One of the first steps you take when you are getting a good idea 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.

You can figure out when you can plant flax in Hilton Head Island by referring to the USDA zone info.

Planting Calendar for Flax

Frost tolerance for flax:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Flax tend to make it in mild cold which tells us that you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant flax in Hilton Head Island is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant flax and expect a good harvest is probably September. Any later than that and your flax may not have a chance to really do well. You can get started a few weeks earlier by starting your flax indoors.

Last Frost Date

On average the last frost when the weather gets warmer 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 may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Hilton Head Island you get surprised by a frost after March 15 so make sure that you are prepared to protect your flax 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.