One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

The USDA zone info for Herriman can be reviewed to determine when you can plant polka dot plant.

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.

You can not plant polka dot plant until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant polka dot plant in Herriman 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. Any later than that and 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

The average date of last frost is April 15 in Herriman. In the coldest months of winter you can expect an average low temperature of 0°F.

Just be sure to remember that USDA zone info for Herriman may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Herriman you get a frost after April 15 be ready to cover your polka dot plant in the event of a late frost.

USDA Zone Info for Herriman

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Herriman

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