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

In Westerville you can figure out when you can plant basil by looking at the USDA zone info.

Planting Calendar for Basil

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

It's a bad idea to plant basil until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant basil in Westerville 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 basil and expect a good harvest is probably August. If you wait any later than that and your basil may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your basil indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Westerville. It might get as low as -10°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Westerville may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Westerville last frost occurs after April 15 so make sure that you are ready to protect your basil in the event of one of those late frosts.

USDA Zone Info for Westerville

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

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

Plants to Grow in Westerville

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