A British Columbia homeowner shares an urgent warning about the invasive tree of heaven, a species that can quickly take over yards and outcompete local plants. The poster advises people to act quickly if they spot the shoots, as early removal is key. The tree of heaven, also known as stinking sumac or Chinese sumac, is an aggressive invasive species that can produce up to 300,000 seeds annually, threatening ecosystems. It resembles native species like the black walnut but can be identified by its clusters of winged, light-green seed pods and fuzzy, reddish-brown twigs. The Nature Conservancy highlights its ability to crowd out local plants and secrete toxic chemicals. Removal methods include hand-pulling seedlings before the taproot grows. Once established, these species become challenging to control, making early removal a crucial landscaping practice. Homeowners can protect their landscapes by planting native species, which support biodiversity, reduce lawn maintenance, and conserve water. Commenters share their experiences with the tree of heaven, noting its resilience and the difficulty of complete removal. The homeowner's warning serves as a reminder of the importance of proactive measures to prevent the spread of invasive species.