The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Newton you can determine when it's the best time to plant trifolium by looking at the USDA zone info.

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 are barely cold tolerant which means that you can start planting them slightly earlier than other frost tender plants.

The earliest that you can plant trifolium in Newton 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. You probably don't want to wait any later than that or else your trifolium may not have a chance to grow to maturity. You can get started a little bit earlier by starting your trifolium indoors.

Last Frost Date

The average date of last frost is April 15 in Newton. It might get as low as 5°F during the coldest months of winter.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Newton and it changes from year to year. Since half of the time in Newton you get a frost after April 15 be ready to protect your trifolium in the event of a late frost.

USDA Zone Info for Newton

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 Newton

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