One of the first steps you take when you are figuring out 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.

One way of making a decision about when it's possible to plant trifolium is to consult the USDA zone info for River Edge.

Planting Calendar for Trifolium

Frost tolerance for trifolium:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Trifolium can survive in very little cold which means that you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant trifolium in River Edge is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant trifolium and expect a good harvest is probably August. If you wait any later than that and your trifolium may not have a chance to really do well. You can get started a couple of weeks earlier by starting your trifolium indoors.

Last Frost Date

On average the last frost is on April 15 in River Edge. In the coldest months of winter you should expect an average low temperature of 0°F.

Just be sure to remember that USDA zone info for River Edge is just an average and the actual date of last frost will vary from year to year. Since half of the time in River Edge it frosts late in the year after April 15 be ready to protect your trifolium in the event of one of those late frosts.

USDA Zone Info for River Edge

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 River Edge

You may be interested in your other planting guides for River Edge.