Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of getting a good idea when it's the best time to plant coleus is to examine the USDA zone info for Hummelstown.

Planting Calendar for Coleus

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

It's a bad idea to plant coleus until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant coleus in Hummelstown 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. You probably don't want to wait any later than that or else your coleus may not have a chance to really do well. Starting your coleus indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Hummelstown. It might get as low as 0°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Hummelstown is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Hummelstown last frost occurs after April 15 so make sure that you are prepared to protect your coleus if you have one of those late frosts.

USDA Zone Info for Hummelstown

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Hummelstown

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