One of the first steps you take when you are figuring out 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.

A way of estimating when to plant sweet corn is to refer to the USDA zone info for Chandler.

Planting Calendar for Sweet corn

Frost tolerance for sweet corn:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Sweet corn do ok in a tiny bit of cold which tells us that you can plant them just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant sweet corn in Chandler 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 sweet corn and expect a good harvest is probably September. If you wait any later than that and your sweet corn may not have a chance to fully mature. Starting your sweet corn indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Always keep in mind that USDA zone info for Chandler 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 Chandler there is a last frost after February 15 so make sure that you are prepared to cover your sweet corn in the event of a surprise late frost.

USDA Zone Info for Chandler

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 Chandler

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