When to Plant Violas in Chester, PA

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By reviewing the USDA zone info for Chester you will be able to estimate when it's the best time to plant violas.


Planting Calendar for Violas

Frost tolerance for violas: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

Since violas do well in cold you can plant them quite a bit earlier in the year than plants that are more sensitive to the cold.

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

The earliest that you can plant violas in Chester is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant violas and expect a good harvest is probably September. Any later than that and your violas may not have a chance to really do well. You can get started a few weeks earlier by starting your violas indoors.

Last Frost Date

On average the last frost is on April 15 in Chester. You should expect an average low temperature of 5°F in the coldest months of winter.

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Chester and it changes from year to year. Since half of the time in Chester last frost occurs after April 15 be ready to cover your violas in the event of a surprise late frost.

USDA Zone Info for Chester

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low5°F
Highest Expected Low10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Chester

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