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.

One way of figuring out when it's possible to plant salsify is to look at the USDA zone info for North Vernon.

Planting Calendar for Salsify

Frost tolerance for salsify:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since salsify do ok in moderate cold you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant salsify in North Vernon is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant salsify and expect a good harvest is probably August. You probably don't want to wait any later than that or else your salsify may not have a chance to grow to maturity. Starting your salsify indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In North Vernon the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -10°F.

Just be sure to remember that USDA zone info for North Vernon is an average and the actual date of last frost is different every year. Since half of the time in North Vernon it frosts late in the year after April 15 be ready to protect your salsify in the event of one of those late frosts.

USDA Zone Info for North Vernon

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 North Vernon

You may be interested in your other planting guides for North Vernon.