One of the best tools that you have as gardeners to help us determine 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 determine when it's a good idea to plant sutera by referring to the USDA zone info for Helotes.

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.

Since sutera do ok in moderate cold you can plant them just a tiny bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant sutera in Helotes 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. Any later than that and your sutera may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your sutera indoors.

Last Frost Date

The average date of last frost is March 15 in Helotes. In the coldest months of winter you should expect an average low temperature of 15°F.

Since the USDA zone info for Helotes may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Helotes you get a frost after March 15 so make sure that you are ready to protect your sutera in the event of one of those late frosts.

USDA Zone Info for Helotes

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 Helotes

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