Fully-double, 4 to 6 in. scarlet flowers.
Chater's Scarlet O'Hara hollyhock begins to bloom in early to mid summer, producing impressive, 5-7 ft. tall flower spikes. Cut stalks back hard after bloom, plants will flower again in late summer and fall.
Provide rich soil and regular water for best performance. A biennial or short-lived perennial which is winter hardy to zone 3.
Chater's Scarlet O'Hara hollyhock was a top performer at the Dallas Arboretum Plant Trials. Grow with Pacific Giant series delphiniums.
Growing Chater's Scarlet O'Hara Hollyhock Seeds
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.
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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.