Ornamental Flower
The Watchman Hollyhock is a tall, stately flower that commands attention in any garden, reaching 5 to 7 feet high with classic Alcea rosea charm. This frost-hardy cultivar thrives in hardiness zones 2 through 8, making it resilient across most of North America. It demands full sun and moderate water, flourishing in slightly acidic to neutral soil (pH 6.0 to 7.0). Seeds germinate readily in warm conditions (65 to 75 degrees Fahrenheit) and can be started indoors 6 to 8 weeks before your last spring frost, or direct-sown in early summer for blooms the following year.
Full Sun
Moderate
2-8
84in H x ?in W
Biennial, Perennial
Moderate
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Standing 60 to 84 inches tall, The Watchman Hollyhock delivers the vertical drama that makes traditional cottage gardens sing. Its frost-hardy nature means it persists through harsh winters in zones 2 and 3, a rarity among such glamorous ornamentals. Seedlings have sensitive roots that prefer biodegradable pots to minimize transplant shock, a detail that separates careful cultivation from careless sowing.
Hollyhocks are grown as ornamental flowers, valued for their striking vertical presence in perennial borders, cottage gardens, and along fences and walls where their height creates dramatic backdrops. The Watchman's impressive stature makes it especially suited to the back of flower beds or as a living screen, where its flower-covered stems can be fully appreciated.
Sow seeds indoors 6 to 8 weeks before your average last spring frost date. Press seeds into the surface of moist seed-starting mix (do not cover) and maintain a temperature range of 65 to 75 degrees Fahrenheit. Use biodegradable pots, as hollyhock roots are sensitive to disturbance and transplant better when the entire pot can be planted directly into garden soil.
Harden off seedlings by gradually exposing them to outdoor conditions over 7 to 10 days. Transplant into garden soil after your average last frost date, when soil has warmed. Space plants 24 to 36 inches apart. Handle carefully, keeping the biodegradable pot intact to minimize root disturbance.
Direct sow seeds outdoors 1 to 2 weeks after your average last spring frost date, or 2 months before your average first fall frost date. Press seeds into the soil surface (do not bury). Thin seedlings to one plant every 24 to 36 inches when they reach 3 inches tall.
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