Viola 'Johnny Jump-Up'
Viola cornuta
Price: $3.75
SKU: 2000161An old-time favorite that was established in American gardens before 1700. Thomas Jefferson wrote in his gardening journal that he had sowed its seeds at Shadwell on April 1, 1767.
Sow the seeds directly into the garden in early April for spring flowering and again in July for fall blooms. Cover lightly (no more than 1/16 inch) and keep moist until germination occurs (typically in 14 to 21 days at soil temperatures of 65 to 75F). Once established, the plants will often become naturalized and will re-seed themselves.
They grow about eight inches tall and are covered with blooms. The flowers are small and look like miniature pansies. Cutting them back in the summer heat will encourage fall blooming. USDA zones 4 to 8.
Sow the seeds directly into the garden in early April for spring flowering and again in July for fall blooms. Cover lightly (no more than 1/16 inch) and keep moist until germination occurs (typically in 14 to 21 days at soil temperatures of 65 to 75F). Once established, the plants will often become naturalized and will re-seed themselves.
They grow about eight inches tall and are covered with blooms. The flowers are small and look like miniature pansies. Cutting them back in the summer heat will encourage fall blooming. USDA zones 4 to 8.
Genetic Classification: Open Pollinated
Violas can be grown from seed indoors and transplanted after the last frost, or planted directly as potted plants.
Sowing Seed Indoors: Start viola seeds indoors 8-12 weeks before the last heavy frost. Violas can handle light frost and can also be started in late summer for fall blooms. Sow seeds thinly in seed-starting mix, covering them completely, as they need darkness to germinate. Keep the soil evenly moist, and seedlings will emerge in 10-14 days. Once they sprout, place them in a well-lit area or under fluorescent lights for 16 hours a day. Thin seedlings to one per cell after two sets of leaves appear, and fertilize them at 3-4 weeks with half-strength indoor plant food. Before transplanting, harden off seedlings by gradually introducing them to outdoor conditions for a week.
Sowing Directly in the Garden: Direct sow violas in early spring in the North or fall in the South, in full sun to part shade with well-drained soil. Prepare the soil by removing weeds and adding organic matter to the top 6-8 inches. Sow seeds thinly, covering them with ¼ inch of fine soil, firm lightly, and keep moist. Seedlings should emerge in 7-14 days, depending on conditions. For best results, amend the soil with compost or mulch to improve fertility and structure.
Sowing Seed Indoors: Start viola seeds indoors 8-12 weeks before the last heavy frost. Violas can handle light frost and can also be started in late summer for fall blooms. Sow seeds thinly in seed-starting mix, covering them completely, as they need darkness to germinate. Keep the soil evenly moist, and seedlings will emerge in 10-14 days. Once they sprout, place them in a well-lit area or under fluorescent lights for 16 hours a day. Thin seedlings to one per cell after two sets of leaves appear, and fertilize them at 3-4 weeks with half-strength indoor plant food. Before transplanting, harden off seedlings by gradually introducing them to outdoor conditions for a week.
Sowing Directly in the Garden: Direct sow violas in early spring in the North or fall in the South, in full sun to part shade with well-drained soil. Prepare the soil by removing weeds and adding organic matter to the top 6-8 inches. Sow seeds thinly, covering them with ¼ inch of fine soil, firm lightly, and keep moist. Seedlings should emerge in 7-14 days, depending on conditions. For best results, amend the soil with compost or mulch to improve fertility and structure.
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