhill at the Old Dairy
Image 4 (ladybug chasing aphids) Ali McEnhill at the Old Dairy 

Asclepias incarnata (swamp milkweed) in bloom
Asclepias incarnata (swamp milkweed) with Monarch butterfly
Asclepias incarnata (swamp milkweed) Monarch caterpillars eating leaves
Asclepias incarnata (swamp milkweed) Ladybug eating aphids

Ordering information

Preorders

You may place your order anytime to reserve plants for spring 2025 shipment. If you place multiple orders, we will combine plants into one box (or as many as needed) and any extra shipping charges will be refunded when we ship.

We will begin shipping plants as soon as plants begin to emerge from dormancy in spring. Woodies will likely begin shipping in April. Perennials will likely begin shipping in May. If ordering multiple varieties, we will hold until all plants are ready to ship together. If you would like to receive plants sooner please reach out.

We will check in with you a week before shipping to make sure you receive your plants at a time that is convenient for you.

Shipping

Live plants ship in spring and fall only. Plants may ship dormant, depending on variety and season. Shipping costs are most reasonable when bundling like size plants.

  • 4-inch: 1-6 plants ship for $15.00 / 7-13 plants ship for $18.00 / 14-30 plants ship for $40.00
  • 1-gal: 1-2 plants ship for $18.00 / 3-4 plants ship for $25.00 / 5-6 plants ship for $40.00
  • trees & shrubs: $27.00-$40.00 each, height dependent
  • seeds: $6.75 or free with orders over $15.00

We regret that we cannot ship internationally or to the following states: AK, AZ, CA, CO, FL, HI, ID, MT, NV, OR, UT, or WA.

Read more about our shipping policies here.

Nursery pick up

Plants can be collected from the nursery Monday through Sunday from 10am-4pm in Spring, Summer, and Fall. We prefer 24 hour notice to get your order together and will email you when ready for collection.

If you place a SPRING 2025 PREORDER, we will contact you in spring when your plants are ready for collection. Woodies will likely become available for collection in April. Perennials will likely become available in May. If ordering multiple varieties, we will hold until all plants are ready to be collected together.

Plant Sizes

We most commonly use the following pot sizes for perennials:

  • 4-inch pot: 3.5" H x 3.5" W x 3.5" D
  • 2-quart pot: 6" H x 5.25" W x 5.25" D
  • 1-gallon pot: 6.87" H x 8" Dia (this is a true one gallon pot, not the smaller 'trade' one gallon pot used by many nurseries)

Check out our illustrated pot size guide here.

Representative trees & shrubs are photographed in their pots and posted on each plant page.

Sustainability

Sustainability is at the heart of what we do at The Old Dairy. We grow all of our plants outdoors without the use of chemicals, fertilizers, carbon fuels, or peat.

Many of our perennials are grown in the ground and dug upon order (this is especially true for larger sizes). This practice allows us to grow stronger, healthier plants using native soil, and ultimately reduces our impact on the environment.

Our open-pollinated seeds are collected from plants in our mother beds, which have never been treated with chemicals or sprays of any kind.

Read all about our sustainable practices here.

garden location coming soongarden location coming soon

view this plant in our garden

Asclepias incarnata | swamp milkweed | Mother Bed II 2024

seedling image

Asclepias incarnata | swamp milkweed

We are slowly creating a seedling image library to help make weeding easier.
garden location coming soongarden location coming soon