'Adolph Horstmann' rose Description
Photo courtesy of Karine ROMAN
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Lemon-yellow, pink undertones, yellow stamens. Mild fragrance. 45 to 50 petals. Average diameter 5.5". Very large, borne mostly solitary, high-centered, open bloom form. Blooms in flushes throughout the season.
Medium, upright. Medium, medium green, leathery foliage.
Height of up to 3' (up to 90 cm). Width of up to 2' (up to 60 cm).
USDA zone 6b and warmer. Can be used for beds and borders, container rose, cut flower or garden. Very vigorous. Spring Pruning: Remove old canes and dead or diseased wood and cut back canes that cross. In warmer climates, cut back the remaining canes by about one-third. In colder areas, you'll probably find you'll have to prune a little more than that.