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 first opportunity to plant chinese chives in New Castle can be estimated by reviewing the USDA zone info.

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 tend to make it in mild cold which tells us that you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant chinese chives in New Castle 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 really do well. Starting your chinese chives indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in New Castle. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for New Castle may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in New Castle you get a frost after April 15 so be sure to be ready to cover your chinese chives if you have a surprise late frost.

USDA Zone Info for New Castle

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in New Castle

You may be interested in your other planting guides for New Castle.