One of the best tools that you have as gardeners to help us figure out 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.

It's a good idea to determine when you can plant ageratum by checking out the USDA zone info for Kenilworth.

Planting Calendar for Ageratum

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

Since ageratum require warm weather you have to wait until after the last frost before you can plant them.

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

Last Frost Date

On average the last frost has passed is on April 15 in Kenilworth. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Kenilworth is an average the actual date of last frost is different every year. Half of the time in Kenilworth it frosts late in the year after April 15 so be sure to be ready to protect your ageratum if you have a late frost.

USDA Zone Info for Kenilworth

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 Kenilworth

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