One of the best tools that you have as gardeners to help us figure out 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.

In Carrizo Springs you can figure out when it's possible to plant sweet peas by referring to the USDA zone info.

Planting Calendar for Sweet Peas

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

Sweet Peas do ok in mild cold which means that you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant sweet peas in Carrizo Springs 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 sweet peas and expect a good harvest is probably September. If you wait any later than that and your sweet peas may not have a chance to fully mature. You can get started a few weeks earlier by starting your sweet peas indoors.

Last Frost Date

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

Since the USDA zone info for Carrizo Springs may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Carrizo Springs you get a frost after February 15 be ready to cover your sweet peas if you have one of those late frosts.

USDA Zone Info for Carrizo Springs

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 Carrizo Springs

You may be interested in your other planting guides for Carrizo Springs.