Sundial Lupine is a perennial wildflower that brings the raw beauty of open meadows right into your garden. Native to dry, open woods and fields, this Lupinus perennis cultivar produces striking purplish-blue flower spikes that bloom from April through July, creating a breathtaking vertical accent in any landscape. Hardy from zones 3 to 9 and reaching 24 to 36 inches tall, Sundial Lupine thrives in full sun with modest water needs once established. Growing from seed to flowering takes 100 to 300 days, rewarding patient gardeners with a prolific bloomer that returns year after year.
Full Sun
Moderate
3-9
36in H x ?in W
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Moderate
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Sundial Lupine captures the untamed spirit of wildflowers while being surprisingly manageable in garden settings. The purplish-blue flower spires appear reliably from spring into summer, and the plants adapt well to dry conditions, asking little beyond full sun and well-drained soil. Unlike many perennials that require coddling, lupines are known to be easier to grow from seed than to propagate vegetatively, making them accessible even to newer gardeners willing to let nature work.
Sundial Lupine is grown primarily as an ornamental flower, valued for its striking vertical architecture and cool blue tones in garden beds, borders, and meadow plantings. The flowers are particularly effective in naturalized landscapes and dry gardens where they can self-sow, creating drifts of color across open spaces.
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Lupine seeds can be started indoors 6 to 8 weeks before the last spring frost. Soak seeds overnight to improve germination, then sow into seed-starting mix and keep at 65 to 70 degrees Fahrenheit. Seeds typically germinate within 2 to 3 weeks.
Transplant hardened-off seedlings outdoors after the last frost date, spacing them 36 inches apart. Lupines prefer to be moved while small; larger transplants may struggle to establish.
Direct sow seeds in autumn or early spring in the location where you want plants to grow. Lupines germinate better with a period of cool, moist conditions over winter, so fall sowing often produces stronger plants. Scatter seeds on prepared soil and press gently into contact with the earth, as they need light to germinate.
Deadhead spent flower spikes after blooming to encourage secondary flowers and extend the bloom season through summer. In late fall or early spring, cut back any dead foliage to the base to keep plants tidy and reduce disease risk. Remove any weak or damaged stems as they appear.
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