When to Plant Polka Dot Plant in Clarion, PA

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 first chance to plant polka dot plant in Clarion should be determined by checking out 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.

It's probably not a good idea to plant polka dot plant until after the last frost when the weather gets warmer because they are not cold tolerant.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant polka dot plant
Possibly ok, but a risky time to plant polka dot plant
Probably not a good time to plant polka dot plant

The earliest that you can plant polka dot plant in Clarion 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 grow to maturity. 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 Clarion. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Clarion may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Clarion last frost occurs after April 15 be ready to cover your polka dot plant if you have one of those late frosts.

USDA Zone Info for Clarion

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°F

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

Plants to Grow in Clarion

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