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.

It's possible to figure out when it's the best time to plant chrysanthemum by looking at the USDA zone info for Bristol.

Planting Calendar for Chrysanthemum

Frost tolerance for chrysanthemum:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

You really shouldn't plant chrysanthemum until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant chrysanthemum 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 chrysanthemum and expect a good harvest is probably August. Any later than that and your chrysanthemum may not have a chance to fully mature. If you are starting your chrysanthemum indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Bristol. It might get as low as -10°F during the coldest months of winter.

Keep in mind that USDA zone info for Bristol is an average and the actual date of last frost changes from year to year. Half of the time in Bristol you get a frost after April 15 so be sure to be ready to cover your chrysanthemum if you have a surprise late frost.

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.