| When is it safe to plant cold crop vegetables such as lettuce? Zone 6,last frost date april 15? hen is it safe to plant cold crop vegetables,like lettuce? Zone 6, estimated last frost date April 15? |
| Peas and spinach and cole crop transplants can be set out about a month to six weeks before the last frost, lettuce can be seeded beginning then as well, and done about once a week to maintain an ongoing fresh supply. Most seed packets will also give an indication of timing. |
