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 should be able to estimate when it's a good idea to plant salpiglossis by referring to the USDA zone info for Warren.

Planting Calendar for Salpiglossis

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

It's probably a bad 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 Warren 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 really do well. 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 Warren. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Warren may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Warren you get surprised by a frost after April 15 so just be sure to be ready to protect your salpiglossis if you have a surprise late frost.

USDA Zone Info for Warren

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 Warren

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