Plant Encyclopedia

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All categories Perennials (78)Shrubs (58)Trees (32)Ornamental grasses (9)Climbers (15)Bulbs & tubers (15)Herbs (6)Ground cover (9)Aquatic plants (3)Ferns (5)

1 plants

Broad crown of a Common Walnut with compound green foliage and ripening nuts

Trees

Juglans regia

Common Walnut

Common Walnut is a majestic tree with a broad, domed crown and aromatic, compound foliage. From late summer, the familiar walnuts ripen inside their green husks. The tree can live for centuries and yields valuable timber. The leaves contain juglone, a substance that suppresses the growth of some neighbouring plants.

Full sunMedium1000–2500 cm