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

One way of getting a good idea when it's possible to plant polka dot plant is to check out the USDA zone info for Rocklin.

Planting Calendar for Polka Dot Plant

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

It's a bad idea to plant polka dot plant until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant polka dot plant in Rocklin is March. However, you really should wait until April 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 grow to maturity. You can get started a little bit earlier by starting your polka dot plant indoors.

Last Frost Date

The average date of last frost is February 15 in Rocklin. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Rocklin may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Rocklin it frosts late in the year after February 15 so make sure that you are ready to cover your polka dot plant if you have a late frost.

USDA Zone Info for Rocklin

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Rocklin

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