When to Plant Eggplants in Newton, IA

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of getting a good idea when it's possible to plant eggplants is to consult the USDA zone info for Newton.

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Planting Calendar for Eggplants

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

Eggplants are not cold tolerant which tells us that it's necessary to wait until it warms up after all chance of frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant eggplants
Possibly ok, but a risky time to plant eggplants
Probably not a good time to plant eggplants

The earliest that you can plant eggplants in Newton 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 grow to maturity. Starting your eggplants indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Newton. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Newton is an average the actual date of last frost changes from year to year. Half of the time in Newton last frost occurs after April 15 so be sure to be ready to protect your eggplants if you have a late frost.

USDA Zone Info for Newton

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 Newton

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