Developed in 1990 by Tim Peters, gets its name from the Umpqua River in Oregon. Handsome uniform dark-green 5–6″ heads. A great producer of abundant side shoots over a long harvest window, Umpqua is an ideal home-garden variety for the fall.
Care: Plant 20-30″ apart in rows 24-36″ apart in full sun, cool moist soil.
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