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When to Plant Cumin in USDA Zone 10b

Zone 10b Zone 10b June

June in the garden — Zone 10b

Each item below is timed to Zone 10b's frost dates and soil temperatures. Skip nothing, stress about nothing.

Avg. last frost February 13
Avg. first frost November 27
  1. It's harvest week for cumin

    This is the payoff month. Bring a basket, bring a friend, and get into the beds.

Before July arrives, get these ready
  • First harvests: cumin
Send me my free Zone 10b Planting Guide →

Cumin is a warm-season annual herb whose seeds are one of the most widely used spices globally. It requires a long, hot growing season of 3-4 months.

In Zone 10b, the average last spring frost is around January 1 and the first fall frost is around December 31, giving you a growing season of approximately 364 days.

Zone 10b Year-round
365 days
Last Spring Frost No frost
365 growing days
First Fall Frost No frost

Cumin Planting Timeline — Zone 10b

Where Is USDA Zone 10b?

The map below highlights the states that contain Zone 10b. Click any state to see the Cumin planting schedule for that location.

Prints a clean, ink-friendly version without maps or navigation.

Cumin Planting Calendar — Zone 10b

Activity When Date Range
Start Indoors December 4 Dec 4 – Dec 18
Transplant Outdoors December 25 Dec 25 – Jan 8
Direct Sow December 11 Dec 11 – Jan 1
Harvest April 9 Apr 9 – Jun 11
Fall Sowing November 5 Nov 5 – Nov 19

Plant 0.5" deep · 8" apart · Rows 12" apart

Month-by-Month Timeline

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

Free Zone 10b Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 10b with start dates, transplant windows, and harvest times.

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Growing Conditions

Sun

Full Sun (6-8+ hours)

💧 Water

Low — drought tolerant

Days to Maturity

100–120 days

Soil pH

6 – 8

Zone Temperature Range

35°F to 40°F average annual minimum

Growing Season

365 days (Zone 10b average)

Planting Specifications

Planting Depth0.5 inches
Plant Spacing8 inches apart
Row Spacing12 inches between rows

Growing Tips for Cumin in Zone 10b

Zone 10b offers a long growing season (~365 days). You can plant Cumin earlier and may get multiple harvests.

Start seeds indoors 4 weeks before last frost. Transplant after all danger of frost. Harvest when seed heads turn brown. Requires consistent warmth for proper seed development.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel
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Saving Cumin Seeds

Recommended for Your Garden

☀️
Garden Shade Cloth $15-35

Reduce heat stress and sun scorch in hot climates with UV-stabilized shade cloth.

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Fabric Grow Bags $10-25

Breathable fabric pots that promote healthy root growth and prevent overwatering.

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Self-Watering Planters $15-40

Built-in reservoir keeps herbs and greens consistently watered with less effort.

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Frequently Asked Questions

When should I plant Cumin in Zone 10b?

In Zone 10b, plan your Cumin planting around the average last frost date of January 1. Start seeds indoors around December 4. Direct sow outdoors around December 11. Transplant seedlings around December 25.

Can Cumin grow in Zone 10b?

Yes, Cumin can grow well in Zone 10b, hardy in USDA zones 5a through 11b. Zone 10b has a growing season of approximately 364 days, which is sufficient for Cumin (100-120 days to maturity).

When can I harvest Cumin in Zone 10b?

In Zone 10b, expect to harvest Cumin from April 9 – June 11. Cumin takes 100-120 days from planting to harvest.

What is the last frost date for Zone 10b?

The average last spring frost in Zone 10b is around January 1, and the first fall frost is around December 31. This gives a growing season of approximately 364 days. These are 50% probability dates — actual frost dates vary year to year.

What should I plant next to Cumin?

Good companion plants for Cumin include Peppers, Tomatoes. These companions can help with pest control, pollination, and nutrient sharing.

🌱

Your Zone 10b Garden Planner — Free

A 22-page printable planner tailored to Zone 10b. Planting dates, monthly task lists, harvest log, seed inventory, and succession charts — everything you need to plan a full season.

Instant PDF download. No spam, unsubscribe any time.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Planting dates are estimates based on average frost dates — local conditions may vary. Last updated: June 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.