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.

By looking at the USDA zone info for Vail it's possible to determine when you can plant clover.

Planting Calendar for Clover

Frost tolerance for clover:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Clover do ok in moderate cold which means that you can start planting them slightly earlier than other plants that might not handle the cold.

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

The last month that you can plant clover and expect a good harvest is probably August. Any later than that and your clover may not have a chance to fully mature. You can get started a little bit earlier by starting your clover indoors.

Last Frost Date

In Vail the average date of last frost happens on May 15. In the coldest months of winter you should expect an average low temperature of -25°F.

Since the USDA zone info for Vail is not always accurate the actual date of last frost changes from year to year. Since half of the time in Vail last frost occurs after May 15 be ready to protect your clover if you have a surprise 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.