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.

You will be able to figure out when it's a good idea to plant sunflowers by reviewing the USDA zone info for South Gate.

Planting Calendar for Sunflowers

Frost tolerance for sunflowers:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's a bad idea to plant sunflowers until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant sunflowers in South Gate is February. However, you really should wait until March 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 grow to maturity. If you are starting your sunflowers 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 January 31 in South Gate. It might get as low as 35°F during the coldest months of winter.

It's important to remember that USDA zone info for South Gate is not always accurate and the actual date of last frost will vary from year to year. Half of the time in South Gate you get a frost after January 31 so be sure to be ready to cover your sunflowers if you have a late frost.

USDA Zone Info for South Gate

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in South Gate

You may be interested in your other planting guides for South Gate.