Invasive Plant of the Month: English Ivy
English ivy, also known as Hedera helix, is a plant native to Europe, western Asia, and northern Africa, introduced to Canada in the 1800s as an ornamental plant.
Ontario has 441 known invasive plant species, with English ivy being one of them. Invasive plants can have severe consequences, including reducing crop yield, increasing herbicide use, and competing with tree seedlings, ultimately affecting forest regeneration and species diversity.
Invasive plants also pose a threat to human health, with species like toxic giant hogweed and wild parsnip. Additionally, recreation areas overrun by invasive plants can become less enjoyable due to increased tick populations, dense growth, and reduced wildlife presence.
English ivy can reduce available resources in natural areas, affecting species diversity and health.
- Reduces crop yield and increases herbicide use
- Competes with tree seedlings, affecting forest regeneration
- Affects species diversity and health in natural areas
- Poses a threat to human health
- Decreases enjoyment of recreation areas
Author's summary: English ivy is a harmful invasive plant affecting Canada's ecosystem.
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