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When to Plant Shallot in USDA Zone 10b

Shallots are a gourmet allium prized for their complex, sweet, and mild flavor. Each bulb multiplies into a cluster, making them easy and rewarding to grow.

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
364 days
Last Spring Frost January 1
364 growing days
First Fall Frost December 31

Shallot 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 Shallot planting schedule for that location.

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

Shallot Planting Calendar — Zone 10b

Activity When Date Range
Start Indoors December 4 Dec 4 – Dec 18
Transplant Outdoors January 1 Jan 1 – Jan 15
Direct Sow December 11 Dec 11 – Jan 1
Harvest April 2 Apr 2 – May 21
Fall Sowing November 5 Nov 5 – Nov 19

Plant 1" deep · 6" apart · Rows 12" apart

Month-by-Month Timeline

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

Moderate — regular watering

Days to Maturity

90–120 days

Soil pH

6 – 7

Zone Temperature Range

35°F to 40°F average annual minimum

Growing Season

364 days (Zone 10b average)

Planting Specifications

Planting Depth1 inches
Plant Spacing6 inches apart
Row Spacing12 inches between rows

Growing Tips for Shallot in Zone 10b

Zone 10b offers a long growing season (~364 days). You can plant Shallot earlier and may get multiple harvests.

Plant sets in fall for spring harvest or early spring for summer harvest. Mulch heavily if overwintering. Harvest when tops brown and dry, then cure for storage.

Companion Planting

Good Companions

Avoid Planting Near

  • Peas
  • Green Beans

Level Up Your Garden

Saving Shallot Seeds

Recommended for Your Garden

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Garden Shade Cloth $15-35

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

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Seed Starting Trays $8-20

Start seeds indoors with reusable cell trays and humidity domes.

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Soil Test Kit $12-25

Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.

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Frequently Asked Questions

When should I plant Shallot in Zone 10b?

In Zone 10b, plan your Shallot 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 January 1.

Can Shallot grow in Zone 10b?

Yes, Shallot can grow well in Zone 10b, hardy in USDA zones 4a through 10b. Zone 10b has a growing season of approximately 364 days, which is sufficient for Shallot (90-120 days to maturity).

When can I harvest Shallot in Zone 10b?

In Zone 10b, expect to harvest Shallot from April 2 – May 21. Shallot takes 90-120 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 Shallot?

Good companion plants for Shallot include Carrots, Beets, Lettuce. These companions can help with pest control, pollination, and nutrient sharing.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner — organize your planting dates for Zone 10b, track your crops, and plan your garden season from seed to harvest.

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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: April 2026.