Weedbusters

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    • Who are Weedbusters?
  • What Are Weeds?
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What Are Weeds?

Weed List

  • Weed List
  • Controlling Weeds
    • Controlling Pest Shrubs & Trees
    • Controlling Pest Vines
    • Controlling Pest Herbs & Ground Covers
    • Controlling Pest Grasses
    • Controlling Pest Aquatic Weeds
  • Disposing of Weed Waste
  • Banned Plants

Popular Links

  • Weed List
  • Weed Quiz
  • Weedbusters Near You

Browse weeds by alphabet

a b c d e f g h i j k l m n o p q r s t u v w x y z

Common name starts with "O"

  1. Old man’s beard

    Old man’s beard

    Botanical Name: Clematis vitalba

    Family: Ranunculaceae (buttercup)

    More...

  2. Onion weed

    Onion weed

    Botanical Name: Allium triquetrum

    Family: Liliaceae (lily)

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  3. Orange cestrum

    Orange cestrum

    Botanical Name: Cestrum aurantiacum

    Family: Solanaceae (nightshade)

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  4. Orange firethorn

    Orange firethorn

    Botanical Name: Pyracantha angustifolia

    Family: Rosaceae (rose)

    More...

  5. Weed image placeholder

    Oxylobium

    Botanical Name: Callistachys lanceolata

    Family: Fabaceae (pea)

    More...

Weedbusters

  • Who are Weedbusters?

What Are Weeds?

  • Weed List
  • Controlling Weeds
  • Disposing of Weed Waste
  • Banned Plants

Get Involved

  • Become a Weedbuster
  • Weedbusters Near You
  • Weed Quiz

Resources

  • How to…
  • Weedbusting Guide
  • Plant Me Instead Booklet
  • Using Weedbuster photographs
  • Useful Links

Contact Us

  • Home
  • Contact Us

© 2025 Weedbusters • Website by RS

  • Home
  • Weedbusters
    • Who are Weedbusters?
  • What Are Weeds?
    • Weed List
    • Controlling Weeds
      • Controlling Pest Shrubs & Trees
      • Controlling Pest Vines
      • Controlling Pest Herbs & Ground Covers
      • Controlling Pest Grasses
      • Controlling Pest Aquatic Weeds
    • Disposing of Weed Waste
    • Banned Plants
  • Get Involved
    • Become a Weedbuster
    • Weedbusters Near You
    • Weed Quiz
  • Resources
    • How to…
      • Raise Weeds Awareness
      • Organise a Weedbusters Event
    • Weedbusting Guide
    • Plant Me Instead Booklet
    • Using Weedbuster photographs
    • Useful Links
  • Contact Us
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