One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to determine when you can plant sunflowers by looking at the USDA zone info for Desert Hot Springs.

Planting Calendar for Sunflowers

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

It's not a good idea to plant sunflowers until after the last frost because they require warm weather.

The earliest that you can plant sunflowers in Desert Hot Springs 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 sunflowers and expect a good harvest is probably September. Any later than that and your sunflowers may not have a chance to fully mature. You can get started a little bit earlier by starting your sunflowers indoors.

Last Frost Date

The average date of last frost is February 15 in Desert Hot Springs. In the coldest months of winter you can expect an average low temperature of 25°F.

Just be sure to remember that USDA zone info for Desert Hot Springs is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Desert Hot Springs it frosts late in the year after February 15 so be sure to be ready to cover your sunflowers if you have a surprise late frost.

USDA Zone Info for Desert Hot Springs

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 Desert Hot Springs

You may be interested in your other planting guides for Desert Hot Springs.