One of the first steps you take when you are getting a good idea 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.

In Healdsburg you can figure out when it's a good idea to plant melons by reviewing the USDA zone info.

Planting Calendar for Melons

Frost tolerance for melons:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's probably not a good idea to plant melons until after the last frost because they do not do well in cold weather.

The earliest that you can plant melons in Healdsburg 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. If you wait any later than that and your melons may not have a chance to fully mature. You can get started a little bit earlier by starting your melons indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Healdsburg. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Healdsburg is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Healdsburg it frosts late in the year after February 15 be ready to cover your melons if you have a surprise late frost.

USDA Zone Info for Healdsburg

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 Healdsburg

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