Mrs. Collier Sweet Pea is a classic heirloom variety of Lathyrus odoratus that brings fragrant, delicate blooms to spring and summer gardens. This tall cultivar reaches 6 feet at maturity, making it a stunning choice for trellising or vertical display, and flowers reliably within 84 days from seed to bloom. Favoring full sun and moderate water, it rewards gardeners with continuous flowering from March through August while naturally resisting deer and attracting pollinators to the garden.
6
Full Sun
Moderate
2-11
72in H x 8in W
—
High
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Mrs. Collier stands as a tall, vigorous sweet pea that thrives in cool-season conditions and produces abundant fragrant flowers over an extended bloom window. The heirloom pedigree speaks to generations of gardeners who saved seed and tended these plants, and the cultivar's deer resistance combined with pollinator appeal makes it both ornamental and ecologically valuable. At 6 feet tall with just 6 inches of spacing needed, it efficiently fills vertical space and grows quickly enough that seed sown in early spring will bloom well before midsummer heat arrives.
Mrs. Collier Sweet Pea is grown primarily as an ornamental flower for cutting and display. The fragrant blooms are cherished in fresh flower arrangements and bouquets, and the plant's vertical growth habit makes it valuable for creating living screens, pergola coverage, and cottage garden backdrops. Gardeners grow it for its perfumed flowers that attract pollinators and add nostalgic charm to spring and early summer landscapes.
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Sow seeds in deep pots 4 to 6 weeks before your last spring frost date. Keep germination temperatures between 55 and 65 degrees Fahrenheit. Once seedlings emerge and before leaves fully unfurl, move containers to cold conditions outdoors to acclimate them to garden conditions.
Harden off indoor-started seedlings by gradually exposing them to outdoor conditions, then transplant to the garden after the last spring frost when soil is cool and workable.
Sow seeds outdoors 3 to 4 weeks before your last spring frost date, preparing the soil thoroughly and working in compost and aged manure before sowing.
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