Before planting it is a good idea to find your USDA Zone info to determine 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 coleus in Huron should be figured out by using the USDA zone info.

Planting Calendar for Coleus

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

Since coleus are not cold tolerant it's necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant coleus in Huron 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 coleus and expect a good harvest is probably August. If you wait any later than that and your coleus may not have a chance to grow to maturity. You can get started a little bit earlier by starting your coleus indoors.

Last Frost Date

The average date of last frost is April 15 in Huron. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Huron is an average the actual date of last frost changes from year to year. Since half of the time in Huron there is a last frost after April 15 be ready to protect your coleus in the event of a late frost.

USDA Zone Info for Huron

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Huron

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