One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Suisun City should be read to determine when to plant melons.

Planting Calendar for Melons

Frost tolerance for melons:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

You really shouldn't plant melons until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant melons in Suisun City 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 melons and expect a good harvest is probably September. Any later than that and your melons may not have a chance to grow to maturity. If you are starting your melons indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Suisun City the average date of last frost happens on February 15. It might get as low as 25°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Suisun City is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Suisun City last frost occurs after February 15 so just be sure to be ready to protect your melons if you have a surprise late frost.

USDA Zone Info for Suisun City

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 Suisun City

You may be interested in your other planting guides for Suisun City.