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

By looking at the USDA zone info for Goleta you should be able to determine when to plant euphorbia.

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 do ok in moderate cold which means that you can start planting them slightly earlier than other frost tender plants.

The earliest that you can plant euphorbia in Goleta 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. You probably don't want to wait any later than that or else your euphorbia may not have a chance to fully mature. 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 February 15 in Goleta. It might get as low as 25°F during the coldest months of winter.

Just be sure to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Goleta and it can change quite a bit from year to year. Half of the time in Goleta it frosts late in the year after February 15 so just be sure to be ready to protect your euphorbia in the event of a surprise late frost.

USDA Zone Info for Goleta

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 Goleta

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