One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to determine when it's possible to plant euphorbia by using the USDA zone info for Chester.

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.

Since euphorbia do ok in moderate cold you can plant them just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant euphorbia in Chester 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 grow to maturity. You can get started a few weeks earlier by starting your euphorbia indoors.

Last Frost Date

The average date of last frost is April 15 in Chester. You should expect an average low temperature of -5°F in the coldest months of winter.

Remember that USDA zone info for Chester is not always accurate and the actual date of last frost is different every year. Half of the time in Chester there is a last frost after April 15 so make sure that you are ready to protect your euphorbia if you have a late frost.

USDA Zone Info for Chester

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 Chester

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