One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant salsify in Hopkins should be determined by using the USDA zone info.

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.

Salsify are one of those plants that can tolerate a tiny bit of cold weather which means that you can start planting them slightly earlier than more sensitive plants.

The earliest that you can plant salsify in Hopkins 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 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 really do well. You can get started a couple of weeks earlier by starting your salsify indoors.

Last Frost Date

In Hopkins the average date of last frost happens on May 15. It might get as low as -25°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Hopkins is an average and the actual date of last frost is different every year. Since half of the time in Hopkins there is a last frost after May 15 be ready to protect your salsify if you have a surprise late frost.

USDA Zone Info for Hopkins

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Hopkins

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