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2021 Seed Catalog

Double Cascade Blue petunia seeds
Best Seller

AN06084

Double Cascade Blue

Petunia Seeds

A double petunia that blooms as heavily and performs as well as a single petunia? Yes, absolutely! This showy star of your hanging baskets or window boxes will turn heads all summer long. Blooms are huge, at least 4 inches across (sometimes larger!), and voluminously ruffled like the skirts of a can-can dancer. Cascade Double Blue grows 10-15 inches tall and 10-12 inches wide, creating a perfect mound of peony-like purple-blue pretties that are weather-resistant and easy to grow. Va va voom!

35 pelleted seeds - $2.99
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Growing Double Cascade Blue Petunia Seeds

Bee introduces how to plant

Plant Petunia Seeds: Sow petunia seed in cell packs or flats, press into soil but do not cover. Needs light to germinate. Kept at 70-75°F., seeds germinate in 7-21 days. Transplant petunia seedlings into the garden 7-18 in. apart.

Grow Petunia: Full sun or part shade. Part shade preferred in hot climates.

Shipping Information

U.S. Shipping Rates

Free shipping on U.S. orders over $60.00.
Free priority shipping on U.S. orders over $125.00.

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


International Shipping Rates

Shipping to Canada is $9.99.
International shipping to all other countries is $14.99.

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 replacement packets or issue a refund.