When to Plant Catnip in Thomas County, NE
Catnip is a hardy perennial herb in the mint family known for its effect on cats. It also makes a calming tea and is a useful companion plant that repels some pests.
Thomas County, Nebraska is in USDA Zone 4b. The average last spring frost is May 10 and the first fall frost is October 5, giving you a growing season of approximately 148 days.
At an elevation of 1,062 feet, Thomas County receives approximately 31.2 inches of rainfall annually with predominantly loam soil. Summer highs average 84°F, so choose short-season varieties of Catnip to ensure they mature before fall.
Thomas County Soil Profile
Soil Type
Loam
Soil pH
6.2-7.4
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
Water stress score is 6/10 — consider drought-tolerant varieties and mulching
Catnip Planting Timeline — Thomas County, NE
Catnip Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 17 | May 17 – May 31 |
| Harvest | July 19 | Jul 19 – Sep 20 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | Transplant Outdoors |
| June | — |
| July | Harvest |
| August | Harvest |
| September | Harvest |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Low — drought tolerant
Days to Maturity
60–80 days
Soil pH
6 – 7.5
USDA Zone
Zone 4b
Growing Season
148 days
Growing Tips for Thomas County
Direct sow or start indoors. Catnip is very easy to grow and can become invasive. Harvest leaves before flowering for tea. Protect young plants from cats.
Companion Planting
Good Companions
Level Up Your Garden
Catnip in Other Locations
Frequently Asked Questions
When should I plant Catnip in Thomas County, NE?
Thomas County is in Zone 4b with an average last frost of May 10. Plan your Catnip planting based on this frost date — see the calendar above for exact timing.
What planting zone is Thomas County, NE?
Thomas County, Nebraska is in USDA Hardiness Zone 4b. The average last spring frost is May 10 and first fall frost is October 5.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Thomas County gardeners in Zone 4b organize planting dates, track what's growing, and never miss a planting window.
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