How to Grow Sugar Snap
Pisum sativum
Sugar Snap peas offer sweet, crunchy pods filled with tender peas that snap easily when eaten. Gardeners prize this heirloom variety for its reliable yield and excellent resistance to common fungal issues like powdery mildew.
📷 Wikimedia CommonsStarting Sugar Snap: indoors or direct sow?
🌾 Sow directly in the garden — Sugar Snap is not usually started indoors.
Direct sow seeds into the garden two to six weeks before the last frost date rather than starting indoors.
Soil, care & harvest
Prepare loose, well-draining soil with a pH between 6.0 and 7.5. As a cool-season crop, sow seeds directly in the garden two to six weeks before your last spring frost date. Press seeds about one inch deep into the soil. Germination typically takes seven to fourteen days once conditions are right.
Space plants two to four inches apart and provide sturdy trellises or netting for support as they climb. Keep soil consistently moist, aiming for one inch of water per week, especially during flowering. Apply a light layer of mulch around the base to retain moisture and suppress weeds without blocking air circulation.
Monitor plants closely for pea aphids, thrips, weevils, and cutworms; use strong water sprays or hand-picking to manage infestations early. Prevent powdery mildew by ensuring good airflow and avoiding overhead watering. Harvest pods when they are plump but still crisp, approximately 58 days after sowing.
When to Plant Sugar Snap
Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.
| Zone | Start Indoors | Direct Sow | Harvest |
|---|---|---|---|
| Zone 1 | — | June – July | July – September |
| Zone 2 | — | May – July | July – September |
| Zone 3 | — | May – June | June – October |
| Zone 4 | — | April – June | June – October |
| Zone 5 | — | April – May | June – November |
| Zone 6 | — | April – May | May – November |
| Zone 7 | — | March – May | May – November |
| Zone 8 | — | March – April | April – December |
| Zone 9 | — | February – March | March – December |
| Zone 10 | — | January – March | March – December |
| Zone 11 | — | January – February | February – December |
| Zone 12 | — | January – February | February – December |
| Zone 13 | — | January – February | February – December |
Companion Plants for Sugar Snap
✓ Good companions
Peas fix nitrogen in soil that carrots need, while carrots don't compete for space
Repel aphids and improve overall garden pest management
Provides ground cover and benefits from nitrogen fixed by peas
Repel aphids and other pests that commonly attack pea plants
Deters ants and aphids, though should be contained to prevent spreading
Act as trap crop for aphids and cucumber beetles
Break up soil for pea roots and mature quickly before peas need full space
Cool season companion that utilizes nitrogen from pea roots
✗ Keep away from
May stunt pea growth through allelopathic effects
Competes heavily for nutrients and can harbor thrips that damage peas
Can inhibit pea growth and nitrogen fixation by their root compounds
Nutrition Facts
Per 100g serving (USDA FoodData Central)
