One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can estimate when it's a good idea to plant gaillardia in Hilton Head Island by checking out the USDA zone info.

Planting Calendar for Gaillardia

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

You can plant gaillardia just a tiny bit earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

The earliest that you can plant gaillardia in Hilton Head Island 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 gaillardia and expect a good harvest is probably August. Any later than that and your gaillardia may not have a chance to really do well. Starting your gaillardia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on March 15 in Hilton Head Island. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Hilton Head Island is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Hilton Head Island you get surprised by a frost after March 15 so be sure to be ready to cover your gaillardia if you have one of those late frosts.

USDA Zone Info for Hilton Head Island

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Hilton Head Island

You may be interested in your other planting guides for Hilton Head Island.