How to identify orange mold

Written by k.c. morgan
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How to identify orange mold
Identify orange mould to find the best method of treatment. (Jupiterimages/Comstock/Getty Images)

Many people think of mould as either green or black, which is common, but mould can appear in a rainbow of colours. Whether in the garden or inside the house, mould may grow in shades of red, white, yellow, blue, purple and orange. Orange mould may be difficult to spot in the garden, particularly in colourful flower beds. Identify the orange mould to determine what is causing the problem and to find the best way to treat it.

Skill level:
Moderately Easy

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Things you need

  • Thin stick
  • Garden trowel
  • Gloves

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    Orange Slime Mold

  1. 1

    Observe the colour of the mould. One particular type of slime mould is usually very bright orange in colour, though it may change to a more reddish or pinkish hue over time.

  2. 2

    Test the consistency of the mould by poking it with a stick. Orange slime mould, which grows on decayed woody materials, is very moist at first, and dries into a hard crust that will be difficult to poke through.

  3. 3

    Look inside the mould. Cut into orange mould using a garden trowel or another sharp object. The inside of orange slime mould is black.

  4. 4

    Observe the texture. Orange slime mould is lumpy in appearance, and is often compared to vomit.

  5. 5

    Wait for the mould to harden and dry completely before you remove it from the garden. To remove dried orange slime mould, put on gloves to protect your hands, then pick it up and discard it. Orange slime mould is not harmful to you or to your garden, but it is unattractive.

    Orange Peel Fungus

  1. 1

    Observe the shape of the fungus. Orange peel fungus grows cup-shaped projections that look like bowls.

  2. 2

    Look at the colour markings of the fungus. Orange peel fungus may be pale or very deeply coloured, with reddish tint mixed into the orange.

  3. 3

    Check the edges of the fungus. Orange peel fungus is prone to splitting and rarely maintains its symmetrical, bowl-like shape.

  4. 4

    Compare the inside and outside surfaces of the fungus. Orange peel fungus has a glossy sheen inside the bowl, while the outside has a duller look.

  5. 5

    Remove orange peel fungus by hand, digging it directly out of the garden. Orange peel fungus is edible, but it is not highly prized as a culinary offering.

Tips and warnings

  • Wear gloves when working with or manipulating fungus, particularly unidentified fungi.

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