Bend, OR Frost Dates

Average frost dates, USDA hardiness zone, and growing season length for Bend, Oregon.

USDA Zone 6A
Last Spring Frost May 15
First Fall Frost September 20
Growing Season 128 days

Gardening in Bend

Central Oregon's outdoor recreation capital has a growing food garden scene that matches its adventurous spirit — high-altitude, high-desert growing with volcanic soil and mountain water.

At 3,600 feet on the east side of the Cascades, Bend's climate is nothing like Portland's. Your 128-day growing season is one of the shortest in Oregon. But the volcanic pumice soil is naturally well-drained, the sun is intense, and the cool nights develop incredible flavor.

Bend's brewery culture has spawned backyard hop-growing. The city's outdoor-athlete population brings the same intensity to raised beds as to mountain bikes. The NorthWest Crossing neighborhood has some of the most ambitious high-desert gardens in the state.

What This Means for Bend Gardeners

The average last spring frost in Bend is around May 15, and the average first fall frost arrives around September 20. That gives you approximately 128 frost-free days to work with.

128 frost-free days means every warm day counts. Focus on cold-hardy crops that thrive in your moderate temperatures: kale, lettuce, peas, radishes, potatoes, and root vegetables. For warm-season crops, choose only the shortest-season varieties (sub-65-day tomatoes, 55-day beans) and start everything indoors. Season extension — row covers, cold frames, plastic mulch — isn't a luxury here, it's essential infrastructure.

These dates are based on NOAA 30-year Climate Normal data for the Bend area. Your actual frost dates could shift 2-3 weeks in either direction in any given year. Learn more about our data sources.

What to Grow in Bend

With 128 frost-free days, Bend gardeners need to plan strategically — start warm-season crops indoors and choose short-season varieties. Cool-season crops are your strength, thriving in the moderate temperatures that define your growing window. Recommended starting points: kale, lettuce, peas, carrots, potatoes, radishes, garlic, and short-season tomatoes.

See the full Oregon planting guide for all 40 plants: Oregon Planting Calendar. Or enter your zip code for exact planting dates personalized to Bend.

More About Zone 6A

Bend is in USDA Hardiness Zone 6A, which means average annual extreme minimum temperatures between -10°F to -5°F. View the full Zone 6A planting guide.

See the complete planting calendar for Oregon: Oregon Planting Calendar.

Other Cities in Oregon

Frequently Asked Questions

These dates are based on NOAA's 30-year Climate Normal data for the Bend area. They represent historical averages, not predictions. In any given year, the actual last frost could be 2-3 weeks earlier or later. Microclimates within Bend (urban heat islands, hilltops, low-lying valleys) can also shift your local frost dates by a week or more.

Start everything possible indoors — your 128-day season doesn't leave room for a slow start. Direct sow only the fastest, hardiest crops (radishes, lettuce, peas) 3-4 weeks before last frost (May 15). Choose short-season varieties for warm crops. Enter your zip code for exact dates.

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