One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Fairfield you can determine when you can plant black eyed susans by referring to the USDA zone info.

Planting Calendar for Black Eyed Susans

Frost tolerance for black eyed susans:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since black eyed susans do not do well in cold weather you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant black eyed susans in Fairfield 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 black eyed susans and expect a good harvest is probably August. If you wait any later than that and your black eyed susans may not have a chance to grow to maturity. Starting your black eyed susans 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 Fairfield. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Fairfield is just an average the actual date of last frost is different every year. Since half of the time in Fairfield it frosts late in the year after April 15 be ready to cover your black eyed susans if you have a surprise late frost.

USDA Zone Info for Fairfield

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 Fairfield

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