How to Grow Canasta
Lactuca sativa 'Canasta'
Lactuca sativa 'Canasta' is a reliable hybrid lettuce variety prized for its excellent bolt resistance and tolerance to tip burn. Gardeners choose this cool-season crop because it thrives in cooler temperatures while delivering crisp, tender leaves with minimal care requirements.
📷 Wikipedia: LettuceStarting Canasta: indoors or direct sow?
🌾 Sow directly in the garden — Canasta is not usually started indoors.
This variety is best direct-sown outdoors two to six weeks before the last frost due to its sensitivity to transplant shock and shallow root system.
Soil, care & harvest
Prepare loose soil with a pH between 6.0 and 7.0 before sowing seeds directly outdoors two to six weeks before the last spring frost. Alternatively, start indoors during this window for an early head start. Press seeds lightly into the soil surface at a depth of about 1/4 inch, as they require light to germinate. Expect sprouts to appear within seven to ten days under consistent moisture.
Space plants eight to ten inches apart in full sun or partial shade to ensure good air circulation. Keep soil consistently moist with one to one-and-a-half inches of water weekly, using mulch to retain moisture and suppress weeds. While lettuce does not need trellising, apply a balanced fertilizer sparingly if growth slows, though this variety is generally low-maintenance.
Watch for aphids, slugs, snails, and cabbage loopers; hand-pick pests or use barriers like copper tape. Prevent downy mildew by avoiding overhead watering and ensuring good airflow to reduce bottom rot and lettuce drop risks. Harvest outer leaves when the plant reaches 65 to 75 days after sowing for a continuous supply of fresh greens.
When to Plant Canasta
Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.
| Zone | Start Indoors | Direct Sow | Harvest |
|---|---|---|---|
| Zone 1 | — | June – July | August – September |
| Zone 2 | — | May – July | July – September |
| Zone 3 | — | May – June | July – October |
| Zone 4 | — | April – June | July – October |
| Zone 5 | — | April – May | June – November |
| Zone 6 | — | April – May | June – November |
| Zone 7 | — | March – May | May – November |
| Zone 8 | — | March – April | May – December |
| Zone 9 | — | February – March | April – 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 Canasta
✓ Good companions
Loose deep roots don't compete with shallow lettuce roots, maximizes space usage
Repels aphids and other pests while improving lettuce flavor
Attracts beneficial insects like ladybugs that control aphids
Strong scent deters slugs, snails, and aphids that commonly attack lettuce
Repels nematodes, aphids, and other harmful insects naturally
Acts as trap crop for aphids and cucumber beetles, drawing pests away
Quick-growing companion that breaks up soil and deters flea beetles
Similar growing requirements and helps shade soil to retain moisture
✗ Keep away from
Large leaves create excessive shade and compete heavily for nutrients
Can attract carrot flies and competes for similar soil nutrients
Allelopathic effects inhibit lettuce germination and growth
Nutrition Facts
Per 100g serving (USDA FoodData Central)
