When to plant Catnip in Cascade County, MT
In Cascade County, Catnip is a spring-only crop. Plant May 26–June 9 once soil hits 50°F.
When to Plant Catnip in Cascade County, MT
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.
Cascade County, Montana is in USDA Zone 4b. The average last spring frost is May 19 and the first fall frost is September 21, giving you a growing season of approximately 125 days.
At an elevation of 6,585 feet, Cascade County receives approximately 21.8 inches of rainfall annually with predominantly loam soil. Summer highs average 83°F, so choose short-season varieties of Catnip to ensure they mature before fall.
Cascade County Soil Profile
Soil Type
Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Catnip Planting Timeline — Cascade County, MT
Catnip Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 26 | May 26 – Jun 9 |
| Harvest | July 28 | Jul 28 – Sep 29 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | Transplant Outdoors |
| June | Transplant Outdoors |
| 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
Needs 6–7.5 · Your soil: N/A
🗺️ USDA Zone
Zone 4b
📆 Growing Season
125 days in Cascade County
Growing Tips for Cascade 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
Check more plant combinations with our Companion Planting Checker →
Catnip in Other Locations
Frequently Asked Questions
When should I plant Catnip in Cascade County, MT?
Cascade County is in Zone 4b with an average last frost of May 19. Plan your Catnip planting based on this frost date — see the calendar above for exact timing.
What planting zone is Cascade County, MT?
Cascade County, Montana is in USDA Hardiness Zone 4b. The average last spring frost is May 19 and first fall frost is September 21.
When should I plant Catnip in Cascade County, MT?
In Cascade County, MT, plant Catnip after the last frost (around May 19) and before the first frost (around September 21). Best results when soil holds above 50°F.
What growing zone is Cascade County, MT for Catnip?
Cascade County sits in USDA Zone 4b. Catnip grows reliably in zones 3a through 9b, so it's a good fit here.
Can Catnip grow in Cascade County's climate?
Yes — Catnip grows well in Cascade County's temperate climate. Cascade County averages a 125-day frost-free season, with last frost around May 19 and first frost around September 21.
Your Cascade County Garden Planner — Free
A 22-page printable planner built for Cascade County (Zone 4b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.