When to Plant Lettuce in USDA Zone 9a
April in Zone 9a — your action list
Your Zone 9a garden is entering a new phase. Here's what's on the schedule for April and why each task matters now.
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It's harvest week for lettuce
The more you pick, the more the plant produces. Letting fruit overripen tells the plant it's time to stop.
A few tasks this April that'll pay off in May
- First harvests: lettuce
Lettuce is a fast-growing cool-season green available in leaf, romaine, butterhead, and crisphead types. It is the foundation of salads and one of the easiest crops to grow.
In Zone 9a, the average last spring frost is around February 10 and the first fall frost is around December 10, giving you a growing season of approximately 303 days.
Lettuce Planting Timeline — Zone 9a
Where Is USDA Zone 9a?
The map below highlights the states that contain Zone 9a. Click any state to see the Lettuce planting schedule for that location.
Lettuce Planting Calendar — Zone 9a
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | January 13 | Jan 13 – Jan 27 |
| Transplant Outdoors | February 10 | Feb 10 – Feb 24 |
| Direct Sow | January 20 | Jan 20 – Feb 10 |
| Harvest | March 17 | Mar 17 – May 26 |
| Fall Sowing | October 15 | Oct 15 – Oct 29 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Start Indoors Direct Sow |
| February | Transplant Outdoors Direct Sow |
| March | Harvest |
| April | Harvest |
| May | Harvest |
| June | — |
| July | — |
| August | — |
| September | — |
| October | Fall Sowing |
| November | — |
| December | — |
Free Zone 9a Planting Calendar PDF
Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 9a with start dates, transplant windows, and harvest times.
Growing Conditions
Sun
Partial Shade (3-6 hours)
💧 Water
0.7"/week · Moderate — regular watering
Days to Maturity
30–60 days
Soil pH
6 – 7
Zone Temperature Range
°F to °F average annual minimum
Growing Season
303 days (Zone average)
Planting Specifications
| Planting Depth | 0.5 inches |
| Plant Spacing | 6 inches apart |
| Row Spacing | 12 inches between rows |
Succession Planting Lettuce in Zone
Sow every 3.4 weeks for continuous harvest throughout the season.
Growing Tips for Lettuce in Zone
Zone has a short growing season (~303 days). Start Lettuce indoors early and use season-extension techniques like row covers and cold frames.
Lettuce needs approximately 0.7 inches of water per week during active growth. Adjust watering based on your local rainfall and soil drainage.
Sow seeds directly every 2 weeks for continuous harvest. Provide afternoon shade in warm weather to delay bolting. Harvest in the morning for crispest leaves.
Companion Planting
Good Companions
Avoid Planting Near
The Gardener's Encyclopedia to Companion Planting
The pairings that make vegetables, herbs, and flowers grow better — and the ones that quietly wreck a bed.
- Proven pairings for 200+ vegetables, herbs, flowers, and fruits
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Saving Lettuce Seeds
Very easy to save. Let a few plants bolt each season.
Recommended for Your Garden
Start seeds indoors with reusable cell trays and humidity domes.
Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.
Keep your garden organized with durable, weather-resistant plant labels.
Related Plants
Lettuce in Other Zones
Lettuce by State
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
Frequently Asked Questions
When should I plant Lettuce in Zone 9a?
In Zone 9a, plan your Lettuce planting around the average last frost date of February 10. Start seeds indoors around January 13. Direct sow outdoors around January 20. Transplant seedlings around February 10.
Can Lettuce grow in Zone 9a?
Yes, Lettuce can grow well in Zone 9a, hardy in USDA zones 2a through 11b. Zone 9a has a growing season of approximately 303 days, which is sufficient for Lettuce (30-60 days to maturity).
When can I harvest Lettuce in Zone 9a?
In Zone 9a, expect to harvest Lettuce from March 17 – May 26. Lettuce takes 30-60 days from planting to harvest.
What is the last frost date for Zone 9a?
The average last spring frost in Zone 9a is around February 10, and the first fall frost is around December 10. This gives a growing season of approximately 303 days. These are 50% probability dates — actual frost dates vary year to year.
What should I plant next to Lettuce?
Good companion plants for Lettuce include Carrots, Radish, Chives, Onion. These companions can help with pest control, pollination, and nutrient sharing.
Your Free Printable Garden Planner
A 24-page printable planner tailored to your zone. Planting dates, monthly task lists, harvest log, seed inventory, and succession charts — everything you need to plan a full season.