One of the first steps you take when you are figuring out your gardening schedule is find your 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.

A common way of figuring out when it's the best time to plant trifolium is to check out the USDA zone info for Lawrenceville.

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.

You can plant trifolium slightly earlier in the year because they do ok in moderate cold.

The earliest that you can plant trifolium in Lawrenceville 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 grow to maturity. If you are starting your trifolium indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Lawrenceville. In the coldest months of winter you can expect an average low temperature of 5°F.

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

USDA Zone Info for Lawrenceville

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 Lawrenceville

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