One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Tolleson you can estimate when you can plant veronica by referring to the USDA zone info.

Planting Calendar for Veronica

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

Since veronica are moderately cold tolerant you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant veronica in Tolleson 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 veronica and expect a good harvest is probably October. You probably don't want to wait any later than that or else your veronica may not have a chance to fully mature. Starting your veronica indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Tolleson the average date of last frost happens on February 15. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Tolleson is just an average the actual date of last frost will vary from year to year. Half of the time in Tolleson last frost occurs after February 15 so make sure that you are ready to cover your veronica if you have one of those late frosts.

USDA Zone Info for Tolleson

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Tolleson

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