As long as the night time lows rebound above freezing during the day, everything should be fine. ... A prolonged freeze once they have already come up. Prolonged warmth (2 days in a row with air temps above 80).

Can morels withstand frost?

Soil temperatures will typically range from 50 to 60 degrees. It is not uncommon to find morels after a light frost or even snow, however, it is most likely that the morel had already made its grand appearance prior to the snow.

What temperatures do morels grow?

Ideal temperatures are between 60 – 70 degrees during the day and temperatures in the 50's at night. Conditions for a Good Mushroom season: They say that a heavy snow fall will produce a great season.