One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of getting a good idea when you can plant euphorbia is to use the USDA zone info for Bellflower.

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 barely cold tolerant 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 Bellflower 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 grow to maturity. You can get started a little bit earlier by starting your euphorbia indoors.

Last Frost Date

In Bellflower the average date of last frost happens on January 31. You should expect an average low temperature of 35°F in the coldest months of winter.

It's important to remember that USDA zone info for Bellflower is just an average and the actual date of last frost changes from year to year. Half of the time in Bellflower last frost occurs after January 31 so make sure that you are prepared to cover your euphorbia in the event of one of those late frosts.

USDA Zone Info for Bellflower

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Bellflower

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