One of the first steps you take when you are estimating 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 opportunity to plant eggplants in Lewiston should be estimated by checking out the USDA zone info.

Planting Calendar for Eggplants

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

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

The earliest that you can plant eggplants in Lewiston 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. If you wait any later than that and your eggplants may not have a chance to really do well. You can get started a little bit earlier by starting your eggplants indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Lewiston. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Lewiston may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Lewiston it frosts late in the year after April 15 be ready to protect your eggplants if you have a surprise late frost.

USDA Zone Info for Lewiston

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°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 -10°F.

Plants to Grow in Lewiston

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