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 can estimate when it's the best time to plant gypsophila in Tomball by looking at 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 are moderately cold tolerant which means that you can get them planted earlier than other plants that might not handle the cold.

The earliest that you can plant gypsophila in Tomball 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. If you wait 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 couple of weeks earlier.

Last Frost Date

In Tomball the average date of last frost happens on February 15. You should expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Tomball is not always accurate the actual date of last frost changes from year to year. Half of the time in Tomball last frost occurs after February 15 so always be ready to protect your gypsophila if you have one of those late frosts.

USDA Zone Info for Tomball

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 Tomball

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