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When to Plant Polka Dot Plant in Hilton Head Island, SC

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can estimate when it's the best time to plant polka dot plant in Hilton Head Island by referring to the USDA zone info.

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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.

It's not a good idea to plant polka dot plant until after the last frost has passed 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 Hilton Head Island 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. If you are starting your polka dot plant indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Hilton Head Island the average date of last frost happens on March 15. In the coldest months of winter you can expect an average low temperature of 15°F.

Since the USDA zone info for Hilton Head Island 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 Hilton Head Island last frost occurs after March 15 be ready to protect your polka dot plant in the event of one of those late frosts.

USDA Zone Info for Hilton Head Island

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)March 15
Average Date of First Frost (fall)November 15
Lowest Expected Low15°F
Highest Expected Low20°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 20°F.

Plants to Grow in Hilton Head Island

You may be interested in your other planting guides for Hilton Head Island.