The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In West Sacramento you can figure out when you can plant dahlias by checking out the USDA zone info.

Planting Calendar for Dahlias

Frost tolerance for dahlias:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

You should not plant dahlias until after the last frost because they do not do well in cold weather.

The earliest that you can plant dahlias in West Sacramento is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant dahlias and expect a good harvest is probably September. You probably don't want to wait any later than that or else your dahlias may not have a chance to grow to maturity. If you are starting your dahlias indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in West Sacramento. You should expect an average low temperature of 25°F in the coldest months of winter.

It's important to remember that USDA zone info for West Sacramento is not always accurate and the actual date of last frost changes from year to year. Half of the time in West Sacramento it frosts late in the year after February 15 so be sure to be ready to protect your dahlias in the event of a surprise late frost.

USDA Zone Info for West Sacramento

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 West Sacramento

You may be interested in your other planting guides for West Sacramento.