Find Lathyrus odoratus 'Blue Shift' seeds at Enchanting Sweet Peas.com and Sweet Pea Gardens ... variety that produce masses of dark pink and purple blooms. Fire and Ice is one of my favorite ...

Read more: 15 Best Purple Plants For Your Flower Garden ... toward the end of winter or early spring. To start sweet peas, soak the seeds overnight to encourage them to sprout more quickly.

By BECKY LIVERMORE, Master Gardener The first annual vines in the ground at our place are sweet peas — Lathyrus odoratur. During a well-organized spring, I start them indoors in pots.