When to Plant Chives in USDA Zone 4b
May in Zone 4b — your action list
Here's what deserves your attention in Zone 4b this month. Everything below is tailored to Zone 4b and timed around your local frost dates.
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Harden off and plant chives
Your last frost (May 11) has passed. These warm-season crops can handle outdoor soil now.
Chives are a hardy perennial herb with a mild onion flavor and attractive purple pom-pom flowers. They are one of the easiest herbs to grow and maintain.
In Zone 4b, the average last spring frost is around May 1 and the first fall frost is around October 3, giving you a growing season of approximately 155 days.
Chives Planting Timeline — Zone 4b
Where Is USDA Zone 4b?
The map below highlights the states that contain Zone 4b. Click any state to see the Chives planting schedule for that location.
Chives Planting Calendar — Zone 4b
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 8 | May 8 – May 22 |
| Harvest | July 10 | Jul 10 – Sep 18 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | Transplant Outdoors |
| June | — |
| July | Harvest |
| August | Harvest |
| September | Harvest |
| October | — |
| November | — |
| December | — |
Free Zone 4b Planting Calendar PDF
Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 4b with start dates, transplant windows, and harvest times.
Growing Conditions
Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
Days to Maturity
60–90 days
Soil pH
6 – 7
Zone Temperature Range
°F to °F average annual minimum
Growing Season
155 days (Zone average)
Planting Specifications
| Planting Depth | 0.5 inches |
| Plant Spacing | 8 inches apart |
| Row Spacing | 12 inches between rows |
Succession Planting Chives in Zone
Sow every 6.9 weeks for continuous harvest throughout the season.
Growing Tips for Chives in Zone
Zone has a short growing season (~155 days). Start Chives indoors early and use season-extension techniques like row covers and cold frames.
Start from seed or divisions in spring. Cut back to 2 inches after flowering to encourage fresh growth. Both the leaves and flowers are edible and delicious.
Companion Planting
Good Companions
Avoid Planting Near
The Gardener's Encyclopedia to Companion Planting
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- Proven pairings for 200+ vegetables, herbs, flowers, and fruits
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Saving Chives Seeds
Recommended for Your Garden
Breathable fabric pots that promote healthy root growth and prevent overwatering.
Built-in reservoir keeps herbs and greens consistently watered with less effort.
Start seeds indoors with reusable cell trays and humidity domes.
Related Plants
Chives in Other Zones
Chives 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 Chives in Zone 4b?
In Zone 4b, plan your Chives planting around the average last frost date of May 1. Transplant seedlings around May 8.
Can Chives grow in Zone 4b?
Yes, Chives can grow well in Zone 4b, hardy in USDA zones 3a through 10b. Zone 4b has a growing season of approximately 155 days, which is sufficient for Chives (60-90 days to maturity).
When can I harvest Chives in Zone 4b?
In Zone 4b, expect to harvest Chives from July 10 – September 18. Chives takes 60-90 days from planting to harvest.
What is the last frost date for Zone 4b?
The average last spring frost in Zone 4b is around May 1, and the first fall frost is around October 3. This gives a growing season of approximately 155 days. These are 50% probability dates — actual frost dates vary year to year.
What should I plant next to Chives?
Good companion plants for Chives include Carrots, Tomatoes, Lettuce. 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.