Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to determine when you can plant euphorbia by referring to the USDA zone info for Lompoc.

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 are one of those plants that can tolerate a tiny bit of cold weather you can plant them slightly earlier in the year than other plants that might not handle the cold.

The earliest that you can plant euphorbia in Lompoc is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant euphorbia and expect a good harvest is probably September. Any later than that and your euphorbia may not have a chance to really do well. Starting your euphorbia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Lompoc. In the coldest months of winter you should expect an average low temperature of 25°F.

Always keep in mind that USDA zone info for Lompoc may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Lompoc there is a last frost after February 15 so make sure that you are prepared to protect your euphorbia in the event of a late frost.

USDA Zone Info for Lompoc

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Lompoc

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