One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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 determining when you can plant watermelon is to examine the USDA zone info for Santa Clarita.

Planting Calendar for Watermelon

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

It's probably a bad idea to plant watermelon until after the last frost has passed because they are not cold tolerant.

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

The last month that you can plant watermelon and expect a good harvest is probably September. If you wait any later than that and your watermelon may not have a chance to really do well. Starting your watermelon indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Santa Clarita. It might get as low as 25°F during the coldest months of winter.

It's important to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Santa Clarita and it can change quite a bit from year to year. Half of the time in Santa Clarita you get surprised by a frost after February 15 so make sure that you are ready to cover your watermelon if you have one of those late frosts.

USDA Zone Info for Santa Clarita

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 Santa Clarita

You may be interested in your other planting guides for Santa Clarita.