When to Plant Radish in USDA Zone 2a
Your June gardening checklist
June rewards gardeners who work with the weather, not against it. Here's how to stay in step this month in Zone 2a.
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Bring in the radish
Taste as you pick. The first ripe produce is the best feedback loop you'll get all season.
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Start your fall crops: radish
Keep young seedlings shaded and moist in summer heat. A row of taller crops works as natural shade.
July prep starts now
- First harvests: radish
Radishes are one of the fastest-growing vegetables, with some varieties ready in under a month. They come in round, elongated, and large winter types.
In Zone 2a, the average last spring frost is around May 30 and the first fall frost is around September 1, giving you a growing season of approximately 94 days.
Radish Planting Timeline — Zone 2a
Where Is USDA Zone 2a?
The map below highlights the states that contain Zone 2a. Click any state to see the Radish planting schedule for that location.
Radish Planting Calendar — Zone 2a
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | May 23 | May 23 – Jun 13 |
| Harvest | June 20 | Jun 20 – Jul 11 |
| Fall Sowing | June 9 | Jun 9 – Jun 23 |
Plant 0.5" deep · 2" apart · Rows 6" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | Direct Sow |
| June | Direct Sow Fall Sowing Harvest |
| July | Harvest |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Free Zone 2a Planting Calendar PDF
Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 2a with start dates, transplant windows, and harvest times.
Growing Conditions
Sun
Full Sun (6-8+ hours)
💧 Water
0.5"/week · Moderate — regular watering
Days to Maturity
22–35 days
Soil pH
6 – 7
Zone Temperature Range
-50°F to -45°F average annual minimum
Growing Season
94 days (Zone 2a average)
Planting Specifications
| Planting Depth | 0.5 inches |
| Plant Spacing | 2 inches apart |
| Row Spacing | 6 inches between rows |
Succession Planting Radish in Zone 2a
Sow every 2.4 weeks for continuous harvest throughout the season.
Growing Tips for Radish in Zone 2a
Zone 2a has a short growing season (~94 days). Start Radish indoors early and use season-extension techniques like row covers and cold frames.
Radish needs approximately 0.5 inches of water per week during active growth. Adjust watering based on your local rainfall and soil drainage.
Direct sow every 1-2 weeks for continuous harvest. Do not transplant. Harvest spring radishes promptly to prevent them from becoming pithy and hot.
Companion Planting
Good Companions
Avoid Planting Near
The Gardener's Encyclopedia to Companion Planting
The pairings that make vegetables, herbs, and flowers grow better — and the ones that quietly wreck a bed.
- Proven pairings for 200+ vegetables, herbs, flowers, and fruits
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Saving Radish Seeds
Recommended for Your Garden
Full-spectrum LED lights for starting seeds indoors when daylight is limited.
Warm soil for faster germination of heat-loving crops like tomatoes and peppers.
Protect plants from frost, wind, and pests while letting light and water through.
Related Plants
Radish in Other Zones
Radish by State
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
Frequently Asked Questions
When should I plant Radish in Zone 2a?
In Zone 2a, plan your Radish planting around the average last frost date of May 30. Direct sow outdoors around May 23.
Can Radish grow in Zone 2a?
Yes, Radish can grow well in Zone 2a, hardy in USDA zones 2a through 11b. Zone 2a has a growing season of approximately 94 days, which is sufficient for Radish (22-35 days to maturity).
When can I harvest Radish in Zone 2a?
In Zone 2a, expect to harvest Radish from June 20 – July 11. Radish takes 22-35 days from planting to harvest.
What is the last frost date for Zone 2a?
The average last spring frost in Zone 2a is around May 30, and the first fall frost is around September 1. This gives a growing season of approximately 94 days. These are 50% probability dates — actual frost dates vary year to year.
What should I plant next to Radish?
Good companion plants for Radish include Carrots, Lettuce, Peas, Spinach. These companions can help with pest control, pollination, and nutrient sharing.
Your Zone 2a Garden Planner — Free
A 22-page printable planner tailored to Zone 2a. Planting dates, monthly task lists, harvest log, seed inventory, and succession charts — everything you need to plan a full season.