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.

You should be able to figure out when to plant sweet peas by referring to the USDA zone info for Placerville.

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.

Since sweet peas do ok in moderate cold you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant sweet peas in Placerville 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. Any later than that and your sweet peas may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your sweet peas indoors.

Last Frost Date

On average the last frost is on February 15 in Placerville. It might get as low as 20°F during the coldest months of winter.

Keep in mind that USDA zone info for Placerville is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Placerville there is a last frost after February 15 so just be sure to be ready to cover your sweet peas in the event of a surprise late frost.

USDA Zone Info for Placerville

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 Placerville

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