Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Irving should be read to figure out when it's a good idea to plant sutera.

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 do ok in moderate cold.

The earliest that you can plant sutera in Irving 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. You probably don't want to wait any later than that or else your sutera may not have a chance to really do well. Starting your sutera indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Irving. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Irving is not always accurate the actual date of last frost changes from year to year. Since half of the time in Irving you get a frost after March 15 be ready to protect your sutera if you have a late frost.

USDA Zone Info for Irving

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Irving

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