When to plant Salsify in Jefferson County, MT
Spring Salsify in Jefferson County goes in June 1–June 22, once nighttime temps stop dipping near freezing. A second sowing from June 29 to July 13 extends the harvest into fall.
When to Plant Salsify in Jefferson County, MT
Salsify is a root vegetable with a subtle oyster-like flavor, earning it the nickname "oyster plant." It produces long, slender, cream-colored roots.
Jefferson County, Montana is in USDA Zone 5a. The average last spring frost is June 15 and the first fall frost is September 7, giving you a growing season of approximately 84 days.
At an elevation of 7,214 feet, Jefferson County receives approximately 21.5 inches of rainfall annually with predominantly loam soil. Summer highs average 82°F, so choose short-season varieties of Salsify to ensure they mature before fall.
Jefferson County Soil Profile
Soil Type
Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Salsify Planting Timeline — Jefferson County, MT
Salsify Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | June 1 | Jun 1 – Jun 22 |
| Harvest | September 14 | Sep 14 – Oct 26 |
| Fall Sowing | June 29 | Jun 29 – Jul 13 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | — |
| June | Direct Sow Fall Sowing |
| July | Fall Sowing |
| August | — |
| September | Harvest |
| October | Harvest |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
100–130 days
🧪 Soil pH
Needs 6–7.5 · Your soil: N/A
🗺️ USDA Zone
Zone 5a
📆 Growing Season
84 days in Jefferson County
Growing Tips for Jefferson County
Direct sow in spring in deeply worked, stone-free soil. Use fresh seed only as viability drops quickly. Harvest in late fall after frost for best flavor.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Salsify in Other Locations
Frequently Asked Questions
When should I plant Salsify in Jefferson County, MT?
Jefferson County is in Zone 5a with an average last frost of June 15. Plan your Salsify planting based on this frost date — see the calendar above for exact timing.
What planting zone is Jefferson County, MT?
Jefferson County, Montana is in USDA Hardiness Zone 5a. The average last spring frost is June 15 and first fall frost is September 7.
When should I plant Salsify in Jefferson County, MT?
In Jefferson County, MT, plant Salsify after the last frost (around June 15) and before the first frost (around September 7). Best results when soil holds above 50°F.
What growing zone is Jefferson County, MT for Salsify?
Jefferson County sits in USDA Zone 5a. Salsify grows reliably in zones 3a through 9b, so it's a good fit here.
Can Salsify grow in Jefferson County's climate?
Yes — Salsify grows well in Jefferson County's temperate climate. Jefferson County averages a 84-day frost-free season, with last frost around June 15 and first frost around September 7.
Your Jefferson County Garden Planner — Free
A 22-page printable planner built for Jefferson County (Zone 5a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.