Botanical Name: Alcea rosea (Althaea rosea)
Common Name: Hollyhock Type of Plant: dicot: biennial Character Habit of Growth: Overall Shape Clumping upright plant with long vertical spikes of broad flowers; can be grown as an annual, biennial or short lived perennial Height to 8' Spread to 3' Growth Rate Moderate Environment: Exposure outdoor full sun to partial shade Soil tolerates most any well-drained soil Hardiness Hardy – Zones 1 - 24 Morphology: Leaves large, rounded palmate leaves to 8" across, with rounded lobes and coarsely crenate margins; overall shape is cordate Flowers brightly colored single, semi-double or double petaled flowers in red, yellow, orange, white lavender or deep purple Fruit 1/2" woody capsule Propagation: seed Usage: old-fashioned biennial used toward the back of borders or beds; used for its tall flower display and vertical shape; some varieties can be persistent for several years; newer varieties are smaller and more compact Landscape Care: Watering takes moderate watering in well-drained soils – water regularly to prolong blooming season Fertilizing slow-release fertilizer in early spring Pruning cut back to the ground after flowering to produce second bloom Pests/Diseases rust can be a major issue; remove affected leaves immediately Special Conditions/Other can be attacked by snails and slugs Origin: Mediterranean region to Asia Minor Family: Malvaceae Notes: |
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