When to Plant Mint in Deschutes County, OR
Mint is a vigorous perennial herb with refreshing, aromatic leaves used in teas, cocktails, and cooking. It spreads aggressively by underground runners.
Deschutes County, Oregon is in USDA Zone 6a. The average last spring frost is June 15 and the first fall frost is September 13, giving you a growing season of approximately 90 days.
At an elevation of 221 feet, Deschutes County receives approximately 54.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 81°F, so choose short-season varieties of Mint to ensure they mature before fall. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Mint root diseases.
Deschutes County Soil Profile
Soil Type
Silt Loam
Soil pH
5.4-6.2
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.
Soil Compatibility in Deschutes County
How your county's soil matches Mint's growing requirements.
Soil pH
Your soil pH (5.4–6.2) is more acidic than Mint prefers (6.0–7.0). Add garden lime to raise pH.
Soil Texture
The silt loam soil in Deschutes County is excellent for Mint — good drainage, moisture retention, and nutrient holding capacity.
Organic Matter
Organic matter is excellent (5.0%) — Mint will thrive.
How to Plant Mint
Plant Water Budget
Mint Planting Timeline — Deschutes County, OR
Mint Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | June 22 | Jun 22 – Jul 6 |
| Harvest | August 24 | Aug 24 – Nov 2 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | — |
| June | Transplant Outdoors |
| July | Transplant Outdoors |
| August | Harvest |
| September | Harvest |
| October | Harvest |
| November | Harvest |
| December | — |
Growing Conditions
☀️ Sun
Partial Shade (3-6 hours)
💧 Water
0.7"/week · Natural rainfall sufficient
📅 Days to Maturity
60–90 days
🧪 Soil pH
Needs 6–7 · Your soil: too_acidic
🗺️ USDA Zone
Zone 6a
📆 Growing Season
90 days in Deschutes County
Growing Tips for Mint in Deschutes County
Direct sow Mint outdoors after June 15 in Deschutes County when soil has warmed and frost danger has passed.
Your 90.0-day growing season in Deschutes County is tight for Mint (60.0-90.0 days to maturity). Start indoors and choose early-maturing varieties.
General growing tips
Always grow mint in containers or with underground barriers to control spreading. Harvest regularly to keep plants compact. Cut plants back in late summer for a fresh fall flush.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Mint in Other Locations
Frequently Asked Questions
When should I plant Mint in Deschutes County, OR?
Deschutes County is in Zone 6a with an average last frost of June 15. Plan your Mint planting based on this frost date — see the calendar above for exact timing.
What planting zone is Deschutes County, OR?
Deschutes County, Oregon is in USDA Hardiness Zone 6a. The average last spring frost is June 15 and first fall frost is September 13.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Deschutes County gardeners in Zone 6a organize planting dates, track what's growing, and never miss a planting window.
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