Ailanthus altissima

Tree-of-Heaven at Ainslie, ACT

Ailanthus altissima at Ainslie, ACT - 30 Oct 2025 05:43 PM
Ailanthus altissima at Ainslie, ACT - 30 Oct 2025 05:43 PM
Ailanthus altissima at Ainslie, ACT - 30 Oct 2025 05:43 PM
Ailanthus altissima at Ainslie, ACT - 30 Oct 2025 05:43 PM
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Identification history

Ailanthus altissima 10 Nov 2025 Tapirlord
Fraxinus sp. 30 Oct 2025 Hejor1

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Significant sighting

Tapirlord noted:

10 Nov 2025

VERY significant environmental weed. Should be removed ASAP

7 comments

Hejor1 wrote:
   10 Nov 2025
@Tapirlord where would I find guidance on removing various weeds, eg ones to be pulled vs poisoned vs something else?
Tapirlord wrote:
   13 Nov 2025
Hmmm it's a good question. I believe this one will need to be cut and poisoned, probably with Glyph. Perhaps @waltraud or @mike might be able to share some insight on this one.
waltraud wrote:
   13 Nov 2025
Hejor1
from my experience this species is hard to pull, only when very small (2 or 3 leaves) and the soil is friable; best to cut and paint/spray the cut surface.
Mike wrote:
   13 Nov 2025
Pulling them out is possible when small, https://canberra.naturemapr.org/sightings/4448885. Seedlings have horizontal roots, https://canberra.naturemapr.org/sightings/4228401, and can sucker. It looks as though this one already has a sucker. Dig it out or cut and paint with glyphosate.
lbradley wrote:
   13 Nov 2025
https://sactcg.org.au/act-weeds-manual/

Page 90-91
waltraud wrote:
   14 Nov 2025
The manual says the same...
Hejor1 wrote:
   14 Nov 2025
Ah! Thank you @lbradley

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