One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Bridgeport you can figure out when you can plant sunflowers by looking at the USDA zone info.

Planting Calendar for Sunflowers

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

Since sunflowers are not cold tolerant you have to wait until after the last frost has passed before you can plant them.

The earliest that you can plant sunflowers in Bridgeport 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 fully mature. Starting your sunflowers indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Bridgeport. In the coldest months of winter you should expect an average low temperature of -10°F.

It's important to remember that USDA zone info for Bridgeport may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Bridgeport you get surprised by a frost after April 15 so just be sure to be ready to protect your sunflowers if you have one of those late frosts.

USDA Zone Info for Bridgeport

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 Bridgeport

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