One of the first steps you take when you are making a decision about your gardening schedule is find your 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.

By looking at the USDA zone info for Helotes you should be able to figure out when you can plant nemesia.

Planting Calendar for Nemesia

Frost tolerance for nemesia:	Not tolerant of frost.
When to plant:	After the last frost has passed.

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

The earliest that you can plant nemesia in Helotes is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant nemesia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your nemesia may not have a chance to really do well. If you are starting your nemesia indoors then you might be able to get away with starting them a couple of weeks earlier.

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 is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Helotes you get surprised by a frost after March 15 so make sure that you are ready to cover your nemesia if you have a surprise late frost.

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.