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.

By using the USDA zone info for Danville you should be able to estimate when it's the best time to plant polka dot plant.

Planting Calendar for Polka Dot Plant

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

Polka Dot Plant do not do well in cold weather which tells us that it's important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant polka dot plant in Danville 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. If you wait any later than that and your polka dot plant may not have a chance to grow to maturity. Starting your polka dot plant indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on February 15 in Danville. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Danville is not always accurate the actual date of last frost changes from year to year. Since half of the time in Danville last frost occurs after February 15 be ready to cover your polka dot plant if you have a late frost.

USDA Zone Info for Danville

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 Danville

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