One of the first steps you take when you are figuring out 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.

It's a good idea to figure out when it's possible to plant cilantro by reviewing the USDA zone info for Healdsburg.

Planting Calendar for Cilantro

Frost tolerance for cilantro:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since cilantro are one of those plants that can tolerate a tiny bit of cold weather you can plant them slightly earlier in the year than other plants that might not handle the cold.

The earliest that you can plant cilantro in Healdsburg is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant cilantro and expect a good harvest is probably September. If you wait any later than that and your cilantro may not have a chance to fully mature. You can get started a few weeks earlier by starting your cilantro indoors.

Last Frost Date

In Healdsburg the average date of last frost happens on February 15. You should expect an average low temperature of 25°F in the coldest months of winter.

Always keep in mind that USDA zone info for Healdsburg is not always accurate and the actual date of last frost is different every year. Half of the time in Healdsburg last frost occurs after February 15 so make sure that you are prepared to protect your cilantro if you have one of those late frosts.

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.