The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of figuring out when it's the best time to plant gerbera is to refer to the USDA zone info for Tomball.

Planting Calendar for Gerbera

Frost tolerance for gerbera:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant gerbera just a tiny bit earlier in the year because they do ok in moderate cold.

The earliest that you can plant gerbera in Tomball 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 gerbera and expect a good harvest is probably September. Any later than that and your gerbera may not have a chance to fully mature. Starting your gerbera indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Tomball. In the coldest months of winter you should expect an average low temperature of 20°F.

Just be sure to remember that USDA zone info for Tomball is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Tomball there is a last frost after February 15 so make sure that you are ready to cover your gerbera if you have a late frost.

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.