MycoNote

This English version was machine-translated from Ukrainian, so a few things may read a little off.

Plums and custard (Tricholomopsis rutilans)
Photo: Jan Kops · CC0 · source
Conditionally edible

Plums and custardРядовка червона

Expert-verified

Updated June 13, 2026

Passport

Edibility
Conditionally edible
Season
Aug — Nov
Hymenophore
Gilled
Cap color
Red
Size
Small (up to 5 cm)
Smell
Floury
Reviewed
Yes ✓

Quick answers

Where to look?

Conifer forest, Mixed forest

When does it appear?

Aug — Nov

Active months: August, September, October, November.

How to recognize it? Three signs

  • Cap color: Red, Brown
  • Cap shape: Umbonate
  • Smell: Floury

Fruiting season

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

August – November

Description

The scaly knight (the Ukrainian Wikipedia article under this name mainly describes Tricholoma vaccinum — the "cow" or "herdsman's" knight) is a distinctive rusty-reddish knight of pine forests with a distinctly scaly-fibrous cap. The Latin epithet vaccinum means "of cows" (from vacca — "cow"), probably because the rough, fibrous-scaly cap surface resembles a russet cowhide. Cap 3-8 cm across, conical-convex to flat-conical, rusty chestnut-red, covered in distinctly raised fibrous scales, especially toward the margin.

Conditionally edible after mandatory boiling for 15-20 min, discarding the water. The flesh has a bitterish, astringent taste when raw and a distinct, unpleasantly mealy smell, which partly fades with boiling. Foragers rarely pick it because of its middling culinary quality — the bitterness and tough flesh make it hard to cook. Older literature lists it as "edible, 4th category"; today the advice is to limit portions or skip it altogether.

The mushroom is closely tied to pine (sometimes spruce) — a characteristic feature. It often grows in groups on the forest floor in dry pine woods on sandy soils. Season: August — November. In some regions of Europe it is listed as "mildly toxic" — in some people it causes gastrointestinal discomfort even after boiling.

The main risk is confusing it with young poisonous webcaps (Cortinarius spp.) and with similar brown/red knights. A spore print is a must the first time you pick it. If the flesh is bitter even after boiling — don't eat it; that's a sign it is less safe.

In Ukraine, the scaly knight is common in pine and spruce-pine forests: the Carpathians, Prykarpattia, Polissia, and parts of the forest-steppe. A mycorrhizal partner of Scots pine.

Cap

Cap 3-8 cm across, when young distinctly conical or bell-shaped, becoming with age flat-conical with a low, broad umbo. The cap skin is dry, fibrous-scaly with distinctly raised fine scales, especially toward the margin (where the scales are often curled back). Color rusty chestnut-red, with a darker center and a paler margin, slightly darker in wet weather. The margin is inrolled when young, with felty veil remnants.

Hymenophore

Gilled hymenophore — the gills are sinuately attached to the stem, moderately crowded, fleshy. When young — whitish, becoming with age cream-colored with distinct rusty spots on the edges and surface — a characteristic feature. Spore print white.

Stem

Stem 4-8 cm tall, 0.7-1.5 cm thick, cylindrical, hollow inside when old. Color whitish at the top, brownish-chestnut and scaly-fibrous below. The surface is dry and fibrous, with characteristic raised scales similar to those on the cap. No ring.

Flesh

Flesh thin, brittle, whitish to cream; where cut it turns pinkish or slowly takes on a brownish-red tint. Smell faintly mealy or unpleasantly musty, taste distinctly bitterish and astringent.

Smell

Faintly mealy with a hint of rotting wood, not especially pleasant.

Lookalikes

Mushrooms of the same genus and habitat — to study side by side and never mix up.

Frequently asked questions

Is it worth picking?

With restraint. Its culinary quality is low — the bitterness and tough flesh don't fully go away with boiling. Some people get gastrointestinal discomfort after eating it. In a pine wood with saffron milk caps, slippery jacks and porcini around — walk on by. If you've already picked it — be sure to boil it for 15-20 min, and keep the first portion small.

How do you tell it apart from poisonous webcaps?

A spore print is a must — Tricholoma vaccinum has a WHITE spore print, webcaps — rusty-orange. This is the key test for all rusty-brown mushrooms in pine forests. The second: young webcaps have a cobwebby cortina on the stem, the knight doesn't.

How do you cook it?

Be sure to boil it for 15-20 min in salted water, drain the water and rinse the mushrooms. Then fry it with onions, stew it, or add it to a mix with tastier mushrooms. It isn't worth a dish of its own. If the flesh stays distinctly bitter after boiling — throw it out.

Where should you look for it?

In pine and spruce-pine forests on the forest floor among moss, often in grass near old pines on sandy soils. It loves dry, sunny pine woods. It often grows in groups of 5-15.

Which regions of Ukraine is it found in?

Common in the forest zone wherever there are conifers: the Carpathians, Prykarpattia, Polissia, and parts of the forest-steppe in pine stands.

When should you look for it?

August — November, peaking in September-October. It loves dry, cool autumns.

Which mushrooms is it confused with?

With Cortinarius armillatus (red banded webcap) — a rusty-red cap, but with characteristic rusty bands on the stem and a rusty spore print. With Tricholoma imbricatum (matt knight) — larger, darker, without distinct scales. With Hebeloma spp. — a bitter, radish-like smell, rusty-brown spore print.

Is Plums and custard edible or poisonous?
Plums and custard is conditionally edible. Before eating any wild mushroom, always double-check current information in reliable sources and consult an expert.
Does Plums and custard have gills or pores?
The spore-bearing surface (hymenophore) of Plums and custard: gilled.
What does the cap of Plums and custard look like?
Cap 3-8 cm across, when young distinctly conical or bell-shaped, becoming with age flat-conical with a low, broad umbo. The cap skin is dry, fibrous-scaly with distinctly raised fine scales, especially toward the margin (where the scales…
What does the stem of Plums and custard look like?
Stem 4-8 cm tall, 0.7-1.5 cm thick, cylindrical, hollow inside when old. Color whitish at the top, brownish-chestnut and scaly-fibrous below. The surface is dry and fibrous, with characteristic raised scales similar to those on the cap.
What do Plums and custard smell and taste like?
Faintly mealy with a hint of rotting wood, not especially pleasant. Taste: bitter.

Sources

  • [1]Вікіпедія (українська)
  • [2]Атлас грибів України, Зеров Д.К. (1979)
  • [3]MycoBank Database
  • [4]Index Fungorum
  • [5]GBIF
  • [6]iNaturalist Ukraine