The USDA Zone info is a great tool for gardeners to help us determine 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 Tomball you can figure out when you can plant cucumbers by looking at the USDA zone info.

Planting Calendar for Cucumbers

Frost tolerance for cucumbers:	Not tolerant of frost.
When to plant:	After the last frost.

Cucumbers do not do well in cold weather which tells us that you have to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant cucumbers 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 cucumbers and expect a good harvest is probably September. You probably don't want to wait any later than that or else your cucumbers may not have a chance to really do well. You can get started a few weeks earlier by starting your cucumbers indoors.

Last Frost Date

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

Remember that USDA zone info for Tomball is an average and the actual date of last frost is different every year. Half of the time in Tomball last frost occurs after February 15 so make sure that you are ready to protect your cucumbers 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.