Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of estimating when to plant salpiglossis is to check out the USDA zone info for Grain Valley.

Planting Calendar for Salpiglossis

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

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

The earliest that you can plant salpiglossis in Grain Valley 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. You probably don't want to wait any later than that or else your salpiglossis may not have a chance to grow to maturity. Starting your salpiglossis indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Grain Valley. It might get as low as -10°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Grain Valley is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Grain Valley it frosts late in the year after April 15 be ready to protect your salpiglossis if you have a surprise late frost.

USDA Zone Info for Grain Valley

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Grain Valley

You may be interested in your other planting guides for Grain Valley.