Seeds - Milkweed, Prairie Red


  • Monarch Butterfly on milkweed flowers at Sage Garden
  • Monarch Butterfly in milkweed flowers at Sage Garden

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This item ships starting January 30, 2019

Description: Gorgeous milkweed with scarlet red flowers, loaded with pollinator-attracting nectar. Monarchs will lay their eggs on this plant if native milkweeds are absent. Blooms have a delicious vanilla-scent!

Often found growing near Joe-Pye Weed. Prefers moist soils with good drainage.

Pack Size: 50 seeds

Latin Name: Asclepias incarnata
Alternative Names: Bloodflower, cancerillo, silkweed
Main Uses: Ornamental, Attracts butterflies, Fragrant
Zone Hardiness: Zone 3
Exposure: Full sun
Height: 60 - 150 cm (24 - 60 inches)
Flower Color: Pink and Red
Flowering Time: June - July

Germination: 7 - 21 days at 18°C.
Sowing:  Indoors 6 - 8 weeks before last frost. Sow in flats 1/4" deep, moisten soil, cover with plastic, and refrigerate for 10 days. Thereafter, provide light and 50-75°F. This moist stratification is not absolutely necessary, but will help to increase germination. Soak seeds for 24 hours, starting with hot tap water. For best results, apply Sea Magic™ kelp from first watering. Apply a seedling-starter fertilizer such as Evolve Seedling once the second set of true leaves has appeared, and then alternate between the kelp and seedling starter until transplant. 
Planting depth: Surface.
Planting Out: After last frost in well-drained soil.
Spacing: 12”. Suitable for garden beds or large containers.

Growing in Containers: Not well-suited for containers due to height, but works well in raised beds.

Growing in Mixed Planters: Not suited for mixed planters.

Fertilizing (Garden): Plant in a garden recently amended with compost. No further fertilizing required.

Watering (Garden): Water deeply to establish. Water mature plants weekly during hot weather.

Beneficials Attracted to this Plant: 

  • Butterflies, including Monarchs.
  • Many other beneficial pollinators.

Suitability for Indoors: Not suited for indoors.

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