One of the first steps you take when you are figuring out your gardening schedule is find your 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.

You can figure out when it's a good idea to plant polka dot plant in Upland by using the USDA zone info.

Planting Calendar for Polka Dot Plant

Frost tolerance for polka dot plant:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Polka Dot Plant are not cold tolerant which means that it is necessary to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant polka dot plant in Upland 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 little bit 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 Upland. You should expect an average low temperature of 30°F in the coldest months of winter.

It's important to remember that USDA zone info for Upland may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Upland you get a frost after January 31 be ready to cover your polka dot plant if you have one of those late frosts.

USDA Zone Info for Upland

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 Upland

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