One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By reviewing the USDA zone info for Covina you should be able to determine when you can plant snap beans.

Planting Calendar for Snap beans

Frost tolerance for snap beans:	Not tolerant of frost.
When to plant:	After the last frost.

It's a bad idea to plant snap beans until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant snap beans in Covina 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 snap beans and expect a good harvest is probably September. You probably don't want to wait any later than that or else your snap beans may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your snap beans indoors.

Last Frost Date

The average date of last frost is January 31 in Covina. In the coldest months of winter you can expect an average low temperature of 30°F.

Always keep in mind that USDA zone info for Covina is an average and the actual date of last frost is different every year. Since half of the time in Covina there is a last frost after January 31 be ready to cover your snap beans in the event of a surprise late frost.

USDA Zone Info for Covina

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Covina

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