One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Rockaway you will be able to estimate when you can plant ageratum.

Planting Calendar for Ageratum

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

You can not plant ageratum until after the last frost because they do not do well in cold weather.

The earliest that you can plant ageratum in Rockaway 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 little bit earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Rockaway. It might get as low as -5°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Rockaway may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Rockaway there is a last frost after April 15 so be sure to be ready to cover your ageratum if you have a surprise late frost.

USDA Zone Info for Rockaway

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Rockaway

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