Season
Spring

The mushroom season starts long before the first leaves appear on the trees. Spring (April — May) is a unique time in mycology, because mushrooms take the stage that you won't meet in summer or autumn.
Most spring mushrooms belong not to the familiar basidiomycetes (mushrooms with gills or pores) but to the sac fungi (ascomycetes), which have bizarre, "brain-like" or cup-shaped forms.
24 species in the database.
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Agaricus comtulus
Edible
Agaricus subperonatus
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Agaricus tabularis
Edible
Aleurodiscus amorphus
Inedible
Amphinema byssoides
Inedible
Amylocorticium cebennense
Inedible
Amyloporia sinuosa
Inedible
Anomoporia bombycina
Inedible
Artist's bracket
Ganoderma applanatum
Inedible
Black morel
Morchella conica
Conditionally edible
Branching oyster
Pleurotus cornucopiae
Edible
Button mushroom
Agaricus bisporus
Edible
Chicken of the woods
Laetiporus sulphureus
Edible
Common bonnet
Mycena galericulata
Inedible
Common ink cap
Coprinopsis atramentaria
Conditionally edible
Common morel
Morchella esculenta
Conditionally edible
Common stinkhorn
Phallus impudicus
Edible
Deadly fibrecap
Inocybe erubescens
Deadly poisonous
Deer shield
Pluteus cervinus
Edible
Devil's urn
Urnula craterium
Inedible
Discina ancilis
Conditionally edible
Dryad's saddle
Cerioporus squamosus
Edible
Dune stinkhorn
Phallus hadriani
Edible
Early false morel
Verpa bohemica
Conditionally edible
The main spring trophies (and dangers)
According to Roger Phillips, the spring forest hides both the finest delicacies and treacherous poisons:
1. Morels (Morchella): The kings of spring. Their cap looks like a honeycomb or a sponge. These are fully edible, incredibly tasty (and expensive) mushrooms. They appear in April-May in sun-warmed clearings, old apple orchards and on forest fire sites (black morel). They are always hollow inside.
2. False morels (Gyromitra): The deadly danger of spring. A false morel's cap looks like crumpled fabric or a brain (without regular honeycomb cells). The False morel contains gyromitrin — a toxin that acts similarly to rocket fuel and is not always fully removed even by repeated boiling. In Europe, picking them is strictly prohibited.
3. St George's mushroom (Calocybe gambosa): Appears in May (often around St George's Day, hence the name). It's a firm, white gilled mushroom that grows in "fairy rings" in meadows and has a very strong smell of fresh flour.
4. Spring pinkgill (Entoloma vernum): A poisonous gilled mushroom that inexperienced foragers often confuse with edible May mushrooms.
Why do they grow in spring?
Spring mushrooms need very specific conditions: the ground must be thoroughly soaked with meltwater, but the sun must warm it up sharply. That's why morels often grow on sandy soils or at forest edges, where the snow melts first and the ground warms quickly.
As soon as the real summer heat sets in and the ground dries out, the mycelium of spring mushrooms goes dormant until the next April.
Questions and answers
Can you pick honey fungus in spring?
Sources
- 1.Зерова М.Я. та ін. Визначник грибів України. 1979
- 2.Roger Phillips. Mushrooms (Roger Phillips)
- 3.David Arora. Mushrooms Demystified
- 4.Index Fungorum