Orders placed today will ship on Wednesday, November 20th. Thank you for your support.

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

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

2025 Seed Catalog

Hollyhock Mars Magic flowers
Hollyhock Mars Magic flower
Best Seller

PHLL063

Mars Magic

Hollyhock Seeds

Mars Magic is a true perennial hollyhock which carries large, brilliant-red single flowers. Plants grow to 5-6 ft. tall and up to 5 ft. wide and bloom the first year when started early. Winter hardy to zone 3.

Mars Magic hollyhock was definitely one of the rowdiest inhabitants of the 2018 Swallowtail Garden Seeds test garden, frequently flowers were impressively, impossibly loud.

10 seeds - $4.99
-+
View all of our Hollyhock varieties

Growing Mars Magic Hollyhock Seeds

Bee introduces how to plant

Plant Hollyhock Seeds: Sow seeds in 2 in. pots or cell packs, press into soil and lightly cover. Kept at 70-75° F., germination is in 14-28 days. Can direct sow into prepared seed beds in groups of 3-4 seeds, spaced 2-3 ft. apart. Thin to strongest plant.

Grow Hollyhock: Full sun, part sun in hottest climates. Hollyhock plants perform best in fertile soil with regular moisture. Irrigate from below and provide good air circulation. True perennial hollyhocks noted in description. Most are biennials, or short-lived perennials. Many hollyhocks flower the first season when started early. After flowering cut back plants hard, to within a few in. of the ground. Continue to water and fertilize. Plants repeat bloom in late summer and fall. Single flower hollyhocks attract hummingbirds and butterflies. Hollyhock plants will often self sow.

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.