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.

The earliest that you can plant euphorbia in Williamsport should be estimated by looking at the USDA zone info.

Planting Calendar for Euphorbia

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

Euphorbia tend to make it in mild cold which tells us that you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant euphorbia 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 euphorbia and expect a good harvest is probably August. If you wait any later than that and your euphorbia may not have a chance to really do well. You can get started a little bit earlier by starting your euphorbia indoors.

Last Frost Date

In Williamsport the average date of last frost happens on April 15. You should expect an average low temperature of -5°F in the coldest months of winter.

Remember that USDA zone info for Williamsport is just an average and the actual date of last frost changes from year to year. Since half of the time in Williamsport there is a last frost after April 15 be ready to cover your euphorbia in the event of a 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.