Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of figuring out when you can plant sunflowers is to examine the USDA zone info for Runnemede.

Planting Calendar for Sunflowers

Frost tolerance for sunflowers:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You should not plant sunflowers until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant sunflowers in Runnemede 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 grow to maturity. You can get started a little bit earlier by starting your sunflowers indoors.

Last Frost Date

The average date of last frost is April 15 in Runnemede. In the coldest months of winter you should expect an average low temperature of 0°F.

Since the USDA zone info for Runnemede is not always accurate the actual date of last frost will vary from year to year. Half of the time in Runnemede it frosts late in the year 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 Runnemede

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Runnemede

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