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When to plant Beets in Monterey County, CA

Monterey County gardeners should plant Beets between February 20 and March 13 in spring. With Monterey County's Zone 9b climate (last frost March 13), Beets needs 50–70 days to mature — plant by September 8 for a full harvest. A second sowing from September 22 to October 6 extends the harvest into fall.

When to Plant Beets in Monterey County, CA

Beets
Monterey County, California Zone 9b June

June in the garden — Monterey County, California

Here's what deserves your attention in Monterey County, California this month. Everything below is tailored to Zone 9b and timed around your local frost dates.

Avg. last frost March 13
Avg. first frost November 17
Soil temp (4") 86°F
Watering Critical
Pest pressure High
Daylight 14.5 hrs

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Beets are a dual-purpose root vegetable with edible roots and nutritious greens. They come in red, golden, and striped varieties and are rich in vitamins and minerals.

Monterey County, California is in USDA Zone 9b. The average last spring frost is March 13 and the first fall frost is November 17, giving you a growing season of approximately 249 days.

At an elevation of 260 feet, Monterey County receives approximately 12.5 inches of rainfall annually with predominantly loam soil. Summer highs average 93°F, providing good warmth for Beets during the growing season. With low rainfall, drip irrigation is essential for growing Beets successfully. Mulch heavily to conserve soil moisture.

Monterey County, CA (Zone 9b) Long season
249 days
Last Spring Frost March 13
249 growing days
First Fall Frost November 17

Monterey County Soil Profile

Soil Type

Loam

Soil pH

6.7-7.2

Drainage

Well Drained

Monthly Watering Guide for Beets

Beets needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Beets Needs Rainfall You Supplement Action
Jan 2.7" 0" ❄️ Dormant
Feb 2.6" 0" ❄️ Dormant
Mar 4.3" 2.1" 2.2" 🚿 Regular watering
Apr 4.3" 1" 3.3" 🚿 Regular watering
May 4.3" 0.3" 4" 🚿 Regular watering
Jun 4.3" 0.1" 4.2" 🚿 Regular watering
Jul 4.3" 0" 4.3" 🚿 Regular watering
Aug 4.3" 0" 4.3" 🚿 Regular watering
Sep 4.3" 0.1" 4.2" 🚿 Regular watering
Oct 4.3" 0.5" 3.8" 🚿 Regular watering
Nov 4.3" 1.2" 3.1" 🚿 Regular watering
Dec 1.9" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Monterey County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Beets Planting Timeline — Monterey County, CA

Beets Planting Calendar

Activity When Date Range
Direct Sow February 20 Feb 20 – Mar 13
Harvest April 17 Apr 17 – May 15
Fall Sowing September 22 Sep 22 – Oct 6

Plant 0.5" deep · 4" apart · Rows 12" apart

Month-by-Month Timeline

MonthActivities
January
February Direct Sow
March Direct Sow
April Harvest
May Harvest
June
July
August
September Fall Sowing
October Fall Sowing
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

50–70 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 9b

📆 Growing Season

249 days in Monterey County

Growing Tips for Monterey County

Soak seeds overnight before planting to improve germination. Thin seedlings to 3-4 inches apart. Harvest roots when 1.5-3 inches in diameter for best texture.

Companion Planting

Good Companions

Avoid Planting Near

  • Pole Beans
  • Mustard Greens

Check more plant combinations with our Companion Planting Checker →

🌾 Save Your Own Beets Seeds
Life Cycle Biennial
Pollination Wind Pollinated
How to Collect Replant roots for 2nd-year seeds. Rub stalks to free clusters.
Storage Store airtight; viable 6 years at 35°F, under 50% humidity.

Isolate 1/2 mile from Swiss chard — same species, they will cross.

Frequently Asked Questions

When should I plant Beets in Monterey County, CA?

Monterey County is in Zone 9b with an average last frost of March 13. Plan your Beets planting based on this frost date — see the calendar above for exact timing.

What planting zone is Monterey County, CA?

Monterey County, California is in USDA Hardiness Zone 9b. The average last spring frost is March 13 and first fall frost is November 17.

When should I plant Beets in Monterey County, CA?

In Monterey County, CA, plant Beets after the last frost (around March 13) and before the first frost (around November 17). Best results when soil holds above 50°F.

What growing zone is Monterey County, CA for Beets?

Monterey County sits in USDA Zone 9b. Beets grows reliably in zones 2a through 11b, so it's a good fit here.

Can Beets grow in Monterey County's climate?

Yes — Beets grows well in Monterey County's temperate climate. Monterey County averages a 249-day frost-free season, with last frost around March 13 and first frost around November 17.

🌱

Your Monterey County Garden Planner — Free

A 22-page printable planner built for Monterey County (Zone 9b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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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 Monterey County, CA. Local conditions may vary. Last updated: June 2026.

Sources & credits

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