When to Plant New Zealand Spinach in USDA Zone 5a
New Zealand spinach is a heat-tolerant ground-cover plant with thick, triangular leaves that taste similar to true spinach. It thrives in hot weather when regular spinach bolts.
In Zone 5a, the average last spring frost is around April 25 and the first fall frost is around October 8, giving you a growing season of approximately 166 days.
New Zealand Spinach Planting Timeline — Zone 5a
Where Is USDA Zone 5a?
The map below highlights the states that contain Zone 5a. Click any state to see the New Zealand Spinach planting schedule for that location.
New Zealand Spinach Planting Calendar — Zone 5a
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 28 | Feb 28 – Mar 14 |
| Transplant Outdoors | May 9 | May 9 – May 23 |
| Direct Sow | May 2 | May 2 – May 23 |
| Harvest | July 4 | Jul 4 – Aug 1 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Start Indoors |
| April | — |
| May | Transplant Outdoors Direct Sow |
| June | — |
| July | Harvest |
| August | Harvest |
| September | — |
| October | — |
| November | — |
| December | — |
Free Zone 5a Planting Calendar PDF
Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 5a with start dates, transplant windows, and harvest times.
Growing Conditions
Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
Days to Maturity
55–70 days
Soil pH
6 – 7.5
Zone Temperature Range
-20°F to -15°F average annual minimum
Growing Season
166 days (Zone 5a average)
Planting Specifications
| Planting Depth | 0.5 inches |
| Plant Spacing | 6 inches apart |
| Row Spacing | 12 inches between rows |
Succession Planting New Zealand Spinach in Zone 5a
Sow every 6.3 weeks for continuous harvest throughout the season.
Growing Tips for New Zealand Spinach in Zone 5a
Soak seeds overnight before planting. Direct sow after last frost. Pinch growing tips regularly to encourage bushy growth and tender new leaves.
Companion Planting
Good Companions
Level Up Your Garden
Saving New Zealand Spinach Seeds
Recommended for Your Garden
Start seeds indoors with reusable cell trays and humidity domes.
Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.
Keep your garden organized with durable, weather-resistant plant labels.
Related Plants
New Zealand Spinach in Other Zones
New Zealand Spinach 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 New Zealand Spinach in Zone 5a?
In Zone 5a, plan your New Zealand Spinach planting around the average last frost date of April 25. Start seeds indoors around February 28. Direct sow outdoors around May 2. Transplant seedlings around May 9.
Can New Zealand Spinach grow in Zone 5a?
Yes, New Zealand Spinach can grow well in Zone 5a, hardy in USDA zones 5a through 11b. Zone 5a has a growing season of approximately 166 days, which is sufficient for New Zealand Spinach (55-70 days to maturity).
When can I harvest New Zealand Spinach in Zone 5a?
In Zone 5a, expect to harvest New Zealand Spinach from July 4 – August 1. New Zealand Spinach takes 55-70 days from planting to harvest.
What is the last frost date for Zone 5a?
The average last spring frost in Zone 5a is around April 25, and the first fall frost is around October 8. This gives a growing season of approximately 166 days. These are 50% probability dates — actual frost dates vary year to year.
What should I plant next to New Zealand Spinach?
Good companion plants for New Zealand Spinach include Tomatoes, Corn, Peas. These companions can help with pest control, pollination, and nutrient sharing.
Plan Your Garden with Confidence
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