One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of determining when it's possible to plant brachycome is to examine the USDA zone info for Tomball.

Planting Calendar for Brachycome

Frost tolerance for brachycome:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Brachycome do not do well in cold weather which means that it is important to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant brachycome in Tomball is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant brachycome and expect a good harvest is probably September. Any later than that and your brachycome may not have a chance to fully mature. If you are starting your brachycome indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

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

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Tomball and it changes from year to year. Since half of the time in Tomball you get surprised by a frost after February 15 be ready to cover your brachycome 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.