One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

You can determine when it's the best time to plant cilantro in Chula Vista by using 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.

Cilantro do ok in a tiny bit of cold which tells us that you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant cilantro in Chula Vista 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 grow to maturity. You can get started a little bit earlier by starting your cilantro indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Chula Vista. In the coldest months of winter you can expect an average low temperature of 35°F.

Since the USDA zone info for Chula Vista 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 Chula Vista you get surprised by a frost after January 31 be ready to protect your cilantro in the event of a surprise late frost.

USDA Zone Info for Chula Vista

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Chula Vista

You may be interested in your other planting guides for Chula Vista.