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.

In Somerton you can figure out when it's the best time to plant garden mums by looking at the USDA zone info.

Planting Calendar for Garden Mums

Frost tolerance for garden mums:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Garden Mums are moderately cold tolerant which tells us that you can start planting them earlier than plants that are more sensitive to the cold.

The earliest that you can plant garden mums in Somerton is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant garden mums and expect a good harvest is probably October. If you wait any later than that and your garden mums may not have a chance to really do well. If you are starting your garden mums indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Somerton the average date of last frost happens on January 31. It might get as low as 30°F during the coldest months of winter.

It's important to remember that USDA zone info for Somerton is just an average and the actual date of last frost is different every year. Half of the time in Somerton there is a last frost after January 31 so make sure that you are prepared to cover your garden mums if you have a surprise late frost.

USDA Zone Info for Somerton

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 Somerton

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