The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to determine when to plant watermelon by using the USDA zone info for La Junta.

Planting Calendar for Watermelon

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

You can not plant watermelon until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant watermelon in La Junta 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

The average date of last frost is April 15 in La Junta. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that USDA zone info for La Junta is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in La Junta it frosts late in the year after April 15 be ready to cover your watermelon in the event of one of those late frosts.

USDA Zone Info for La Junta

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°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 -10°F.

Plants to Grow in La Junta

You may be interested in your other planting guides for La Junta.