Vine
Sweet Pea, Annual
Lathyrus odoratus
Features
Fragrant, pea-type flowers in a wide range of colors.
Culture
Full sun to partial shade. Moist well drained soils. Needs cool temperatures and will bloom poorly (or not at all) when weather is hot.
Cultivars
Numerous cultivars available. Check local stores or seed catalogs.
Mature Height
4-6 Feet
USDA Hardiness Zone
Bloom Color
Bi-color
Blue
Lavender
Pink
Purple
Red
Salmon
White
Bloom Season
May - June
Soil Conditions
Moist, Well-Drained
Exposure/Light Requirements
Full Sun
Partial Sun/Shade
Method of Attachment
Tendrils
Foliage Color
Green
Fall Foliage Color
Green
Pests and Problems
Environmental Damage
Herbicide Injury
Additional pests and problems that may affect this plant:
Sweet peas grow poorly in high temperatures.
Additional Notes
Related Resources
Home, Yard & Garden Pest Guide
The Home, Yard & Garden Pest Guide (C1391) provides is written for homeowners and other residents and provides nonchemical and current chemical recommendations for controlling pests associated with trees, shrubs, turf, flowers, groundcovers, vegetables, fruit, and houses. In addition, you'll find detailed information about integrated pest management, pesticide safety, and pesticide application and calibration techniques. This publication may be purchased at your local University of Illinois Extension Unit office, or by calling 800-345-6087, or by placing an order online (search for "C1391").
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Illinois Commercial Landscape and Turfgrass Pest Management Handbook
The Illinois Commercial Landscape and Turfgrass Pest Management Handbook (ICLT) is written for professional applicators and provides nonchemical and current chemical recommendations as well as application timing information for all major pests of turf, woody ornamentals and herbaceous ornamentals. This publication may be purchased at your local University of Illinois Extension Unit office, or by calling 800-345-6087, or by placing an order online (search for "ICLT").
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U of IL - Distance Diagnosis through Digital Imaging
A free plant, weed, insect and disease identification service available through your local University of Illinois Extension office. Center Educators or State Specialists review & respond to information and digital images submitted by local Extension office personnel. Some samples may require further examination or culture work (nominal fee involved) at the U of IL Plant Clinic.
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U of IL - Plant Clinic
Services include plant and insect identification, diagnosis of disease, insect, weed and chemical injury (chemical injury on field crops only), nematode assays, and help with nutrient related problems, as well as recommendations involving these diagnoses. Microscopic examinations, laboratory culturing, virus assays, and nematode assays are some of the techniques used in the clinic.
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