When good plants go bad: Major invasive plants of Cape Breton you can do something about.
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This document introduces several invasive plant species that threaten Cape Breton, with a focus on Angelica. It describes Angelica's characteristics like rapid spreading and ability to outcompete native plants. The direct threats from Angelica are detailed, such as damage to land and landscapes. Techniques for removing Angelica are provided, emphasizing the need to remove all seeds and flowers, and continue persistent removal efforts annually to control the spread. Other invasive plants that harm wetlands, forests and livestock are also briefly described.
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When good plants go bad: Major invasive plants of Cape Breton you can do something about.
- 1. Introduction to invasive plants of Cape Breton Focus on Angelica: an emerging threat When Good Plants Go Bad invasiveplantscapebreton 1
- 2. invasiveplantscapebreton Characteristics Deceptively beautiful Few or no natural predators Short generation time (allows them to adapt) Huge number of easily spread seeds Live in many kinds of light, soil, moisture Often have more than one way to reproduce Taller than/shade out native plants Revealing names
- 3. Hogweed Angelica invasiveplantscapebreton 2 Direct threat to human health and Property value.
- 5. invasiveplantscapebreton Angelica : Direct threat to quality of land and landscape Spreads extremely quickly.
- 6. Angelica Damage invasiveplantscapebreton Without angelica After removing angelica Early infection
- 7. invasiveplantscapebreton Early invasion of angelica: high priority to save, still many natives present Established colony
- 8. invasiveplantscapebreton 4 Hard to kill Edible Japanese Knotweed (Elephant Ears)
- 12. invasiveplantscapebreton Japanese Barberry Forest killer Suppresses re-growth Thorny Thickets Harbour Lyme Disease Ticks Erosion
- 14. invasiveplantscapebreton Priorities Avoid politics/blame Educate each other Work with your neighbor Prevent new infection research plants before buying inspect fill dirt before accepting avoid contaminating new areas Get moving (great exercise) Unspoiled areas with high numbers of natives Colonizer plants: then from outside in to larger infections Streams, lakesides, wetlands, roadsides, very windy areas
- 16. invasiveplantscapebreton Even a few hours can make a difference. Think about how many you prevent instead of how many are left.
- 17. invasiveplantscapebreton Techniques (Angelica only) Appropriate clothes/gloves/eye protection A small number of people may react work when overcast shower afterwards Work 48-72 hours after a good rain Try to pull the whole plant At least remove all seeds/flowers every year…timing is everything. Don’t leave flowers and immature seeds on stems Cut rest of plant to flat to the ground Suffocate seedlings or let them compete with each other.
- 19. Pollinated seeds need the plant’s energy To mature, so cut the stem and leaves off. Soft blooms are not yet fertile and the plant may be Pulled or cut down. invasiveplantscapebreton
- 20. Bag mature seeds and burn, do NOT send to the landfill. Seedlings: let them compete with each other. Pull the survivors or at least keep the plant from seeding. Mowing stimulates re-flowering. Pull, dig, or cut plant to the ground. invasiveplantscapebreton
- 22. invasiveplantscapebreton “There is not a moment to lose.” Capt. Jack Aubrey
- 24. invasiveplantscapebreton Follow-up field workshop Sunday Sept. 15th 2pm 1st house on Plaister Mines Road. See the Facebook page InvasivePlantsCapeBreton for more information. Please “like”. A blog of the same name is in development.
- 26. invasiveplantscapebreton Photo credits: 1 Kim Cuddington 2 Ontatio Invasive Species Council 3 http://www.naturenet.net 4 www.pittmeadows.bc.ca 5 ctnofa1982.blogspot.com 6 www.environetuk.com 7 www.invasive.org 8 http://www.stewardsofkleinstuck.org 9 www.invadingspecies.com All other photos by MB Whitcomb and David Quimby