General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Water Preferences: Wet
Wet Mesic
Mesic
Dry Mesic
Dry
Minimum cold hardiness: Zone 3 -40 °C (-40 °F) to -37.2 °C (-35)
Maximum recommended zone: Zone 9b
Plant Height: 24 - 48 inches
Plant Spread: 18 - 24 inches
Leaves: Other: Plants have deep taproots and are best left undisturbed once established. Foliage is slow to emerge in spring. Narrow, lance-shaped leaves are 3-6" long. This plant serves as a food source for the larval stage of Monarch butterflies.
Flowers: Showy
Fragrant
Other: Mildly fragrant. Flowers are very attractive to butterflies as a nectar source.
Flower Color: Other: Deep rose pink
Bloom Size: Under 1"
Flower Time: Late spring or early summer
Summer
Late summer or early fall
Underground structures: Taproot
Suitable Locations: Bog gardening
Uses: Water gardens
Will Naturalize
Wildlife Attractant: Bees
Butterflies
Toxicity: Other: Stems exude a toxic milky sap when cut.
Propagation: Seeds: Self fertile
Other info: 'Soulmate' is available from seed and may self-seed in the garden.
Pollinators: Moths and Butterflies
Bees
Various insects

Image
Common names
  • Swamp Milkweed
  • Milkweed

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