One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant chard in Tomball can be estimated by using the USDA zone info.

Planting Calendar for Chard

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

Chard are moderately cold tolerant which means that you can plant them earlier than more sensitive plants.

The earliest that you can plant chard 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 chard and expect a good harvest is probably October. Any later than that and your chard may not have a chance to fully mature. If you are starting your chard indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Tomball. It might get as low as 20°F during 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 there is a last frost after February 15 so just be sure to be ready to cover your chard in the event of 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.