One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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.

The best time to plant salpiglossis in Kerrville can be estimated by referring to the USDA zone info.

Planting Calendar for Salpiglossis

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

It's not a good idea to plant salpiglossis until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant salpiglossis in Kerrville 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 Kerrville. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Kerrville is not always accurate the actual date of last frost is different every year. Half of the time in Kerrville it frosts late in the year after March 15 so always be ready to protect your salpiglossis if you have a surprise late frost.

USDA Zone Info for Kerrville

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 Kerrville

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