📍 Corning, CA · Zone 9b · Last frost Tuesday, February 10, 2026
✏️ ChangeWhen to Plant Head Lettuce in Corning, California (96021)
Location
Corning, California
ZIP Code
96021
USDA Zone
9b
Last Frost
Tuesday, February 10, 2026
📅 Your 2026 Planting Dates
Direct Sow Outdoors
Tuesday, January 13, 2026
Based on last frost Tuesday, February 10, 2026 · Zone 9b
Pro tip: Sow Head Lettuce directly outdoors 4 weeks before your last frost date.
🌿 Plant Details
☀️ Growing Requirements
☀️
Sun
Full Sun
💧
Water
Regular
Seeds typically germinate in 1-7 days
Ready to Plant Head Lettuce in Corning?
Get your seeds now so they're ready by Tuesday, January 13, 2026.
* Affiliate links — we may earn a small commission at no extra cost to you.
🛠️ Supplies You'll Need
* Affiliate links — we may earn a small commission at no extra cost to you.
Common Head Lettuce Varieties
Popular cultivars to look for at your local nursery or seed supplier.
Buttercrunch
Award-winning butterhead with tender, creamy inner leaves and exceptional flavor.
Iceberg
Classic crunchy head lettuce with pale, mild leaves; very heat-sensitive, best in cool weather.
Romaine (Paris Island Cos)
Upright romaine with crisp ribs and dark green outer leaves; the Caesar salad standard.
Little Gem
Miniature romaine-butterhead cross; perfect for small gardens with dense, sweet heads.
🌾 Seed Saving Guide
🟢 EasyWhen to Harvest Seed
Let heads bolt — cut an X in the head to encourage the seed stalk to push through.
Processing
Harvest seed heads as they brown, dry 1 week, thresh gently to release seeds.
Seed Viability
Up to 3 years when stored cool, dark, and dry.
Pro Tip
Lettuce is self-pollinating but can occasionally cross — bag individual plants for perfectly pure seed.
Frequently Asked Questions
When should I plant Head Lettuce in Corning, California? +
In Corning (Zone 9b), direct sow Head Lettuce outdoors around Tuesday, January 13, 2026.
What is the last frost date for Corning, California? +
The average last spring frost date for Corning, California (ZIP 96021) is around Tuesday, February 10, 2026. This is based on NOAA climate normals for USDA Zone 9b.
How long does Head Lettuce take to grow? +
Head Lettuce typically matures in about 70 days from direct sowing. In Corning, that means you can expect harvest around Tuesday, January 13, 2026 plus 70 days.
Should I start Head Lettuce indoors or direct sow in California? +
Head Lettuce does best when direct sown outdoors. In Corning, sow directly around Tuesday, January 13, 2026.
📚 More Head Lettuce Planting Guides
Other Plants for Corning
Growing Head Lettuce in Zone 9b
Head Lettuce (Lactuca sativa) is a popular garden vegetable. In Corning, California, which is in USDA Hardiness Zone 9b, you should direct sow seeds around Tuesday, January 13, 2026.
Your average last frost date is Tuesday, February 10, 2026. Head Lettuce grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.