Before planting it is a good idea to find your USDA Zone info to determine your garden 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 to plant euphorbia by referring to the USDA zone info for Pleasant Hill.

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 plants that are more sensitive to the cold.

The earliest that you can plant euphorbia in Pleasant Hill 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. Starting your euphorbia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Pleasant Hill. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Pleasant Hill is an average the actual date of last frost is different every year. Half of the time in Pleasant Hill it frosts late in the year after April 15 so always be ready to cover your euphorbia in the event of a surprise late frost.

USDA Zone Info for Pleasant Hill

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Pleasant Hill

You may be interested in your other planting guides for Pleasant Hill.