Elegance Blend Sweet Pea is a frost-tolerant climbing variety of Lathyrus odoratus that thrives across hardiness zones 3 to 10, making it accessible to gardeners in nearly every climate. This ornamental legume produces fragrant flowers on vigorous vines that flourish in full sun to partial shade with moderate water and well-balanced soil. Sow seeds directly outdoors 4 to 6 weeks before your last frost date, or start them indoors at 55 to 65 degrees Fahrenheit for a head start on blooms.
Partial Sun
Moderate
3-10
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Moderate
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These sweet peas are built for early-season sowing in cold climates, germinating reliably in temperatures as low as 55 degrees Fahrenheit. The vines are genuinely frost-tolerant, allowing gardeners to plant them much earlier than tender annuals. Sow seeds one inch deep and thin seedlings to six-inch spacing once they reach three inches tall; the cultivar responds well to outdoor sowing in early spring or fall planting in mild winter climates.
Sweet peas are primarily grown for their delicately fragrant flowers, which make exceptional cut flowers for bouquets and arrangements. The blooms attract pollinators and bring color and scent to garden trellises and vertical spaces.
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Start seeds indoors 4 to 6 weeks before your average last frost date. Maintain a soil temperature of 55 to 65 degrees Fahrenheit for reliable germination. Sow seeds one inch deep in seed-starting mix. Transplant seedlings outdoors 4 to 6 weeks after starting, ideally at their 3-inch height to minimize transplant stress.
Transplant seedlings outdoors 4 to 6 weeks before your average last frost date. Space plants six inches apart to allow room for vigorous vine development. Harden off seedlings by gradually exposing them to outdoor conditions over 7 to 10 days before final planting.
Direct sowing is recommended. In cold climates, sow 4 to 6 weeks before your average last frost date. In mild climates, sow in late fall to early winter for spring bloom. Soil temperature should be between 55 and 65 degrees Fahrenheit.
Harvest sweet pea flowers regularly in the early morning when blooms are fresh and fully open. Pinch or cut flowers just above the leaf nodes to encourage continued blooming throughout the season. Regular harvesting extends the flowering period and prevents the plant from setting seed too early.
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