The USDA Zone info is a great tool for gardeners to help us figure out 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 Signal Hill you can figure out when to plant gypsophila by reviewing the USDA zone info.

Planting Calendar for Gypsophila

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

Gypsophila do well in moderate cold which tells us that you can start planting them earlier than other plants that might not handle the cold.

The earliest that you can plant gypsophila in Signal Hill 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 few weeks earlier.

Last Frost Date

The average date of last frost is January 31 in Signal Hill. In the coldest months of winter you can expect an average low temperature of 35°F.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Signal Hill and it can change quite a bit from year to year. Half of the time in Signal Hill you get surprised by a frost after January 31 so just be sure to be ready to protect your gypsophila if you have one of those late frosts.

USDA Zone Info for Signal Hill

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 Signal Hill

You may be interested in your other planting guides for Signal Hill.