One of the first steps you take when you are estimating 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 Monroeville you can determine when it's the best time to plant watermelon by referring to the USDA zone info.

Planting Calendar for Watermelon

Frost tolerance for watermelon:	Not tolerant of frost.
When to plant:	After the last frost.

Since watermelon are not cold tolerant it is necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant watermelon in Monroeville is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant watermelon and expect a good harvest is probably August. If you wait any later than that and your watermelon may not have a chance to really do well. If you are starting your watermelon indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost is on March 15 in Monroeville. You can expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Monroeville is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Monroeville you get a frost after March 15 so just be sure to be ready to protect your watermelon in the event of a surprise late frost.

USDA Zone Info for Monroeville

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Monroeville

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