One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to figure out when you can plant basil by reviewing the USDA zone info for Davenport.

Planting Calendar for Basil

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

It's a bad idea to plant basil until after the last frost because they are not cold tolerant.

The earliest that you can plant basil in Davenport 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 little bit earlier by starting your basil indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Davenport. In the coldest months of winter you should expect an average low temperature of -15°F.

Always keep in mind that USDA zone info for Davenport is just an average and the actual date of last frost changes from year to year. Half of the time in Davenport you get a frost after April 15 so make sure that you are prepared to protect your basil if you have a surprise late frost.

USDA Zone Info for Davenport

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Davenport

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