One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of determining when it's a good idea to plant coleus is to check out the USDA zone info for Woonsocket.

Planting Calendar for Coleus

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

Coleus are not cold tolerant which tells us that you really should wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant coleus in Woonsocket 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 really do well. You can get started a little bit earlier by starting your coleus indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Woonsocket. In the coldest months of winter you should expect an average low temperature of -10°F.

Just be sure to remember that USDA zone info for Woonsocket is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Woonsocket you get surprised by a frost after April 15 so be sure to be ready to protect your coleus if you have one of those late frosts.

USDA Zone Info for Woonsocket

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Woonsocket

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