When to Plant Goji Berries in USDA Zone 4a
May to-do list for Zone 4a
Your garden in Zone 4a is working on a schedule, even when you're not. Here's where you should be this May.
Looking ahead to June
- Transplants going out: goji berries
Goji berries are a deciduous shrub producing small, bright red berries valued as a superfood. The plants are extremely hardy and drought-tolerant once established.
In Zone 4a, the average last spring frost is around May 6 and the first fall frost is around September 28, giving you a growing season of approximately 145 days.
Goji Berries Planting Timeline — Zone 4a
Where Is USDA Zone 4a?
The map below highlights the states that contain Zone 4a. Click any state to see the Goji Berries planting schedule for that location.
Goji Berries Planting Calendar — Zone 4a
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | June 3 | Jun 3 – Jun 17 |
· 48" apart · Rows 72" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | — |
| June | Transplant Outdoors |
| July | — |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Free Zone 4a Planting Calendar PDF
Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 4a with start dates, transplant windows, and harvest times.
Growing Conditions
Sun
Full Sun (6-8+ hours)
💧 Water
Low — drought tolerant
Days to Maturity
730–1095 days
Soil pH
6.5 – 8
Zone Temperature Range
°F to °F average annual minimum
Growing Season
145 days (Zone average)
Planting Specifications
| Plant Spacing | 48 inches apart |
| Row Spacing | 72 inches between rows |
Growing Tips for Goji Berries in Zone
Zone has a short growing season (~145 days). Start Goji Berries indoors early and use season-extension techniques like row covers and cold frames.
Plant in well-drained soil in full sun. Prune annually to manage the arching, somewhat wild growth habit. Berries ripen over an extended period in summer and fall. Can be trellised.
Companion Planting
Good Companions
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The pairings that make vegetables, herbs, and flowers grow better — and the ones that quietly wreck a bed.
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Saving Goji Berries Seeds
Recommended for Your Garden
Sharp bypass pruners for clean cuts on fruit trees, berry bushes, and woody herbs.
Start seeds indoors with reusable cell trays and humidity domes.
Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.
Related Plants
Goji Berries in Other Zones
Goji Berries 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 Goji Berries in Zone 4a?
In Zone 4a, plan your Goji Berries planting around the average last frost date of May 6. Transplant seedlings around June 3.
Can Goji Berries grow in Zone 4a?
Yes, Goji Berries can grow well in Zone 4a, hardy in USDA zones 3a through 10b. Zone 4a has a growing season of approximately 145 days, which is sufficient for Goji Berries (730-1095 days to maturity).
What is the last frost date for Zone 4a?
The average last spring frost in Zone 4a is around May 6, and the first fall frost is around September 28. This gives a growing season of approximately 145 days. These are 50% probability dates — actual frost dates vary year to year.
What should I plant next to Goji Berries?
Good companion plants for Goji Berries include Lavender, 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.