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2024 Seed Catalog

Butterfly bush Butterfly Hybrids Mix - Buddleja davidii
Best Seller


Butter­fly Bush Mix


a.k.a. Summer Lilac

Buddleia davidii, syn. Buddleja davidii

Butterfly Bush flowers are the ultimate butterfly attractors.

This 7-10 ft. tall perennial produces graceful, long, large, fragrant plumes of lilac-like flowers in attractive shades of deep purple, bright pink, and clear white. Easy to grow, it flowers the first year when started early. Winter hardy to zone 5.

Butterfly Bush seeds cannot ship to HI, OR, and PR.
50 seeds - $3.49

Growing Butter­fly Bush Mix Seeds

Bee introduces how to plant

Plant Butterfly Bush Seeds: Eastern Swallowtail butterfly Sow seed in cell packs or flats, press into soil but do not cover. Needs light to germinate. Kept at 70-80°F., germination is spread out over a period of 1-5 weeks. Transfer into 3 in. pots as soon as seedlings are large enough to handle. Once the plants become well rooted, transplant into the garden 6 ft. apart. See Starting Seeds for information about growing butterfly bush and other seedlings under lights.

Grow Butterfly Bush: Butterfly bush plants flower on new growth, cut plants back to 6-12 in. tall in early spring before new growth begins to increase flowering and control size.

Shipping Information

U.S. Shipping Rates

Free shipping on U.S. orders over $60.00.
Free priority shipping on U.S. orders over $150.00.

Standard U.S. shipping is $5.99.
Priority U.S. shipping is $9.99.

International Shipping Rates

Shipping to Canada is $13.99.
International shipping to all other countries is $15.99.

Satisfaction Guarantee

We guarantee all the seeds we sell for one full year from the date of purchase. If you are unsatisfied with any seeds purchased from Swallowtail Garden Seeds, we will issue a refund. For customers in the U.S., we can send one-time replacements or issue a refund.

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