One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant basil in Keene should be figured out 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 when the weather gets warmer.

It's probably not a good idea to plant basil until after the last frost because they require warm weather.

The earliest that you can plant basil in Keene 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

The average date of last frost is April 15 in Keene. In the coldest months of winter you should expect an average low temperature of -15°F.

It's important to remember that USDA zone info for Keene may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Keene it frosts late in the year after April 15 be ready to protect your basil in the event of one of those late frosts.

USDA Zone Info for Keene

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 Keene

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