The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Fontana you can determine when to plant polka dot plant by checking out the USDA zone info.

Planting Calendar for Polka Dot Plant

Frost tolerance for polka dot plant:	Not tolerant of frost.
When to plant:	After the last frost.

Since polka dot plant are not cold tolerant you really should wait until after the last frost before you can plant them.

The earliest that you can plant polka dot plant in Fontana 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 polka dot plant and expect a good harvest is probably September. You probably don't want to wait any later than that or else your polka dot plant may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your polka dot plant indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Fontana. In the coldest months of winter you should expect an average low temperature of 30°F.

Since the USDA zone info for Fontana is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Fontana you get a frost after January 31 so just be sure to be ready to protect your polka dot plant in the event of a late frost.

USDA Zone Info for Fontana

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 Fontana

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