What Grows in Hillsboro, OR?
Hillsboro in the Tualatin Valley is in Oregon's prime agricultural belt with excellent growing conditions.
Zone
Last frost
First frost
Frost-free days
Hillsboro is in USDA Zone 8b with about 220 frost-free days, and you can grow tomatoes, broccoli, beans, hazelnuts, and more here.
Planting tips for Hillsboro
Tualatin Valley richness. Excellent berry and hazelnut conditions. Cool-season crops excel.
What to plant, and when
Timing by your frost dates — last frost February 28, first frost November 20.
Tomato, Cherry Tomato, Bell Pepper, Chili Pepper, Cucumber, Zucchini, Eggplant, Pumpkin
Lettuce, Spinach, Kale, Broccoli, Carrot, Radish, Beets, Onion
Green Beans, Potato, Sweet Potato, Corn, Microgreens
Garlic
What grows well in Hillsboro
Tomato
Grows well
Cherry Tomato
Grows well
Bell Pepper
Grows well
Chili Pepper
Grows well
Cucumber
Grows well
Zucchini
Grows well
Green Beans
Grows well
Lettuce
Grows well
Spinach
Grows well
Kale
Grows well
Broccoli
Grows well
Carrot
Grows well
Radish
Grows well
Beets
Grows well
Onion
Grows well
Garlic
Grows well
Potato
Grows well
Sweet Potato
Grows well
Corn
Grows well
Peas
Grows well
Cabbage
Grows well
Brussels Sprouts
Grows well
Eggplant
Grows well
Swiss Chard
Grows well
Arugula
Grows well
Microgreens
Grows well
Pumpkin
Grows well
Leek
Grows well
Asparagus
Grows well
Basil
Grows wellFrequently asked questions
What hardiness zone is Hillsboro, OR in?
Hillsboro, OR is in USDA Hardiness Zone 8b. This drives everything about what you can reliably grow — it maps directly to how cold your winters get.
When is the last frost in Hillsboro?
The average last spring frost in Hillsboro is around February 28, and the first fall frost is typically November 20. Plan to move tender plants outside after February 28 and have them harvested (or protected) before November 20.
What grows well in Hillsboro?
Plenty — Hillsboro's USDA Zone 8b climate supports 30+ crops. Some of the easiest and most reliable here are Cherry Tomato, Chili Pepper, Cucumber.
How long is Hillsboro's growing season?
Hillsboro typically has around 220 frost-free days per year (roughly February 28 to November 20). That's a full season — plenty of time for most annual vegetables plus a succession or fall crop of cool-season greens.
What should I plant first in Hillsboro?
Go with fast-maturing crops to get a quick win while the season is short: Microgreens, Arugula, Radish are among the quickest from seed to harvest in Hillsboro.
Can I grow vegetables in containers in Hillsboro?
Yes — Hillsboro's climate is container-friendly for the right crops. Tomato, Cherry Tomato, Bell Pepper all do well in pots, which also lets you start them a little earlier and move them in on cold nights.
When should I start seeds indoors in Hillsboro?
For warm-season crops like Tomato, Cherry Tomato, Bell Pepper, start seeds indoors 6–8 weeks before your last frost (around February 28), then transplant after the danger of frost has passed.