The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Pasadena you can estimate when it's the best time 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.

You can plant cilantro slightly earlier in the year because they do ok in moderate cold.

The earliest that you can plant cilantro in Pasadena 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. Any later than that and your cilantro may not have a chance to really do well. You can get started a couple of weeks earlier by starting your cilantro indoors.

Last Frost Date

The average date of last frost is February 15 in Pasadena. You should expect an average low temperature of 20°F in the coldest months of winter.

Keep in mind that USDA zone info for Pasadena may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Pasadena you get surprised by a frost after February 15 be ready to cover your cilantro if you have one of those late frosts.

USDA Zone Info for Pasadena

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 Pasadena

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