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When to Plant New Zealand Spinach in USDA Zone 6b

Zone 6b Zone 6b May

Your May gardening checklist

Welcome to May in Zone 6b. These are the moves that will have the biggest impact on your growing season.

Avg. last frost April 18
Avg. first frost October 21
  1. Plant out new zealand spinach

    Harden off for 7 days — a little more sun each day — before planting. That's the difference between a seedling that thrives and one that stalls.

A few tasks this May that'll pay off in June
  • Starting indoors: new zealand spinach
  • First harvests: new zealand spinach
Send me my free Zone 6b Planting Guide →

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 6b, the average last spring frost is around April 3 and the first fall frost is around October 25, giving you a growing season of approximately 205 days.

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Zone 6b Long season
205 days
Last Spring Frost April 3
205 growing days
First Fall Frost October 25

New Zealand Spinach Planting Timeline — Zone 6b

Where Is USDA Zone 6b?

The map below highlights the states that contain Zone 6b. Click any state to see the New Zealand Spinach planting schedule for that location.

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

New Zealand Spinach Planting Calendar — Zone 6b

Activity When Date Range
Start Indoors February 6 Feb 6 – Feb 20
Transplant Outdoors April 17 Apr 17 – May 1
Direct Sow April 10 Apr 10 – May 1
Harvest June 12 Jun 12 – Jul 10

Plant 0.5" deep · 6" apart · Rows 12" apart

Month-by-Month Timeline

MonthActivities
January
February Start Indoors
March
April Transplant Outdoors Direct Sow
May Transplant Outdoors Direct Sow
June Harvest
July Harvest
August
September
October
November
December

Free Zone 6b Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 6b 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

55–70 days

Soil pH

6 – 7.5

Zone Temperature Range

°F to °F average annual minimum

Growing Season

205 days (Zone average)

Planting Specifications

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

Succession Planting New Zealand Spinach in Zone

4
successive plantings in Zone 's ~205-day season

Sow every 6.3 weeks for continuous harvest throughout the season.

Growing Tips for New Zealand Spinach in Zone

Zone has a short growing season (~205 days). Start New Zealand Spinach indoors early and use season-extension techniques like row covers and cold frames.

Soak seeds overnight before planting. Direct sow after last frost. Pinch growing tips regularly to encourage bushy growth and tender new leaves.

Companion Planting

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Saving New Zealand Spinach 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.

🏷️
Garden Plant Markers $6-12

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

Related Plants

Frequently Asked Questions

When should I plant New Zealand Spinach in Zone 6b?

In Zone 6b, plan your New Zealand Spinach planting around the average last frost date of April 3. Start seeds indoors around February 6. Direct sow outdoors around April 10. Transplant seedlings around April 17.

Can New Zealand Spinach grow in Zone 6b?

Yes, New Zealand Spinach can grow well in Zone 6b, hardy in USDA zones 5a through 11b. Zone 6b has a growing season of approximately 205 days, which is sufficient for New Zealand Spinach (55-70 days to maturity).

When can I harvest New Zealand Spinach in Zone 6b?

In Zone 6b, expect to harvest New Zealand Spinach from June 12 – July 10. New Zealand Spinach takes 55-70 days from planting to harvest.

What is the last frost date for Zone 6b?

The average last spring frost in Zone 6b is around April 3, and the first fall frost is around October 25. This gives a growing season of approximately 205 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.

🌱

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.