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When to Plant Hot Peppers in USDA Zone 10b

Zone 10b Zone 10b June

June to-do list for Zone 10b

Here's what deserves your attention in Zone 10b this month. Everything below is tailored to Zone 10b and timed around your local frost dates.

Avg. last frost February 13
Avg. first frost November 27
  1. Start harvesting hot peppers

    Taste as you pick. The first ripe produce is the best feedback loop you'll get all season.

July prep starts now
  • First harvests: hot peppers
Get the full Zone 10b Garden Planner — free →

Hot peppers range from mildly spicy jalapenos to scorching superhots. They require long, warm growing seasons and produce capsaicin that gives them their heat.

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.

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

Hot Peppers 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 Hot Peppers planting schedule for that location.

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

Hot Peppers Planting Calendar — Zone 10b

Activity When Date Range
Start Indoors November 20 Nov 20 – Dec 4
Transplant Outdoors January 8 Jan 8 – Jan 22
Direct Sow January 1 Jan 1 – Jan 22
Harvest March 19 Mar 19 – Jun 25

Plant 1" deep · 15" apart · Rows 24" apart

Month-by-Month Timeline

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

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

70–120 days

Soil pH

6 – 7

Zone Temperature Range

35°F to 40°F average annual minimum

Growing Season

365 days (Zone 10b average)

Planting Specifications

Planting Depth1 inches
Plant Spacing15 inches apart
Row Spacing24 inches between rows

Succession Planting Hot Peppers in Zone 10b

6
successive plantings in Zone 10b's ~365-day season

Sow every 8 weeks for continuous harvest throughout the season.

Growing Tips for Hot Peppers in Zone 10b

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

Start seeds indoors 10-12 weeks before last frost as they germinate slowly. Use heat mats to maintain 80-85F soil temperature for germination. Stress plants slightly by reducing water to increase heat levels.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel
  • Kohlrabi
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Saving Hot Peppers Seeds

Recommended for Your Garden

☀️
Garden Shade Cloth $15-35

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

🌱
Seed Starting Trays $8-20

Start seeds indoors with reusable cell trays and humidity domes.

🧪
Soil Test Kit $12-25

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

Related Plants

Frequently Asked Questions

When should I plant Hot Peppers in Zone 10b?

In Zone 10b, plan your Hot Peppers planting around the average last frost date of January 1. Start seeds indoors around November 20. Direct sow outdoors around January 1. Transplant seedlings around January 8.

Can Hot Peppers grow in Zone 10b?

Yes, Hot Peppers 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 Hot Peppers (70-120 days to maturity).

When can I harvest Hot Peppers in Zone 10b?

In Zone 10b, expect to harvest Hot Peppers from March 19 – June 25. Hot Peppers takes 70-120 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 Hot Peppers?

Good companion plants for Hot Peppers include Basil, Tomatoes, Carrots. 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.