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

You can figure out when it's the best time to plant red hot pokers in Groton by looking at the USDA zone info.

Planting Calendar for Red Hot Pokers

Frost tolerance for red hot pokers:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Red Hot Pokers can survive in pretty solid cold which tells us that you can plant them quite a bit earlier in the year than other frost tender plants.

The earliest that you can plant red hot pokers in Groton 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 red hot pokers and expect a good harvest is probably September. Any later than that and your red hot pokers may not have a chance to really do well. If you are starting your red hot pokers indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Groton. In the coldest months of winter you should expect an average low temperature of -5°F.

Always keep in mind that USDA zone info for Groton 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 Groton you get surprised by a frost after April 15 be ready to protect your red hot pokers in the event of a late frost.

USDA Zone Info for Groton

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Groton

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