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.

By looking at the USDA zone info for Pittsburg it's a good idea to determine when it's the best time to plant coleus.

Planting Calendar for Coleus

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

You can not plant coleus until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant coleus in Pittsburg 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. If you are starting your coleus indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Pittsburg. It might get as low as -5°F during the coldest months of winter.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Pittsburg and it is different every year. Half of the time in Pittsburg you get a frost after April 15 so make sure that you are prepared to protect your coleus if you have a late frost.

USDA Zone Info for Pittsburg

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 Pittsburg

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