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Narrowleaf Milkweed Seeds

Narrowleaf Milkweed Seeds

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$9.98

Grow Narrowleaf 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 Narrowleaf Milkweed Seeds

  • 🌱 Planting Time:

    • Sow indoors 6–8 weeks before last frost, or direct sow outdoors in early spring or fall.

    • Cold stratification recommended for better germination (2–4 weeks in moist paper towel in refrigerator).

  • 🌿 Germination Time:

    • Typically 7–21 days under optimal conditions (70–75Β°F / 21–24Β°C).

  • β˜€οΈ Light Requirements:

    • Full sun is ideal.

  • 🌸 Blooming Period:

    • Blooms from mid to late summer (June to September).

  • πŸ“ Mature Size:

    • Grows 2–4 feet tall (60–120 cm).

  • πŸ¦‹ Benefits:

    • Host plant for monarch butterflies.

    • Attracts bees, hummingbirds, and other pollinators.

  • 🌎 Growing Zones:

    • USDA Zones 6–10.

  • 🌿 Maintenance:

    • Drought-tolerant once established.

    • Best grown in well-drained soil.

Perfect for butterfly gardens, native landscapes, and eco-friendly spaces!

Great for
Cut Flowers Pollinator
Friendly Heat & Drought Tolerant

Why Gardeners Love It

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

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

βœ“ A practical choice for seasonal flower displays

βœ“ Pairs well with other annual and perennial garden favorites

βœ“ Good for gardeners building a more colorful outdoor space

Planting Guide

Sow Narrowleaf 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.

Shipping & Returns

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  • Processing: Orders are processed within 2 business days.
  • U.S. Delivery: U.S. delivery typically takes 4–6 business days after dispatch.
  • Shipping: Free U.S. shipping on orders $19.90+ before order discounts. Orders below $19.90 ship for $5.90.
  • Returns: Refund requests are accepted within 30 days of delivery, including opened or sown seeds and discounted orders. Contact us for authorization before sending anything back.

Shipping Policy Return Policy

Germination Support
If you have a germination or planting-material quality concern, contact support@onsaleseeds.com with your order number and a description of the issue. Photos of your setup can help. You may request a refund within 30 days of delivery under our Return & Refund Policy; opened and sown seeds remain eligible.
Germination SupportGuidance for strong, healthy growth.
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Processing time Orders are usually prepared in 1-3 business days when items are in stock.
Estimated delivery Most U.S. seed orders arrive in about 5-12 business days after dispatch.

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