Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of determining when it's possible to plant clover is to look at the USDA zone info for Barstow.

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 tells us that you can get them planted just a bit earlier than other plants that might not handle the cold.

The earliest that you can plant clover in Barstow 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 clover and expect a good harvest is probably September. Any later than that and your clover may not have a chance to really do well. You can get started a couple of weeks earlier by starting your clover indoors.

Last Frost Date

The average date of last frost is February 15 in Barstow. You should expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Barstow is not always accurate the actual date of last frost is different every year. Half of the time in Barstow you get a frost after February 15 so be sure to be ready to protect your clover in the event of one of those late frosts.

USDA Zone Info for Barstow

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°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 25°F.

Plants to Grow in Barstow

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