Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can estimate when to plant basil in Janesville by using 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.

You can not plant basil until after all chance of frost has passed because they require warm weather.

The earliest that you can plant basil in Janesville 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 really do well. You can get started a couple of weeks earlier by starting your basil indoors.

Last Frost Date

In Janesville the average date of last frost happens on April 15. You can expect an average low temperature of -20°F in the coldest months of winter.

Remember that USDA zone info for Janesville may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Janesville last frost occurs after April 15 be ready to cover your basil if you have a surprise late frost.

USDA Zone Info for Janesville

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Janesville

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