Free to download
Autumn Flowers of Portland
A 24-by-36-inch field guide to what blooms around the city from September through November. Free to download, print, and share. No account, no paywall.
Download the free 24 × 36 inch PDF
Print it at a shop on 24 × 36 paper, or scale it down. The QR code on the poster points back here.
Photographs
Every flower picture is a real photograph released as public domain or CC0 (no copyright). Header: Mt. Hood Scenic Byway, U.S. National Archives. Plants: Wikimedia Commons CC0 files of Douglas aster, Canada goldenrod, pearly everlasting, common sneezeweed, Japanese anemone, dahlia, autumn stonecrop, garden chrysanthemum, sasanqua camellia, Magellan fuchsia, autumn crocus, and hardy cyclamen.
The poster layout is free to download from PicaPosy.