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When to Plant Carrots in USDA Zone 8b

Zone 8b Zone 8b April

Your April game plan for Zone 8b

We've pulled the most time-sensitive tasks for Zone 8b this April and put them front and centre. Tackle them in order.

Avg. last frost March 5
Avg. first frost November 22
  1. Start harvesting carrots

    The more you pick, the more the plant produces. Letting fruit overripen tells the plant it's time to stop.

Before May arrives, get these ready
  • First harvests: carrots
Download your personalised Zone 8b planting plan →
Carrots

Carrots are a popular root vegetable available in orange, purple, white, and yellow varieties. They are rich in beta-carotene and have a sweet, earthy flavor.

In Zone 8b, the average last spring frost is around February 25 and the first fall frost is around November 28, giving you a growing season of approximately 276 days.

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Zone 8b Year-round
276 days
Last Spring Frost February 25
276 growing days
First Fall Frost November 28

Carrots Planting Timeline — Zone 8b

Where Is USDA Zone 8b?

The map below highlights the states that contain Zone 8b. Click any state to see the Carrots planting schedule for that location.

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

Carrots Planting Calendar — Zone 8b

Activity When Date Range
Direct Sow February 11 Feb 11 – Mar 4
Harvest April 15 Apr 15 – May 20
Fall Sowing September 19 Sep 19 – Oct 3

Plant 0.5" deep · 6" 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

Free Zone 8b Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 8b with start dates, transplant windows, and harvest times.

Instant PDF download. No spam, unsubscribe any time.

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Growing Conditions

Sun

Full Sun (6-8+ hours)

💧 Water

0.8"/week · Moderate — regular watering

Days to Maturity

60–80 days

Soil pH

6 – 6.8

Zone Temperature Range

°F to °F average annual minimum

Growing Season

276 days (Zone average)

Planting Specifications

Planting Depth0.5 inches
Plant Spacing6 inches apart
Row Spacing12 inches between rows

Succession Planting Carrots in Zone

5
successive plantings in Zone 's ~276-day season

Sow every 6.9 weeks for continuous harvest throughout the season.

Growing Tips for Carrots in Zone

Zone has a short growing season (~276 days). Start Carrots indoors early and use season-extension techniques like row covers and cold frames.

Carrots needs approximately 0.8 inches of water per week during active growth. Adjust watering based on your local rainfall and soil drainage.

Sow seeds directly in loose, stone-free soil for straight roots. Keep soil moist until germination which can take 2-3 weeks. Thin seedlings to 2 inches apart.

Companion Planting

Good Companions

Avoid Planting Near

  • Dill
  • Parsnip
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Saving Carrots Seeds

🌾 Save Your Own Carrots Seeds
Life Cycle Biennial
Pollination Cross-Pollinated (insects)
How to Collect Replant roots for 2nd year flowers. Harvest umbels when brown.
Storage Store airtight; viable 3 years at 35°F, under 50% humidity.

Isolate 1/2 mile from Queen Anne's Lace (wild carrot). Biennial — requires two seasons.

Recommended for Your Garden

🌱
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.

🏷️
Garden Plant Markers $6-12

Keep your garden organized with durable, weather-resistant plant labels.

Related Plants

Frequently Asked Questions

When should I plant Carrots in Zone 8b?

In Zone 8b, plan your Carrots planting around the average last frost date of February 25. Direct sow outdoors around February 11.

Can Carrots grow in Zone 8b?

Yes, Carrots can grow well in Zone 8b, hardy in USDA zones 3a through 10b. Zone 8b has a growing season of approximately 276 days, which is sufficient for Carrots (60-80 days to maturity).

When can I harvest Carrots in Zone 8b?

In Zone 8b, expect to harvest Carrots from April 15 – May 20. Carrots takes 60-80 days from planting to harvest.

What is the last frost date for Zone 8b?

The average last spring frost in Zone 8b is around February 25, and the first fall frost is around November 28. This gives a growing season of approximately 276 days. These are 50% probability dates — actual frost dates vary year to year.

What should I plant next to Carrots?

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

🌱

Your Free Printable Garden Planner

A 24-page printable planner tailored to your zone. 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: April 2026.

Sources & credits

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