The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of estimating when it's the best time to plant snow-in summer is to examine the USDA zone info for Bristol.

Planting Calendar for Snow-in Summer

Frost tolerance for snow-in summer:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Snow-in Summer can survive in a little bit of cold which means that you can plant them a little bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant snow-in summer in Bristol is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant snow-in summer and expect a good harvest is probably September. If you wait any later than that and your snow-in summer may not have a chance to grow to maturity. Starting your snow-in summer indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Bristol. You should expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Bristol is just an average the actual date of last frost will vary from year to year. Since half of the time in Bristol you get surprised by a frost after April 15 be ready to cover your snow-in summer in the event of a surprise late frost.

USDA Zone Info for Bristol

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 Bristol

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