When to Plant Mustard Greens in Cortland County, NY
Mustard greens are fast-growing brassicas with a spicy, peppery kick. They come in green, red, and purple varieties and are excellent cooked or in salads.
Cortland County, New York is in USDA Zone 5a. The average last spring frost is May 11 and the first fall frost is October 11, giving you a growing season of approximately 153 days.
At an elevation of 729 feet, Cortland County receives approximately 44.4 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Mustard Greens during the growing season.
Cortland County Soil Profile
Soil Type
Silt Loam
Soil pH
5-6.5
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
Mustard Greens Planting Timeline — Cortland County, NY
Mustard Greens Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | April 6 | Apr 6 – Apr 20 |
| Transplant Outdoors | May 11 | May 11 – May 25 |
| Direct Sow | April 27 | Apr 27 – May 18 |
| Fall Sowing | August 2 | Aug 2 – Aug 16 |
| Harvest | June 15 | Jun 15 – Aug 17 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Start Indoors Direct Sow |
| May | Transplant Outdoors Direct Sow |
| June | Harvest |
| July | Harvest |
| August | Fall Sowing Harvest |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Partial Shade (3-6 hours)
Water
Moderate — regular watering
Days to Maturity
30–50 days
Soil pH
6 – 7
USDA Zone
Zone 5a
Growing Season
153 days
Growing Tips for Cortland County
Direct sow in early spring or fall. Harvest young leaves for milder flavor. Plants bolt quickly in heat so grow as a cool-season crop or provide shade.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Mustard Greens in Other Locations
Frequently Asked Questions
When should I plant Mustard Greens in Cortland County, NY?
Cortland County is in Zone 5a with an average last frost of May 11. Plan your Mustard Greens planting based on this frost date — see the calendar above for exact timing.
What planting zone is Cortland County, NY?
Cortland County, New York is in USDA Hardiness Zone 5a. The average last spring frost is May 11 and first fall frost is October 11.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Cortland County gardeners in Zone 5a organize planting dates, track what's growing, and never miss a planting window.
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