The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant field peas in Colusa can be estimated by looking at the USDA zone info.

Planting Calendar for Field Peas

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

Since field peas are moderately cold tolerant you can plant them a little earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant field peas in Colusa is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant field peas and expect a good harvest is probably October. Any later than that and your field peas may not have a chance to really do well. Starting your field peas indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Colusa. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Colusa may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Colusa there is a last frost after February 15 be ready to cover your field peas if you have one of those late frosts.

USDA Zone Info for Colusa

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°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 30°F.

Plants to Grow in Colusa

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