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Giant Milkweed Seeds

Giant Milkweed Seeds

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$9.98

Grow Giant Milkweed from seed for garden beds, borders, containers, or seasonal color. This product page includes concise planting details to help gardeners compare...

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Germination Support U.S. Customer Support Planting Guidance
SunFull Sun
Height24-48 in.
Days to Bloom90-120 Days
Sowing SeasonSpring, Fall
USDA Zones3A-9A
Germination Time10-21 Days

About Giant Milkweed Seeds

Grow the majestic Calotropis gigantea, also known as Giant Milkweed or Crown Flower, a tropical shrub famous for its large, waxy, star-shaped flowers and hardy nature. This fast-growing perennial is drought-tolerant and often used in ornamental landscaping, traditional medicine, and as a host plant for monarch butterflies.

  • šŸŒæ Plant Type: Perennial tropical shrub

  • šŸŒž Light: Full sun

  • šŸŒ± Sowing Time: Spring or early summer

  • ā³ Germination: 2ā€“3 weeks

  • šŸŒ¼ Bloom Time: Summer to fall

  • šŸŒæ Special Uses: Ornamental, butterfly host plant, medicinal

Requires well-drained soil and warm climates to thrive. Perfect for tropical and subtropical gardens.

Great for
Cut Flowers Pollinator
Friendly Heat & Drought Tolerant

Why Gardeners Love It

āœ“ Adds garden color with an easy seed-starting option

āœ“ Useful for beds, borders, containers, or mixed plantings

āœ“ A practical choice for seasonal flower displays

āœ“ Pairs well with other annual and perennial garden favorites

āœ“ Good for gardeners building a more colorful outdoor space

Planting Guide

Sow Giant Milkweed in spring, fall where it can receive full sun. Keep the seedbed evenly moist until germination, usually 10-21 days.

Grow plants to about 24-48 in. and plan for blooms in about 90-120 days.

Best suited to USDA zones 3A-9A. Adjust sowing time for your local frost dates and summer heat.

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If seeds do not germinate under recommended conditions, contact us within 30 days with your order number and photos of your setup. We will review eligible claims and help with replacement guidance, store credit or next planting steps.
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