Michigan State University Extension
Ornamental Plants plus Version 3.0 - 00001989
11/12/99
Hypericum patulum--Goldencup St. Johnswort
Hardiness Zones: 6 to 7
Height: 3 ft Spread: 3 ft Form: rounded
Type: broad-leaved evergreen shrub
Annual Growth Rate: less than 12 inches
Flowers: Yellow
Comments: This St. Johnswort is evergreen or semi-
evergreen. In cold climates the plant may be grown as a
perennial. The 2-inch, yellow flowers are produced in mid
summer.
Cultivars:
'Hidcote' - The large, yellow flowers (Vis. 2) are
produced all summer on plants (Vis. 1) 4 feet tall and
5 feet wide.
'Sunshine' - A mounded cultivar only 2 ft high and
wide (Vis. 3).
var. henryi - A mounded, vigorous plant producing
golden-yellow flowers.
References for Cultivars: Bailey Nurseries 1999, Lake
County Nursery 1999, Weston Nurseries 1999, Princeton
Nurseries 1997, Monrovia Nursery Company 1997, Berryhill
Nurseries 1999.
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This file was generated from data base ZZ on 01/19/00.
Data base ZZ was last revised on 11/12/99.
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