When to plant Bee Balm in Cascade County, MT
Plant Bee Balm in Cascade County, between May 26 and June 9 — the only viable window. Zone 4b's short season (125 frost-free days) rules out a fall crop.
When to Plant Bee Balm in Cascade County, MT
Bee balm is a native perennial herb with shaggy, scarlet flower heads that attract hummingbirds, bees, and butterflies. Its leaves make an aromatic tea reminiscent of Earl Grey.
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 Bee Balm to ensure they mature before fall.
Cascade County Soil Profile
Soil Type
Loam
Soil pH
6.8-8.2
Drainage
Well Drained
Monthly Watering Guide for Bee Balm
Bee Balm needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.
| Month | Bee Balm Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 1.8" | 0" | ❄️ Dormant |
| Feb | — | 1.3" | 0" | ❄️ Dormant |
| Mar | — | 1.9" | 0" | ❄️ Dormant |
| Apr | — | 2" | 0" | ❄️ Dormant |
| May | 4.3" | 2.3" | 2" | 💧 Light watering |
| Jun | 4.3" | 1.5" | 2.8" | 🚿 Regular watering |
| Jul | 4.3" | 2.1" | 2.2" | 🚿 Regular watering |
| Aug | 4.3" | 2" | 2.3" | 🚿 Regular watering |
| Sep | 4.3" | 1.8" | 2.5" | 🚿 Regular watering |
| Oct | — | 2.1" | 0" | ❄️ Dormant |
| Nov | — | 1.6" | 0" | ❄️ Dormant |
| Dec | — | 1.4" | 0" | ❄️ Dormant |
Water needs are for active growing months only (May–Sep in Cascade County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Bee Balm Planting Timeline — Cascade County, MT
Bee Balm Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 26 | May 26 – Jun 9 |
| Harvest | August 25 | Aug 25 – Oct 20 |
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 | — |
| August | Harvest |
| September | Harvest |
| October | Harvest |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
90–120 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 4b
📆 Growing Season
125 days in Cascade County
Growing Tips for Cascade County
Start from seed, divisions, or transplants. Provide good air circulation to prevent powdery mildew. Deadhead spent flowers for reblooming. Divide clumps every 3 years.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Bee Balm in Other Locations
Frequently Asked Questions
When should I plant Bee Balm in Cascade County, MT?
Cascade County is in Zone 4b with an average last frost of May 19. Plan your Bee Balm 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 Bee Balm in Cascade County, MT?
In Cascade County, MT, plant Bee Balm 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 Bee Balm?
Cascade County sits in USDA Zone 4b. Bee Balm grows reliably in zones 3a through 9b, so it's a good fit here.
Can Bee Balm grow in Cascade County's climate?
Yes — Bee Balm 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.