Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Hartford can be read to determine 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 has passed.

Since polka dot plant are not cold tolerant it is important to wait until after the last frost before you can plant them.

The earliest that you can plant polka dot plant in Hartford 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. You probably don't want to wait any later than that or else your polka dot plant may not have a chance to really do well. 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 Hartford. You should expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Hartford may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Hartford you get a frost after April 15 be ready to cover your polka dot plant if you have a surprise late frost.

USDA Zone Info for Hartford

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Hartford

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