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Root Rot in Mammillaria

How to identify and treat root rot in Mammillaria.

potted_plant

Mammillaria care requirements

water
Water thoroughly during growing season (spring/summer), allowing soil to dry between waterings. Reduce watering significantly in winter to almost dry conditions.
soil
Gritty cactus mix with added perlite or coarse sand to ensure excellent drainage.
light
Bright indirect to full sun. Provide 4–6 hours of sun daily; intense afternoon sun in hot climates can cause fading.
symptoms

Symptoms to look for in Mammillaria

  • fiber_manual_recordBrown, mushy roots
  • fiber_manual_recordWilting despite moist soil
  • fiber_manual_recordYellowing leaves
  • fiber_manual_recordFoul odour
help

Common causes in Mammillaria

Caused by Pythium, Phytophthora, or Fusarium species in waterlogged conditions.

healing

How to treat root rot in Mammillaria

Remove plant, trim rotted roots, treat with hydrogen peroxide, repot in fresh well-draining soil.

shield

Preventing root rot in Mammillaria

Never overwater. Ensure drainage. Avoid compacted soil.

Root Rot in Mammillaria — Symptoms & Treatment | GreenScout