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This plant is said to grow outdoors in the following regions:
Royal Oak, Michigan
Fremont, Ohio
Orrville, Ohio
Kalama, Washington
Plant: 15 in. (38 cm) diameter, 12 in. (30 cm) high; Leaf: 10 in. (25 cm) long, 2 in. (4 cm) wide; 4 pairs of veins; bright yellow...Read More; Scape: 18 in. (46 cm) long; Flower: Iowa - early July - late July; [Hybrid of H. 'Subcrocea']
O'Harra 1991.
Plant: 15 in. (38 cm) diameter, 12 in. (30 cm) high;
Leaf: 10 in. (25 cm) long, 2 in. (4 cm) wide; 4 pairs of veins; bright yellow...Read More
O'Harra 1991.