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

The earliest that you can plant sunflowers in Bernardsville can be determined by reviewing the USDA zone info.

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 because they do not do well in cold weather.

The earliest that you can plant sunflowers in Bernardsville 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. Any later than that and your sunflowers may not have a chance to really do well. You can get started a couple of weeks earlier by starting your sunflowers indoors.

Last Frost Date

On average the last frost is on April 15 in Bernardsville. It might get as low as -5°F during the coldest months of winter.

Remember that USDA zone info for Bernardsville is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Bernardsville last frost occurs after April 15 be ready to protect your sunflowers if you have a surprise late frost.

USDA Zone Info for Bernardsville

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 Bernardsville

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