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.

You can determine when it's a good idea to plant salpiglossis in Marble Falls by reviewing the USDA zone info.

Planting Calendar for Salpiglossis

Frost tolerance for salpiglossis:	Not tolerant of frost.
When to plant:	After the last frost.

It's a bad idea to plant salpiglossis until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant salpiglossis in Marble Falls 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 salpiglossis and expect a good harvest is probably August. If you wait any later than that and your salpiglossis may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your salpiglossis indoors.

Last Frost Date

The average date of last frost is March 15 in Marble Falls. You can expect an average low temperature of 15°F in the coldest months of winter.

It's important to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Marble Falls and it can change quite a bit from year to year. Since half of the time in Marble Falls you get surprised by a frost after March 15 be ready to protect your salpiglossis in the event of a late frost.

USDA Zone Info for Marble Falls

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 Marble Falls

You may be interested in your other planting guides for Marble Falls.