One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Pinole can be looked at to estimate when you can plant calla lily.

Planting Calendar for Calla Lily

Frost tolerance for calla lily:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

You can not plant calla lily until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant calla lily in Pinole 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 calla lily and expect a good harvest is probably September. If you wait any later than that and your calla lily may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your calla lily indoors.

Last Frost Date

In Pinole the average date of last frost happens on January 31. In the coldest months of winter you can expect an average low temperature of 30°F.

Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for Pinole and it is different every year. Half of the time in Pinole you get surprised by a frost after January 31 so make sure that you are prepared to cover your calla lily in the event of a late frost.

USDA Zone Info for Pinole

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 Pinole

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