When to Plant Salsify in Posen, IL

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.

The best time to plant salsify in Posen should be determined by referring to 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.

You can plant salsify a bit earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant salsify
Possibly ok, but a risky time to plant salsify
Probably not a good time to plant salsify

The earliest that you can plant salsify in Posen 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. If you are starting your salsify indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Posen. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Posen is just an average the actual date of last frost is different every year. Half of the time in Posen last frost occurs after April 15 so make sure that you are prepared to cover your salsify if you have a late frost.

USDA Zone Info for Posen

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 Posen

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