Family: Leguminaceae

Scientific Name: Lathyrus odoratus

Common Name: Sweet Pea

Description

Sweet Pea (Lathyrus odoratus) A heirloom vine that is still popular in the modern gardens.

Pronunciation(la-THI-rus)(o-do-RA-tus)
Plant TypeAnnuals
Sunlightfull
Moisturemoist, hates to be dried out
Soil & Siteprefers deep rich organic well drained soils, tolerates average
Temperaturewill tolerate light frosts, often listed as a hardy annual
Flowersmany colors, blooms best in cooler weather, will shut down in the heat of the summer, fragrant
Leavesalternate, pinnate with two leaflets and a clinging terminal tendril, winged stems
Dimensions2 to 10 feet depending on the variety
Maintenancesome varieties may need staking
Propagationcan be sow in situ, sow indoors a few weeks before the last frost, sow in peat pots to avoid root disturbance, soak seeds for 2-3 days before sowing, germinates a lower temps than most seeds 55-60 degrees F, plant out early May in zone #5
Cultivar OriginIn 1870 a Scottish nurseryman, Harry Eckford, crossbred the original flower, creating the ornamental and sweetly scented sweet pea we know today
Misc FactsEven though the word Pea is in the name the seeds and flower of this plant are toxic. Laythyrus is the Greek name for Pea.
Notes & Reference:#40-Herbaceous Ornamental Plants (Steven Stills), #109-Annuals and Tender Perennials for North American Gardens (Wayne Winterroud)
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