One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

The first opportunity to plant field peas in San Marcos should 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.

You can plant field peas a little bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant field peas in San Marcos 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 field peas and expect a good harvest is probably September. Any later than that and your field peas may not have a chance to grow to maturity. If you are starting your field peas indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is March 15 in San Marcos. It might get as low as 15°F during the coldest months of winter.

It's important to remember that USDA zone info for San Marcos may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in San Marcos it frosts late in the year after March 15 so be sure to be ready to cover your field peas if you have a late frost.

USDA Zone Info for San Marcos

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in San Marcos

You may be interested in your other planting guides for San Marcos.