One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to figure out when it's a good idea to plant gypsophila by referring to the USDA zone info for Zone 9b.

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 a bit earlier in the year because they do well in moderate cold.

The earliest that you can plant gypsophila in Zone 9b 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. Any later than that and your gypsophila may not have a chance to really do well. Starting your gypsophila indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Zone 9b. In the coldest months of winter you should expect an average low temperature of 25°F.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Zone 9b and it will vary from year to year. Half of the time in Zone 9b it frosts late in the year after February 15 so just be sure to be ready to cover your gypsophila in the event of a late frost.

USDA Zone Info for Zone 9b

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 Zone 9b

You may be interested in your other planting guides for Zone 9b.