One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant eggplants in Tualatin can be determined by checking out the USDA zone info.

Planting Calendar for Eggplants

Frost tolerance for eggplants:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's not a good idea to plant eggplants until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant eggplants in Tualatin is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant eggplants and expect a good harvest is probably August. You probably don't want to wait any later than that or else your eggplants may not have a chance to really do well. Starting your eggplants indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Tualatin the average date of last frost happens on March 15. In the coldest months of winter you can expect an average low temperature of 15°F.

Since the USDA zone info for Tualatin is not always accurate the actual date of last frost changes from year to year. Half of the time in Tualatin you get a frost after March 15 so make sure that you are ready to protect your eggplants in the event of a surprise late frost.

USDA Zone Info for Tualatin

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 Tualatin

You may be interested in your other planting guides for Tualatin.