The USDA Zone info is a great tool for gardeners to help us figure out 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.

In Blair you can estimate when it's a good idea to plant coleus by referring to the USDA zone info.

Planting Calendar for Coleus

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

Since coleus require warm weather you have to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant coleus in Blair 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. Any later than that and your coleus may not have a chance to really do well. Starting your coleus indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Blair. You can expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Blair may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Blair it frosts late in the year after April 15 be ready to cover your coleus if you have a surprise late frost.

USDA Zone Info for Blair

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 Blair

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