When to Plant Eggplants in Mill Creek, WA

One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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 best time to plant eggplants in Mill Creek should be determined by referring to 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.

Eggplants are not cold tolerant which means that it's necessary to wait until it warms up after the last frost before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
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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 Mill Creek 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 fully mature. If you are starting your eggplants indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Mill Creek. You should expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Mill Creek is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Mill Creek it frosts late in the year after March 15 be ready to cover your eggplants in the event of a surprise late frost.

USDA Zone Info for Mill Creek

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 Low15°F
Highest Expected Low20°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 Mill Creek

You may be interested in your other planting guides for Mill Creek.