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.

The USDA zone info for Indio can be used to determine when you can plant dahlia.

Planting Calendar for Dahlia

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

Since dahlia are not cold tolerant it is important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant dahlia in Indio 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 dahlia and expect a good harvest is probably September. Any later than that and your dahlia may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your dahlia indoors.

Last Frost Date

On average the last frost is on February 15 in Indio. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Indio is just an average the actual date of last frost is different every year. Since half of the time in Indio there is a last frost after February 15 be ready to protect your dahlia if you have a late frost.

USDA Zone Info for Indio

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 Indio

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