One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

In Webster you can determine when to plant torenia by using the USDA zone info.

Planting Calendar for Torenia

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

You really shouldn't plant torenia until after the last frost has passed because they do not do well in cold weather.

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

Last Frost Date

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

Since the USDA zone info for Webster is an average the actual date of last frost will vary from year to year. Half of the time in Webster there is a last frost after February 15 so just be sure to be ready to protect your torenia in the event of one of those late frosts.

USDA Zone Info for Webster

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 Webster

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