One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of getting a good idea when you can plant euphorbia is to refer to the USDA zone info for South Pasadena.

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 get them planted just a bit earlier than other frost tender plants.

The earliest that you can plant euphorbia in South Pasadena 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 really do well. You can get started a little bit earlier by starting your euphorbia indoors.

Last Frost Date

The average date of last frost is January 31 in South Pasadena. In the coldest months of winter you can expect an average low temperature of 30°F.

Remember that USDA zone info for South Pasadena is an average and the actual date of last frost changes from year to year. Since half of the time in South Pasadena last frost occurs after January 31 be ready to cover your euphorbia in the event of a late frost.

USDA Zone Info for South Pasadena

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 South Pasadena

You may be interested in your other planting guides for South Pasadena.