The USDA Zone info is a great tool for gardeners to help us figure out 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.

You will be able to estimate when it's a good idea to plant clover by reviewing the USDA zone info for Williamsport.

Planting Calendar for Clover

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

Clover do ok in a tiny bit of cold which tells us that you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant clover in Williamsport 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 clover and expect a good harvest is probably August. If you wait any later than that and your clover may not have a chance to really do well. Starting your clover indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Always keep in mind that USDA zone info for Williamsport is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Williamsport there is a last frost after April 15 be ready to cover your clover in the event of a surprise late frost.

USDA Zone Info for Williamsport

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 Williamsport

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