One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to estimate when it's a good idea to plant salpiglossis by reviewing the USDA zone info for Webb City.

Planting Calendar for Salpiglossis

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

Since salpiglossis do not do well in cold weather you have to wait until after the last frost has passed before you can plant them.

The earliest that you can plant salpiglossis in Webb City 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. Any later than that and your salpiglossis may not have a chance to fully mature. You can get started a few weeks earlier by starting your salpiglossis indoors.

Last Frost Date

The average date of last frost is April 15 in Webb City. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Webb City is just an average the actual date of last frost will vary from year to year. Half of the time in Webb City last frost occurs after April 15 so just be sure to be ready to cover your salpiglossis in the event of a late frost.

USDA Zone Info for Webb City

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Webb City

You may be interested in your other planting guides for Webb City.