Where it's in season
September
Peak nowComing into seasonEnding soonAvailable longerOut of season
Faintly-shaded regions don't have seasonality data for this item yet.
Sources & confidence
A seasonal guide, not a live inventory — see each region's source below. "Verified" means confirmed by a real Grano producer, market, or authoritative local source; other levels are regional or general agricultural knowledge.
Great Lakes · Regional estimate · General Midwest horticultural/extension consensus (multiple university extension programs agree on these approximate windows; not independently verified against one named document this session)
Grano Network
5 producers · 0 open restaurant requests

Winterspring Farm
Arugula · Milwaukee, WI
Documented by Grano

Johnson’s Backyard Garden (JBG)
Arugula & Eggplant · Austin, TX
Documented by Grano

Growing Home
Baby Salad Mix & Arugula · Chicago, IL
Documented by Grano

Star Farm Chicago
Potatoes, Onions, Arugula & Radishes · Chicago, IL
Documented by Grano

The Talking Farm
Kale, Arugula & Spinach · Skokie, IL
Documented by Grano