Sweet Peas - Knowledgebase Question

Santa Barbara, CA
Question by kcetrulo
May 17, 1999
I've heard that different varieties of sweet peas have different growing seasons. Since I love this plant (and would love to have it for as long as possible) what different varieties should I plant to have the longest blooming season?


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Answer from NGA
May 17, 1999

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Lathyrus latifolius is the perennial Sweet Pea, and Lathyrus odoratus is the annual Sweet Pea. The perennial type is a strong growing vine (up to 9 feet) with blue-green foliage. The flowers are can be reddish purple, white or rose and are produced from June - September if not allowed to go to seed. (If you deadhead frequently you'll prolong the bloom.) The annual Sweet Pea blooms in many colors and are sometimes multicolored. The normal bloom time is spring - early summer, before the weather gets too hot. Since you love Sweet Peas, plant both kinds and you'll have a variety of bloom colors from April through September.

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