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When to Plant Daikon in USDA Zone 8a

Zone 8a Zone 8a May

What to do in May

Welcome to May in Zone 8a. These are the moves that will have the biggest impact on your growing season.

Avg. last frost March 28
Avg. first frost November 6
  1. Start harvesting daikon

    If you can't use it all right away, check the food-preservation section of your planner.

Get ahead of June
  • First harvests: daikon
Get the full Zone 8a Garden Planner — free →

Daikon is a large, mild Japanese radish that can grow over a foot long. It is excellent for pickling, stir-fries, and as a soil-breaking cover crop.

In Zone 8a, the average last spring frost is around March 8 and the first fall frost is around November 18, giving you a growing season of approximately 255 days.

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Zone 8a Long season
255 days
Last Spring Frost March 8
255 growing days
First Fall Frost November 18

Daikon Planting Timeline — Zone 8a

Where Is USDA Zone 8a?

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

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

Daikon Planting Calendar — Zone 8a

Activity When Date Range
Direct Sow February 22 Feb 22 – Mar 15
Harvest April 19 Apr 19 – May 17
Fall Sowing September 9 Sep 9 – Sep 23

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
November
December

Free Zone 8a Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 8a 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

50–70 days

Soil pH

5.8 – 7

Zone Temperature Range

°F to °F average annual minimum

Growing Season

255 days (Zone average)

Planting Specifications

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

Succession Planting Daikon in Zone

6
successive plantings in Zone 's ~255-day season

Sow every 5.7 weeks for continuous harvest throughout the season.

Growing Tips for Daikon in Zone

Zone has a short growing season (~255 days). Start Daikon indoors early and use season-extension techniques like row covers and cold frames.

Direct sow in late summer for fall harvest. Loosen soil deeply before planting. Thin seedlings to 6 inches apart. Harvest before hard freeze as exposed shoulders may crack.

Companion Planting

Good Companions

Avoid Planting Near

  • Hyssop
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Saving Daikon Seeds

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.

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Garden Plant Markers $6-12

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

Related Plants

Frequently Asked Questions

When should I plant Daikon in Zone 8a?

In Zone 8a, plan your Daikon planting around the average last frost date of March 8. Direct sow outdoors around February 22.

Can Daikon grow in Zone 8a?

Yes, Daikon can grow well in Zone 8a, hardy in USDA zones 2a through 11b. Zone 8a has a growing season of approximately 255 days, which is sufficient for Daikon (50-70 days to maturity).

When can I harvest Daikon in Zone 8a?

In Zone 8a, expect to harvest Daikon from April 19 – May 17. Daikon takes 50-70 days from planting to harvest.

What is the last frost date for Zone 8a?

The average last spring frost in Zone 8a is around March 8, and the first fall frost is around November 18. This gives a growing season of approximately 255 days. These are 50% probability dates — actual frost dates vary year to year.

What should I plant next to Daikon?

Good companion plants for Daikon include Carrots, Lettuce, Peas. 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: May 2026.

Sources & credits

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