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.

One way of determining when it's possible to plant chinese chives is to refer to the USDA zone info for Estes Park.

Planting Calendar for Chinese chives

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

You can plant chinese chives a little bit earlier in the year because they do well in moderate cold.

The earliest that you can plant chinese chives in Estes Park 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. You can get started a couple of weeks earlier by starting your chinese chives indoors.

Last Frost Date

In Estes Park the average date of last frost happens on April 15. You can expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Estes Park is an average the actual date of last frost changes from year to year. Half of the time in Estes Park it frosts late in the year after April 15 so just be sure to be ready to protect your chinese chives if you have one of those late frosts.

USDA Zone Info for Estes Park

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Estes Park

You may be interested in your other planting guides for Estes Park.