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

In Barnwell you can figure out when to plant strawflowers by looking at the USDA zone info.

Planting Calendar for Strawflowers

Frost tolerance for strawflowers:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Strawflowers can survive in a tiny bit of cold which tells us that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant strawflowers in Barnwell is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant strawflowers and expect a good harvest is probably August. If you wait any later than that and your strawflowers may not have a chance to fully mature. Starting your strawflowers indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Barnwell. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Barnwell may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Barnwell it frosts late in the year after March 15 be ready to protect your strawflowers in the event of one of those late frosts.

USDA Zone Info for Barnwell

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Barnwell

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