When to plant Endive in Glacier County, MT
For Endive in Glacier County, the safe spring window opens around May 15 and closes around June 5. Last expected frost is May 22, first fall frost September 18, giving a 119-day growing season. A second sowing from June 26 to July 10 extends the harvest into fall.
When to Plant Endive in Glacier County, MT
Endive is a leafy green with a slightly bitter flavor, available in curly (frisee) and broad-leaved (escarole) types. It adds texture and complexity to salads.
Glacier County, Montana is in USDA Zone 4b. The average last spring frost is May 22 and the first fall frost is September 18, giving you a growing season of approximately 119 days.
At an elevation of 8,147 feet, Glacier County receives approximately 13.3 inches of rainfall annually with predominantly loam soil. Summer highs average 80°F, so choose short-season varieties of Endive to ensure they mature before fall. With low rainfall, drip irrigation is essential for growing Endive successfully. Mulch heavily to conserve soil moisture.
Glacier County Soil Profile
Soil Type
Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Endive Planting Timeline — Glacier County, MT
Endive Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | April 10 | Apr 10 – Apr 24 |
| Transplant Outdoors | May 22 | May 22 – Jun 5 |
| Direct Sow | May 15 | May 15 – Jun 5 |
| Harvest | July 10 | Jul 10 – Aug 14 |
| Fall Sowing | June 26 | Jun 26 – Jul 10 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Start Indoors |
| May | Transplant Outdoors Direct Sow |
| June | Transplant Outdoors Direct Sow Fall Sowing |
| July | Fall Sowing Harvest |
| August | Harvest |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Partial Shade (3-6 hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
45–65 days
🧪 Soil pH
Needs 5.5–7 · Your soil: N/A
🗺️ USDA Zone
Zone 4b
📆 Growing Season
119 days in Glacier County
Growing Tips for Glacier County
Sow seeds directly in spring or fall. Blanch heads by tying outer leaves together 2-3 weeks before harvest to reduce bitterness. Keep soil evenly moist.
Companion Planting
Good Companions
Avoid Planting Near
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Endive in Other Locations
Frequently Asked Questions
When should I plant Endive in Glacier County, MT?
Glacier County is in Zone 4b with an average last frost of May 22. Plan your Endive planting based on this frost date — see the calendar above for exact timing.
What planting zone is Glacier County, MT?
Glacier County, Montana is in USDA Hardiness Zone 4b. The average last spring frost is May 22 and first fall frost is September 18.
When should I plant Endive in Glacier County, MT?
In Glacier County, MT, plant Endive after the last frost (around May 22) and before the first frost (around September 18). Best results when soil holds above 50°F.
What growing zone is Glacier County, MT for Endive?
Glacier County sits in USDA Zone 4b. Endive grows reliably in zones 3a through 10b, so it's a good fit here.
Can Endive grow in Glacier County's climate?
Yes — Endive grows well in Glacier County's temperate climate. Glacier County averages a 119-day frost-free season, with last frost around May 22 and first frost around September 18.
Your Glacier County Garden Planner — Free
A 22-page printable planner built for Glacier 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.