The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By reviewing the USDA zone info for Crawfordsville it's a good idea to determine when you can plant salsify.

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 are barely cold tolerant you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant salsify in Crawfordsville 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. Any later than that and your salsify may not have a chance to fully mature. You can get started a little bit earlier by starting your salsify indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Crawfordsville. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Crawfordsville is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Crawfordsville it frosts late in the year after April 15 be ready to protect your salsify in the event of a late frost.

USDA Zone Info for Crawfordsville

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Crawfordsville

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