Sweet pea shrub is a fast-growing, evergreen rounded shrub prized for its showy pea-like flowers that bloom seasonally in terminal clusters. Hardy in zones 9-11, this hybrid shrub reaches 3 to 5 feet tall and wide, thriving in full sun to partial shade with moderate water and care. Its dense foliage and prolific blooms attract hummingbirds and other pollinators, while its deer resistance makes it a dependable choice for mixed borders and hedges in warm climates.
Partial Sun
Moderate
9-11
60in H x 60in W
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High
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The real draw here is how this shrub combines ornamental punch with minimal maintenance. It flowers prolifically throughout its growing season, producing those distinctive pea-shaped blooms in showy clusters that hummingbirds cannot resist. The evergreen habit means you get year-round structure in the garden, and because deer leave it alone, you can plant it where other shrubs might be nibbled bare.
Sweet pea shrub is grown primarily as an ornamental flowering shrub for hedges, mixed borders, and foundation plantings in frost-free and near-frost-free regions. Its showy seasonal blooms and ability to attract hummingbirds make it valuable in pollinator gardens. The evergreen foliage provides year-round structure, while its deer resistance offers reliable performance in landscapes where browsing pressure is a concern.
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Prune sweet pea shrub to maintain its rounded, bushy form and encourage dense, flowering growth. The plant's naturally fast-growing habit responds well to light shaping in late winter or early spring before the growing season accelerates. Remove any leggy growth or weak branches to maintain the attractive mounded silhouette and prevent the shrub from becoming too open or sparse.
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“Polygala x dalmaisiana is a hybrid within the milkwort family, Polygalaceae, a genus containing over 500 species distributed across warm and temperate regions worldwide. The genus itself is ancient and globally distributed, known for its distinctive alternate lanceolate leaves and ornamental pea-like flowers. This particular hybrid represents the horticultural refinement of wild Polygala species, selected and cultivated to produce a vigorous, free-flowering shrub suited to ornamental gardens in warm climates.”