One of the best tools that you have as gardeners to help us estimate 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.

It's possible to figure out when you can plant sutera by reviewing the USDA zone info for Sierra Vista.

Planting Calendar for Sutera

Frost tolerance for sutera:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant sutera slightly earlier in the year because they are barely cold tolerant.

The earliest that you can plant sutera in Sierra Vista 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 sutera and expect a good harvest is probably August. If you wait any later than that and your sutera may not have a chance to fully mature. You can get started a little bit earlier by starting your sutera indoors.

Last Frost Date

On average the last frost has passed is on March 15 in Sierra Vista. You can expect an average low temperature of 15°F in the coldest months of winter.

Remember that USDA zone info for Sierra Vista is just an average and the actual date of last frost is different every year. Half of the time in Sierra Vista you get a frost after March 15 so be sure to be ready to protect your sutera if you have a surprise late frost.

USDA Zone Info for Sierra Vista

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Sierra Vista

You may be interested in your other planting guides for Sierra Vista.