Hop Plant – Humulus

Humulus lupulus is the hop plant, grown for beer-making. It has deeply toothed leaves and these, and its stem, are slightly prickly and adhesive. This helps it to climb. Male and female flowers, both green, are produced on separate plants. It is a hardy perennial, and climbs up to 6 m (20 ft) by twining.

Hop Plant - Humulus

H. japonicus, the Japanese hop, grows even faster— 9m (30 ft) or more in a summer. It is not usually hardy in this country, and is best gown as an annual. It is good for giving quick cover for an ugly fence or building. It flowers from July to September. General care: Humulus likes a well-manured, well-drained soil, in sun or semi-shade. Provide vertical support for climbing.

Propagation: Sow the seeds in spring where the plant is to grow.

Pests and diseases: Powdery mildew can be treated by dusting with sulphur.

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