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When to Plant Tatsoi in Sacramento County, CA

Tatsoi is a compact Asian green forming beautiful rosettes of dark, spoon-shaped leaves with a mild mustard flavor. It is extremely cold-hardy and versatile.

Sacramento County, California is in USDA Zone 9b. The average last spring frost is February 12 and the first fall frost is December 1, giving you a growing season of approximately 292 days.

At an elevation of 263 feet, Sacramento County receives approximately 33.2 inches of rainfall annually with predominantly loam soil. Summer highs average 90ยฐF, providing good warmth for Tatsoi during the growing season.

Sacramento County, CA (Zone 9b) Year-round
292 days
Last Spring Frost February 12
292 growing days
First Fall Frost December 1

Sacramento County Soil Profile

Soil Type

Loam

Soil pH

6.4-7.1

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (233 days to spare)
Start indoors: Dec 29 Transplant: Jan 26 🍅 Harvest: Mar 2 – Apr 6
Recommended (50%) ✓ Fits season (222 days to spare)
Start indoors: Jan 15 Transplant: Feb 12 🍅 Harvest: Mar 19 – Apr 23
Safe Start (90%) ✓ Fits season (188 days to spare)
Start indoors: Mar 9 Transplant: Apr 6 🍅 Harvest: May 11 – Jun 15

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.5″/week
You supply
0.6″/week
Watering frequency 1-2 times/week
Season total 1,640 gal / 100 sq ft
Drought risk

Water stress score is 8/10 โ€” consider drought-tolerant varieties and mulching

Tatsoi needs ~744 GDD — county provides 5,127 GDD Excellent fit

Tatsoi Planting Timeline โ€” Sacramento County, CA

Tatsoi Planting Calendar

Activity When Date Range
Start Indoors January 15 Jan 15 โ€“ Jan 29
Transplant Outdoors February 12 Feb 12 โ€“ Feb 26
Direct Sow January 22 Jan 22 โ€“ Feb 12
Fall Sowing October 6 Oct 6 โ€“ Oct 20
Harvest March 19 Mar 19 โ€“ Apr 23

Plant 0.5" deep ยท 6" apart ยท Rows 12" apart

Month-by-Month Timeline

MonthActivities
January Start Indoors Direct Sow
February Transplant Outdoors Direct Sow
March Harvest
April Harvest
May โ€”
June โ€”
July โ€”
August โ€”
September โ€”
October Fall Sowing
November โ€”
December โ€”

Growing Conditions

Sun

Partial Shade (3-6 hours)

Water

Moderate โ€” regular watering

Days to Maturity

35โ€“50 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 9b

Growing Season

292 days

Growing Tips for Sacramento County

Direct sow in spring or fall. Tatsoi tolerates frost down to 15F. Harvest outer leaves or cut whole rosettes. Excellent in salads, stir-fries, or lightly wilted.

Companion Planting

Good Companions

Avoid Planting Near

  • Strawberries

Level Up Your Garden

Frequently Asked Questions

When should I plant Tatsoi in Sacramento County, CA?

Sacramento County is in Zone 9b with an average last frost of February 12. Plan your Tatsoi planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Sacramento County, CA?

Sacramento County, California is in USDA Hardiness Zone 9b. The average last spring frost is February 12 and first fall frost is December 1.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Sacramento County gardeners in Zone 9b organize planting dates, track what's growing, and never miss a planting window.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Sacramento County, CA. Local conditions may vary. Last updated: April 2026.