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2025 Seed Catalog

Shockwave Denim petunia flowers
Shockwave Denim petunia flowers

AN19041

Shock Wave Denim

Trailing Petunia

Flowers in the many shades of blue jeans, from brand new to your favorite, worn-in pair. The 1½-2 in., self-cleaning flowers cover the 7-10 in. tall, 30-36 in. wide plants from mid-spring until early autumn.

Shock Wave Denim is an easy to grow, low maintenance trailing petunia, which tolerates heat, humidity and rain. Use in borders, hanging baskets, planters, or to edge pathways.

10 pelleted seeds - $5.75
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View all of our Trailing Petunia varieties

Growing Shock Wave Denim Trailing Petunia Seeds

Bee introduces how to plant

Plant Trailing Petunia Seeds: Sow seed in cell packs or flats, press into soil but do not cover. Needs light to germinate. Kept at 70-75°F., germination is in 7-21 days. Transplant into the garden 18-36 in. apart.

Grow Trailing Petunia: Full sun or part shade. In hot climates, part shade is preferred.

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.