Winged reproductive ants flew/carried by wind to 5th floor, nested in pot. No ground trail needed.
Look up into canopy for aphids (ant food). If found, spray whole tree with horticultural oil weekly ×3.
Report results; helps others in region.
Indoor Palm Black Specks at Base: Likely Insects, Not Disease
Sarracenia and VFT Dormancy in Sweden (Zone 6, -30°C): Basement Fridge Method
Why Lavender, Sage, and Rosemary Fail Indoors and How to Grow Them Successfully Outside
Potted Jasmine Losing Leaves and White Dots: Scale Insects
Jasmine in High Desert: White Dots Not Fungus, Large Pots Cause Rot
White Tie-Dye Foliage on Rosemary and Thyme: Need Photo for ID
Ants on Flowers: Remove the Sugar Source
Ants on New Plants: Remove the Sugar Bait First
Potted Hosta Winter Dormancy in Finland: Care for Zone 6-7 Containers
Potted Arborvitae Care: Watering, Browning, and Winter Prep for Baltimore Decks
Complete Garden Startup Guide: Perennials, Vegetables, Fruit Trees
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