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.

One way of determining when it's possible to plant basil is to use the USDA zone info for Leonia.

Planting Calendar for Basil

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

You really shouldn't plant basil until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant basil in Leonia 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. Any later than that and your basil may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your basil indoors.

Last Frost Date

The average date of last frost is April 15 in Leonia. In the coldest months of winter you can expect an average low temperature of 0°F.

Since the USDA zone info for Leonia is just an average the actual date of last frost is different every year. Half of the time in Leonia you get a frost after April 15 so make sure that you are ready to cover your basil in the event of a surprise late frost.

USDA Zone Info for Leonia

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 Low	0°F
Highest Expected Low	5°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 Leonia

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