When to Plant Eggplants in Swarthmore, PA

One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Swarthmore you will be able to determine when it's the best time to plant eggplants.


Planting Calendar for Eggplants

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

Since eggplants do not do well in cold weather it's necessary to wait until after the last frost when the weather gets warmer 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 Swarthmore 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 grow to maturity. You can get started a few weeks earlier by starting your eggplants indoors.

Last Frost Date

In Swarthmore the average date of last frost happens on April 15. You can expect an average low temperature of 0°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Swarthmore is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Swarthmore it frosts late in the year after April 15 so just be sure to be ready to protect your eggplants in the event of a late frost.

USDA Zone Info for Swarthmore

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low0°F
Highest Expected Low5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Swarthmore

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