Description
Perennial, or everlasting, sweet peas were grown by Thomas Jefferson at Monticello. The very long, lush, trailing vines are gorgeous rambling over shrubs or fences, gracing an arbor, or used as a groundcover. Withstands summer heat well, is fairly drought tolerant, and attracts pollinators. Flowers are lovely in bouquets. Usually scentless.
Botanical Name: Lathyrus latifolius
Family: Fabaceae
Native: Africa and Europe
Hardiness: Perennial in USDA zones 3-8
Plant Dimensions: 6'–9' vines
Variety Information: 1″ flowers in white, pink, mauve, and violet
Exposure: Full sun to part shade
Bloom Period: Spring to fall
Attributes: Attracts Pollinators, Cut Flower, Deer Resistant, Drought Tolerant, Heat Tolerant
When to Sow Outside: RECOMMENDED. Cold Climates: 4 to 6 weeks before your average last frost date, or as soon as the soil can be worked. Mild Climates: Late summer to fall for winter bloom. Ideal temperature is 55°–65°F.
When to Start Inside: 4 to 6 weeks before transplanting out in the fall. Sow in biodegradable pots and grow in cool conditions (55°F?65°F).
Days to Emerge: 10–21 days
Seed Depth: 1″
Seed Spacing: A group of 3 seeds every 12″
Thinning: When 3″ tall, thin to 1 every 12″
17 seeds.