One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can determine when it's a good idea to plant ageratum in Big Stone Gap by looking at the USDA zone info.

Planting Calendar for Ageratum

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

You really shouldn't plant ageratum until after all chance of frost has passed because they require warm weather.

The earliest that you can plant ageratum in Big Stone Gap 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 ageratum and expect a good harvest is probably August. You probably don't want to wait any later than that or else your ageratum may not have a chance to grow to maturity. Starting your ageratum indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Big Stone Gap. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Big Stone Gap is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Big Stone Gap it frosts late in the year after April 15 so be sure to be ready to cover your ageratum if you have one of those late frosts.

USDA Zone Info for Big Stone Gap

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 Big Stone Gap

You may be interested in your other planting guides for Big Stone Gap.