Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Prescott you can estimate when it's possible to plant polka dot plant by referring to 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 when the weather gets warmer.

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 Prescott is April. However, you really should wait until May 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 August. If you wait any later than that and your polka dot plant may not have a chance to really do well. You can get started a few weeks earlier by starting your polka dot plant indoors.

Last Frost Date

On average the last frost is on March 15 in Prescott. You can expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Prescott is an average the actual date of last frost changes from year to year. Half of the time in Prescott it frosts late in the year after March 15 so make sure that you are prepared to protect your polka dot plant in the event of a surprise late frost.

USDA Zone Info for Prescott

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Prescott

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