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flowerAnnual
Sweet Pea
Lathyrus odoratus
Also known as: lathyrus
Fragrant cool-season climbing vine with ruffled blooms. Excellent cut flower. Stops blooming in hot weather. NOT edible.
Growing Requirements
SunFull Sun
WaterMedium
Soil Type
Soil Drainage
Soil pH
Plant Spacing4–6″
Row Spacing12–18″
Planting Depth1–1.5″
Height48–96″
Spread6–12″
✓ Container Friendly✓ Raised Bed Friendly
Planting Schedule
Start Indoors
4–6 weeks before last frost
Direct Sow (Spring)
4–6 weeks before last frost
Transplant Outdoors
-2–9 weeks after last frost
Germination
10–21 days
Days to Harvest
60–90 days
Zone Suitability
USDA Hardiness Zones
1
2
3
4
5
6
7
8
9
10
11
12
13
Zones 2–10
Cannot overwinter outdoors
Soak or nick seeds before planting. Provide trellis. Cut flowers frequently to prolong bloom. Heat ends flowering.
Companion Plants
No companion data available for this plant yet.