sweet pea: Delicate twining vine. It can get aggressive and pop up many different places. Difficult to pull from the roots, but still worth having. Trellis it or it will grow over and pull down other perennials.
Best Courtyard Garden brick wall shelter roof raised bed of vegetables obelisk Lathyrus sweet pea broad beans carrots lettuce Digitalis watering can Design: Adam Woolcott and Jonathan Swift, AW Gardening Services RHS Chelsea Flower Show 2007 UK Marcus Harpur