One of the best tools that you have as gardeners to help us figure out 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.

By checking out the USDA zone info for Hilton Head Island it's possible to figure out when it's the best time to plant garden orache.

Planting Calendar for Garden Orache

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

Garden Orache do well in moderate cold which tells us that you can plant them a little bit earlier than more sensitive plants.

The earliest that you can plant garden orache 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 garden orache and expect a good harvest is probably September. Any later than that and your garden orache may not have a chance to really do well. If you are starting your garden orache indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Hilton Head Island. In the coldest months of winter you can expect an average low temperature of 15°F.

Keep in mind that USDA zone info for Hilton Head Island is an average and the actual date of last frost will vary from year to year. Since half of the time in Hilton Head Island last frost occurs after March 15 be ready to protect your garden orache if you have a late frost.

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.