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.

A common way of estimating when you can plant chinese chives is to consult the USDA zone info for Manassas.

Planting Calendar for Chinese chives

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

Chinese chives can survive in moderate cold which means that you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant chinese chives in Manassas 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. You probably don't want to wait any later than that or else your chinese chives may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your chinese chives indoors.

Last Frost Date

The average date of last frost is April 15 in Manassas. In the coldest months of winter you can expect an average low temperature of 0°F.

Remember that USDA zone info for Manassas is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Manassas it frosts late in the year after April 15 so just be sure to be ready to cover your chinese chives if you have a surprise late frost.

USDA Zone Info for Manassas

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Manassas

You may be interested in your other planting guides for Manassas.