How to Propagate Lathyrus odoratus 'Kate Cumberpatch'?
Propagate by seed sown in a cold frame in early autumn or early spring, or in-situ in mid-spring. Propagate by seed: in milder areas sow during autumn, and overwinter the young plants in a cold frame or unheated glasshouse, or in colder areas sow in late March or April; plant out after the final spring frost. See sowing seeds indoors for further advice
