One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Hilton Head Island you can determine when you can plant maltese cross by reviewing the USDA zone info.

Planting Calendar for Maltese Cross

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

You can plant maltese cross a little bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant maltese cross 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 maltese cross and expect a good harvest is probably September. If you wait any later than that and your maltese cross may not have a chance to fully mature. If you are starting your maltese cross indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Hilton Head Island the average date of last frost happens on March 15. You should expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Hilton Head Island is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Hilton Head Island last frost occurs after March 15 be ready to cover your maltese cross 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.