Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of making a decision about when you can plant ageratum is to examine the USDA zone info for Bayonne.

Planting Calendar for Ageratum

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

You can not plant ageratum until after the last frost because they are not cold tolerant.

The earliest that you can plant ageratum in Bayonne 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 grow to maturity. If you are starting your ageratum indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Bayonne. You should expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Bayonne is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Bayonne there is a last frost after April 15 be ready to cover your ageratum in the event of a late frost.

USDA Zone Info for Bayonne

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Bayonne

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