When to Plant New Zealand Spinach in McKean County, PA
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.
McKean County, Pennsylvania is in USDA Zone 5a. The average last spring frost is May 18 and the first fall frost is October 4, giving you a growing season of approximately 139 days.
At an elevation of 991 feet, McKean County receives approximately 39 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for New Zealand Spinach during the growing season.
McKean County Soil Profile
Soil Type
Silt Loam
Soil pH
5-6.7
Drainage
Well Drained
Plant Planting Risk Windows
Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.
Plant Water Budget
New Zealand Spinach Planting Timeline — McKean County, PA
New Zealand Spinach Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 23 | Mar 23 – Apr 6 |
| Transplant Outdoors | June 1 | Jun 1 – Jun 15 |
| Direct Sow | May 25 | May 25 – Jun 15 |
| Harvest | July 27 | Jul 27 – Aug 24 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Start Indoors |
| May | Direct Sow |
| June | Transplant Outdoors Direct Sow |
| July | Harvest |
| August | Harvest |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
55–70 days
Soil pH
6 – 7.5
USDA Zone
Zone 5a
Growing Season
139 days
Growing Tips for McKean County
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
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Frequently Asked Questions
When should I plant New Zealand Spinach in McKean County, PA?
McKean County is in Zone 5a with an average last frost of May 18. Plan your New Zealand Spinach planting based on this frost date — see the calendar above for exact timing.
What planting zone is McKean County, PA?
McKean County, Pennsylvania is in USDA Hardiness Zone 5a. The average last spring frost is May 18 and first fall frost is October 4.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help McKean County gardeners in Zone 5a organize planting dates, track what's growing, and never miss a planting window.
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