The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By using the USDA zone info for Oregon City it's a good idea to estimate when to plant asparagus peas.

Planting Calendar for Asparagus peas

Frost tolerance for asparagus peas:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since asparagus peas do well in moderate cold you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant asparagus peas in Oregon City is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant asparagus peas and expect a good harvest is probably September. Any later than that and your asparagus peas may not have a chance to fully mature. If you are starting your asparagus peas indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Oregon City the average date of last frost happens on March 15. You should expect an average low temperature of 15°F in the coldest months of winter.

It's important to remember that USDA zone info for Oregon City is an average and the actual date of last frost will vary from year to year. Since half of the time in Oregon City there is a last frost after March 15 be ready to protect your asparagus peas if you have one of those late frosts.

USDA Zone Info for Oregon City

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Oregon City

You may be interested in your other planting guides for Oregon City.