Sweet Pea Cupani
Lathyrus odoratus
Annual. Found in the wild in the late 1600s, Cupani is the first sweet pea to be discovered for cultivation in home gardens. The scent, color and charm of this Italian heirloom continue to capture the hearts of every sweet pea lover. Cupani keeps blooming even when warm weather arrives. Flowers average 1".
Full sun. Blooms spring/summer.
Height: 5' - 7' vines
Days to Emerge: 10 - 21 days
Seed Depth: 1"
Seed Spacing: A group of 3 seeds every 6"
Thinning: When 3" tall, thin to 1 every 6"
When to sow outside: RECOMMENDED. Cold winter climates: 4 to 6 weeks before average last frost, or as soon as the soil can be worked. Mild winter climates: Late fall to early winter for early spring bloom.
When to start inside: 4 to 6 weeks before average last frost.
Special germination instructions: To hasten germination, soak seed in water for 12 - 24 hours, or nick with sandpaper before sowing.
Artist: Roberta Lutgens