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.

A common way of determining when it's a good idea to plant chicory is to check out the USDA zone info for Denver.

Planting Calendar for Chicory

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

Since chicory do well in moderate cold you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant chicory in Denver 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 chicory and expect a good harvest is probably September. If you wait any later than that and your chicory may not have a chance to grow to maturity. Starting your chicory indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Denver. It might get as low as -15°F during the coldest months of winter.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Denver and it changes from year to year. Since half of the time in Denver last frost occurs after April 15 be ready to cover your chicory if you have one of those late frosts.

USDA Zone Info for Denver

Here is the info for USDA Zone 5b.

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

Plants to Grow in Denver

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