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.

By reviewing the USDA zone info for Naugatuck it's a good idea to estimate when it's the best time to plant sunflowers.

Planting Calendar for Sunflowers

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

You can not plant sunflowers until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant sunflowers in Naugatuck 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 sunflowers and expect a good harvest is probably August. You probably don't want to wait any later than that or else your sunflowers may not have a chance to really do well. You can get started a little bit earlier by starting your sunflowers indoors.

Last Frost Date

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

Since the USDA zone info for Naugatuck is not always accurate the actual date of last frost will vary from year to year. Half of the time in Naugatuck last frost occurs after April 15 so just be sure to be ready to protect your sunflowers in the event of a surprise late frost.

USDA Zone Info for Naugatuck

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 Naugatuck

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