One of the first steps you take when you are estimating 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.

The best time to plant achimenes in Dunellen should be determined by referring to the USDA zone info.

Planting Calendar for Achimenes

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

Since achimenes do not do well in cold weather you must wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant achimenes in Dunellen 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 achimenes and expect a good harvest is probably August. Any later than that and your achimenes may not have a chance to really do well. You can get started a couple of weeks earlier by starting your achimenes indoors.

Last Frost Date

In Dunellen the average date of last frost happens on April 15. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Dunellen is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Dunellen it frosts late in the year after April 15 so make sure that you are prepared to protect your achimenes in the event of a surprise late frost.

USDA Zone Info for Dunellen

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 Dunellen

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