One of the first steps you take when you are figuring out your gardening schedule is find your 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.

In Barstow you can determine when it's a good idea to plant cilantro by checking out the USDA zone info.

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 do ok in moderate cold you can plant them just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant cilantro in Barstow 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. You probably don't want to wait any later than that or else your cilantro may not have a chance to fully mature. Starting your cilantro indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Barstow the average date of last frost happens on February 15. It might get as low as 20°F during the coldest months of winter.

Always keep in mind that USDA zone info for Barstow is not always accurate and the actual date of last frost is different every year. Half of the time in Barstow you get surprised by a frost after February 15 so always be ready to cover your cilantro in the event of a surprise late frost.

USDA Zone Info for Barstow

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Barstow

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