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.

In Royal Palm Beach you can determine when you can plant sweet corn by reviewing the USDA zone info.

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.

Since sweet corn do ok in moderate cold you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant sweet corn in Royal Palm Beach 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. 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 couple of weeks earlier.

Last Frost Date

In Royal Palm Beach the average date of last frost happens on January 31. In the coldest months of winter you can expect an average low temperature of 30°F.

Since the USDA zone info for Royal Palm Beach is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Royal Palm Beach you get a frost after January 31 so make sure that you are ready to cover your sweet corn in the event of a late frost.

USDA Zone Info for Royal Palm Beach

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Royal Palm Beach

You may be interested in your other planting guides for Royal Palm Beach.