The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of determining when you can plant cabbage is to consult the USDA zone info for Lake Oswego.

Planting Calendar for Cabbage

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

You can plant cabbage just a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant cabbage in Lake Oswego 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 cabbage and expect a good harvest is probably September. You probably don't want to wait any later than that or else your cabbage may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your cabbage indoors.

Last Frost Date

The average date of last frost is March 15 in Lake Oswego. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Lake Oswego may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Lake Oswego it frosts late in the year after March 15 so always be ready to protect your cabbage if you have a surprise late frost.

USDA Zone Info for Lake Oswego

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 Lake Oswego

You may be interested in your other planting guides for Lake Oswego.