Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's possible to determine when it's possible to plant dahlias by looking at the USDA zone info for Elk Grove.

Planting Calendar for Dahlias

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

Since dahlias require warm weather it is necessary to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant dahlias in Elk Grove 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. If you wait any later than that and your dahlias may not have a chance to really do well. You can get started a few weeks earlier by starting your dahlias indoors.

Last Frost Date

The average date of last frost is February 15 in Elk Grove. In the coldest months of winter you should expect an average low temperature of 25°F.

Keep in mind that USDA zone info for Elk Grove may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Elk Grove there is a last frost after February 15 so make sure that you are ready to protect your dahlias in the event of a late frost.

USDA Zone Info for Elk Grove

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 Elk Grove

You may be interested in your other planting guides for Elk Grove.