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Predicting Morel Mushroom Growth By The Weather

Watching weather patterns can help you know when you start looking for morel mushrooms.

Photo by: Jessica Chaidez (Pair of morels, 2024)

If you’ve spent really any time on my blog then you probably know that morel mushrooms are one of my favorite things in the world.

Spring is finally here and now that we are in the first week of April, the best time of year is just around the corner – Morels should be popping out of the ground any day now!

In celebration of the beginning of morel season 2025, thought I would share some of the best tips I have for tracking when the mushrooms will start growing!

Specifically, tips on how to keep an eye on the weather and the three biggest indicators of the beginning of mushroom season!

Photo by: Jessica Chaidez (Bunch of morels, 2024)

1. Above Ground Temperature

Morels usually start to grow after the snow has melted and the temperatures are around 60°F (16°C) during the day and around or above 50°F (10°C) at night.

The snow melt and rain from the springtime helps keep the ground moist, while the warmer temperatures help create the humidity that fungi require to grow.

Photo by: Jessica Chaidez (Hiding morel mushroom, 2024)

2. Underground Temperature

While the overall temperature is an important factor, the mushrooms grow from the mycelium underground which makes the ground temperature an essential piece to the puzzle.

Morel mushrooms will begin growing when the soil temperature stays around or above 50°F (10°C) consistently for at least a couple of weeks.

The best way to track the warmth of the soil is by using a soil temperature map. There are a few great ones that you can find online, but my go-to is the GreenCast Soil Temperature Map.

On the website you can put in your city, town, or zip code and it will provide a daily updated chart for the temperatures of the soils in your area!

Photo by: Jessica Chaidez (Pair of morels, 2024)

3. Rainfall and Snow Melt

One of the main environmental requirements for mushrooms to exist is humidity, which means that the warmer weather paired with sufficient rainfall and snow melt will also have an impact on the mushroom growth.

After 2-3 weeks of consistently 50°F (10°C) or higher weather and frequent rainfall, you should be able to start finding little morel mushrooms popping up!

Taking note of the rainfall and snow melt will help you know when to get out there and start looking!

Photo by: Jessica Chaidez (Picture Perfect Morel, 2024)

Key Takeaways

In short, for morel mushrooms to start growing it takes 2-3 weeks of frequent:

  • Rainfall
  • Above ground temperature around 50-60°F (10-16°C)
  • Underground temperature around 50°F (10°C)

By paying close attention and keeping an eye on these key factors of the weather, you have a better chance of getting out there and finding the morel mushrooms in their absolute prime – before everyone else finds them, too!

If you enjoyed this, take a look at some other great reads about morel mushrooms!

BEST TIPS For Finding Morel Mushrooms This Season

Northwestern Morel Mushroom (Morchella) Identification

A Morel Dilemma – Picking vs. Cutting The Stem

Good luck out there, and happy hunting!

-Jessica C.

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