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.

The earliest that you can plant pincushion flower in Hilton Head Island can be estimated by referring to the USDA zone info.

Planting Calendar for Pincushion Flower

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

Since pincushion flower are moderately cold tolerant you can plant them just a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant pincushion flower 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 pincushion flower and expect a good harvest is probably September. You probably don't want to wait any later than that or else your pincushion flower may not have a chance to really do well. You can get started a few weeks earlier by starting your pincushion flower indoors.

Last Frost Date

The average date of last frost is 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 last frost occurs after March 15 so always be ready to protect your pincushion flower 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.