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

You will be able to figure out when it's the best time to plant parsley by referring to the USDA zone info for Vail.

Planting Calendar for Parsley

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

Parsley do well in moderate cold which tells us that you can plant them a little bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant parsley in Vail is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant parsley and expect a good harvest is probably August. You probably don't want to wait any later than that or else your parsley may not have a chance to really do well. You can get started a couple of weeks earlier by starting your parsley indoors.

Last Frost Date

The average date of last frost is May 15 in Vail. It might get as low as -25°F during the coldest months of winter.

Keep in mind that USDA zone info for Vail is an average and the actual date of last frost is different every year. Since half of the time in Vail it frosts late in the year after May 15 be ready to protect your parsley in the event of a late frost.

USDA Zone Info for Vail

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Vail

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