Orders placed today will ship on Tuesday, July 23rd. Thank you for your support.

Free shipping on U.S. orders over $60.

Shipping - $5.99 U.S. | $13.99 Canada | $15.99 International

2024 Seed Catalog

Double Cascade Mix petunia seeds
Best Seller


Double Cascade Mix

Petunia Seeds

A breathtaking blend of five outstanding Double Cascade petunia shades, including velvety Blue, wine-dark Burgundy, lilac-splashed-with-white Orchid Mist, bright and happy Pink, and delicate, pastel Soft Pink. You’ll be thrilled with the performance of Double Cascade Mix, which produces fountains of enormous, heavily ruffled double flowers on plants reaching 10-15 inches high and up to 10-12 inches wide. Easy to grow and bred for weather resistance, your containers and hanging baskets will be overflowing with an abundance of gorgeous showy blooms over a long growing season.

30 pelleted seeds - $3.49
View all of our Petunia varieties.

Growing Double Cascade Mix 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 $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.