The Morton Arboretum opened general-public ticket sales on October 15 for Illumination, its annual outdoor holiday light exhibition. The 14th season is scheduled to run from November 14, 2026, through January 2, 2027, in Lisle, Illinois.
The Arboretum’s October 1 announcement describes 22 displays, four new large-scale installations and a new Pine Whistle Railroad model-train experience. One planned feature is a 400-foot canopy inspired by the Northern Lights. Ticket prices vary by date and time; the institution listed adult public tickets starting at $22.
Source: The Morton Arboretum, “Public tickets for Illumination at The Morton Arboretum go on sale Oct. 15 for its boldest, most captivating 14th season, returning Nov. 14–Jan. 2”, published October 1, 2026. The source sets the public-sale date and describes the announced installations, season dates and starting ticket price. The Arboretum’s current Illumination page provides current event and ticket information but does not display a publication date.
The show has not yet opened; the ticket release is the new development, while the installations remain plans for the coming season.
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