When to Plant Basil in Bristol, CT

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

The USDA zone info for Bristol can be used to estimate when to plant basil.


Planting Calendar for Basil

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

Since basil are not cold tolerant it's important to wait until after the last frost when the weather gets warmer before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant basil
Possibly ok, but a risky time to plant basil
Probably not a good time to plant basil

The earliest that you can plant basil in Bristol 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 fully mature. You can get started a couple of weeks earlier by starting your basil indoors.

Last Frost Date

In Bristol the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -10°F.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Bristol and it changes from year to year. Since half of the time in Bristol you get a frost after April 15 be ready to protect your basil in the event of one of those late frosts.

USDA Zone Info for Bristol

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 Bristol

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