The University of California Snapdragon is a classic heirloom flower that brings vertical elegance and long-lasting color to spring and fall gardens. Growing 24 inches tall with sturdy stems, this cultivar produces blooms from late spring through fall, typically flowering 84 to 98 days from seed. Its flowers attract pollinators while remaining untouched by deer, and it thrives in full sun with moderate water. This is a snapdragon bred and preserved through the University of California's horticultural legacy, carrying decades of garden-proven reliability.
8
Full Sun
Moderate
6-10
24in H x 10in W
—
High
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UC snapdragons flower reliably from March through November, delivering months of cutting-garden color in a single planting. The compact 24-inch height makes them work in borders and containers alike, while their pollinator appeal adds ecological value to ornamental plantings. Starting seed indoors just before spring ensures blooms by early summer, and these heirlooms reseed reliably in favorable conditions.
UC snapdragons excel as cut flowers for fresh arrangements, their tall stems and abundant blooms making them rewarding to harvest regularly. The extended bloom season means continuous flower production throughout spring, summer, and fall, supporting both gardeners seeking homegrown bouquets and pollinators that visit repeatedly. While technically edible, they're grown primarily for ornamental display rather than culinary purposes.
No timeline data available yet for this variety.
Start seeds indoors 8 to 10 weeks before your last spring frost. Chill seeds for 2 days in the refrigerator before sowing. Sow thinly on the surface of seed-starting mix with added vermiculite, pressing seeds in lightly since they require light to germinate. Keep containers at 60 to 70 degrees Fahrenheit. Water only from below by setting containers in a tray to prevent fungal problems. Seeds typically sprout in 5 to 14 days.
Transplant hardened-off seedlings outdoors 1 to 2 weeks before your last spring frost, spacing them 8 inches apart. Ensure plants have been gradually acclimated to outdoor conditions over several days before planting.
Harvest snapdragon spikes for cutting when the lowest flowers on the spike are open but upper buds remain tight. Cut stems in the early morning for longest vase life. Blooms continue opening on the stem after cutting, extending their usefulness in arrangements.
Deadhead spent flower spikes regularly to encourage continuous blooming and extend the flowering season from spring through fall. Pinching back young plants when they reach 6 inches tall promotes bushier growth and more flower stems.
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“The University of California snapdragon represents the institution's long commitment to breeding ornamental plants suited to California's climate and broader North American gardens. As an heirloom cultivar, it carries the fingerprints of decades of selection work focused on vigor, disease resistance, and consistent flowering over extended seasons. This variety emerged from UC's tradition of releasing improved cultivars to home gardeners and commercial growers, helping establish the university's reputation in ornamental horticulture.”