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.

In Kearny you can figure out when to plant ageratum by using the USDA zone info.

Planting Calendar for Ageratum

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

Since ageratum are not cold tolerant it is important to wait until after the last frost before you can plant them.

The earliest that you can plant ageratum in Kearny 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 fully mature. Starting your ageratum indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Kearny. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Kearny is not always accurate the actual date of last frost is different every year. Half of the time in Kearny last frost occurs after April 15 so make sure that you are ready to cover your ageratum in the event of one of those late frosts.

USDA Zone Info for Kearny

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 Kearny

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