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.

You can determine when it's a good idea to plant euphorbia in Santa Barbara by referring to 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 do well in very little cold which tells us that you can plant them just a tiny bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant euphorbia in Santa Barbara 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. If you wait any later than that and your euphorbia may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your euphorbia indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in Santa Barbara. You can expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for Santa Barbara is an average the actual date of last frost will vary from year to year. Half of the time in Santa Barbara last frost occurs after January 31 so always be ready to protect your euphorbia if you have a surprise late frost.

USDA Zone Info for Santa Barbara

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Santa Barbara

You may be interested in your other planting guides for Santa Barbara.