When to Plant Asparagus in Oregon
In a typical Oregon location, plant outdoors Mar 6 – Mar 20. Across the state, the outdoor planting window starts as early as Jan 14 in Beaverton and as late as May 12 in Altamont.
Perennial; plant crowns 2-4 weeks before last frost as soon as soil can be worked. Takes 2-3 years to full production.
Asparagus Planting Dates by City
| City | Plant outdoors |
|---|---|
| Portland | Jan 28 – Feb 11 |
| Eugene | Mar 14 – Mar 28 |
| Salem | Mar 6 – Mar 20 |
| Gresham | Feb 16 – Mar 2 |
| Hillsboro | Mar 19 – Apr 2 |
| Beaverton | Jan 14 – Jan 28 |
| Bend | May 9 – May 23 |
| Medford | Mar 11 – Mar 25 |
| Springfield | Mar 14 – Mar 28 |
| Corvallis | Mar 20 – Apr 3 |
| Albany | Mar 20 – Apr 3 |
| Tigard | Mar 4 – Mar 18 |
| Aloha | Jan 14 – Jan 28 |
| Lake Oswego | Feb 18 – Mar 4 |
| Keizer | Mar 6 – Mar 20 |
| Grants Pass | Mar 11 – Mar 25 |
| Oregon City | Feb 18 – Mar 4 |
| McMinnville | Mar 8 – Mar 22 |
| Redmond | May 12 – May 26 |
| Tualatin | Mar 4 – Mar 18 |
| West Linn | Feb 18 – Mar 4 |
| Woodburn | Feb 16 – Mar 2 |
| Forest Grove | Mar 19 – Apr 2 |
| Newberg | Feb 21 – Mar 7 |
| Wilsonville | Feb 18 – Mar 4 |
| Roseburg | Feb 23 – Mar 9 |
| Klamath Falls | May 12 – May 26 |
| Ashland | Apr 8 – Apr 22 |
| Milwaukie | Jan 28 – Feb 11 |
| Bethany | Mar 19 – Apr 2 |
Showing the 30 most populous of 68 Oregon cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Oregon cities.
Frequently Asked Questions
When should I plant asparagus in Oregon?
In a typical Oregon location, plant outdoors Mar 6 – Mar 20. Across the state, the outdoor planting window starts as early as Jan 14 in Beaverton and as late as May 12 in Altamont.
When is the last frost in Oregon?
The average last spring frost in Oregon ranges from February 11 in Beaverton to June 9 in Altamont, based on NOAA 1991–2020 climate normals.
How long do asparagus take to grow?
Asparagus typically take 730–1095 days from planting to harvest. Perennial; plant crowns 2-4 weeks before last frost as soon as soil can be worked. Takes 2-3 years to full production.
Other Crops in Oregon
- Tomatoes
- Peppers
- Eggplant
- Cucumbers
- Zucchini
- Winter Squash
- Pumpkins
- Watermelon
- Cantaloupe
- Corn
- Green Beans
- Peas
- Lettuce
- Spinach
- Kale
- Arugula
- Swiss Chard
- Broccoli
- Cauliflower
- Cabbage
- Brussels Sprouts
- Carrots
- Beets
- Radishes
- Turnips
- Onions
- Garlic
- Potatoes
- Sweet Potatoes
- Basil
- Cilantro
- Parsley
- Dill
- Oregano
- Thyme
- Sunflowers
- Zinnias
- Marigolds
- Cosmos
- Nasturtiums
- Dahlias
When to plant asparagus in other states