Peas have sensitive roots and do not transplant well, so it is recommended that you direct-sow your pea seeds. They have no problem germinating in cold weather, so indoor starts are not usually required. However, if you have started seedlings indoors, they can be planted out u003cstrongu003egentlyu003c/strongu003e about 2 weeks before the last frost date, when the seedlings are about 4 weeks old.