When to Plant Lisianthus in Huron, SD

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.

The first opportunity to plant lisianthus in Huron can be determined by using the USDA zone info.

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Planting Calendar for Lisianthus

Frost tolerance for lisianthus: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

Since lisianthus require warm weather you need to wait until after the last frost has passed before you can plant them.

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

The earliest that you can plant lisianthus in Huron is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant lisianthus and expect a good harvest is probably August. Any later than that and your lisianthus may not have a chance to fully mature. You can get started a little bit earlier by starting your lisianthus indoors.

Last Frost Date

The average date of last frost is May 15 in Huron. You can expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Huron is an average the actual date of last frost is different every year. Since half of the time in Huron you get a frost after May 15 be ready to cover your lisianthus in the event of one of those late frosts.

USDA Zone Info for Huron

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-25°F
Highest Expected Low-20°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 -20°F.

Plants to Grow in Huron

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