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.

It's possible to figure out when you can plant ageratum by using the USDA zone info for Lake Grove.

Planting Calendar for Ageratum

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

Since ageratum are not cold tolerant it's necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant ageratum in Lake Grove 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

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

It's important to remember that USDA zone info for Lake Grove is not always accurate and the actual date of last frost is different every year. Half of the time in Lake Grove you get a frost after April 15 so be sure to be ready to protect your ageratum in the event of a late frost.

USDA Zone Info for Lake Grove

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 Lake Grove

You may be interested in your other planting guides for Lake Grove.