The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Port Royal should be read to figure out when you can plant chinese chives.

Planting Calendar for Chinese chives

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

Since chinese chives are moderately cold tolerant you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant chinese chives in Port Royal 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 chinese chives and expect a good harvest is probably September. Any later than that and your chinese chives may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your chinese chives indoors.

Last Frost Date

On average the last frost is on March 15 in Port Royal. You should expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Port Royal is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Port Royal you get a frost after March 15 so always be ready to cover your chinese chives in the event of a late frost.

USDA Zone Info for Port Royal

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 Port Royal

You may be interested in your other planting guides for Port Royal.