Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for El Cajon should be reviewed to figure out when it's the best time to plant gypsophila.

Planting Calendar for Gypsophila

Frost tolerance for gypsophila:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant gypsophila just a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant gypsophila in El Cajon is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant gypsophila and expect a good harvest is probably October. You probably don't want to wait any later than that or else your gypsophila may not have a chance to grow to maturity. Starting your gypsophila indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on January 31 in El Cajon. You should expect an average low temperature of 30°F in the coldest months of winter.

Always keep in mind that USDA zone info for El Cajon is an average and the actual date of last frost is different every year. Half of the time in El Cajon there is a last frost after January 31 so just be sure to be ready to protect your gypsophila if you have a surprise late frost.

USDA Zone Info for El Cajon

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in El Cajon

You may be interested in your other planting guides for El Cajon.