How to Grow Mars
Lathyrus odoratus
Your complete guide to growing Mars.
📷 Wikipedia: Sweet peaWhen to Plant Mars
Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.
| Zone | Start Indoors | Direct Sow | Harvest |
|---|---|---|---|
| Zone 1 | May – June | July – September | — |
| Zone 2 | April – May | June – August | — |
| Zone 3 | April – May | June – August | — |
| Zone 4 | March – April | June – July | — |
| Zone 5 | March – April | May – July | — |
| Zone 6 | March – April | May – July | — |
| Zone 7 | February – March | April – June | — |
| Zone 8 | February – March | April – June | — |
| Zone 9 | January – February | March – May | — |
| Zone 10 | January | February – April | — |
| Zone 11 | January | January – March | — |
| Zone 12 | January | January – March | — |
| Zone 13 | January | January – March | — |
Companion Plants for Mars
✓ Good companions
Attracts beneficial insects and creates aromatic pest barrier
Marigolds deter cucumber beetles and improve overall garden health
Marigolds provide pest protection while lettuce utilizes space efficiently
Act as trap crops for aphids and flea beetles, protecting marigolds from pest damage
Repel aphids, tomato hornworms, and other soft-bodied insects
Repel aphids and may reduce black spot and other fungal diseases
Marigolds repel nematodes and whiteflies that commonly attack tomato plants
Attract beneficial predatory insects and create diverse pollinator habitat
✗ Keep away from
Marigolds may inhibit bean growth and nitrogen fixation through root secretions
Strong marigold scent can interfere with beneficial insects needed for brassica pollination
Allelopathic compounds inhibit growth of most companion plants including marigolds
