The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Martin it's possible to figure out when it's possible to plant salpiglossis.

Planting Calendar for Salpiglossis

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

It's probably not a good idea to plant salpiglossis until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant salpiglossis in Martin 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 fully mature. Starting your salpiglossis indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Martin the average date of last frost happens on April 15. It might get as low as 0°F during the coldest months of winter.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Martin and it can change quite a bit from year to year. Half of the time in Martin you get surprised by a frost after April 15 so always be ready to protect your salpiglossis if you have a surprise late frost.

USDA Zone Info for Martin

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Martin

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