One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

It's a good idea to estimate when it's possible to plant ageratum by checking out the USDA zone info for Canandaigua.

Planting Calendar for Ageratum

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

Ageratum require warm weather which means that you really should wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant ageratum in Canandaigua 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. If you are starting your ageratum indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Canandaigua the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Canandaigua may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Canandaigua last frost occurs after April 15 so be sure to be ready to protect your ageratum if you have one of those late frosts.

USDA Zone Info for Canandaigua

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 Canandaigua

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