Helianthus tuberosus
Jerusalem artichoke
Common names: topinambur, earth pear
Photo: CC BY-SA 3.0 · Source
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Description
Jerusalem artichoke is a hardy sunflower relative whose knobby tubers taste nutty-sweet and can remain in the ground throughout the winter. The plant can grow over two meters tall, blooms late with yellow flowers, and spreads vigorously—give it its own corner.
Care instructions
Plant the tubers in March or April about ten centimeters deep; thereafter, Jerusalem artichoke requires little care. When wind is strong, add a small amount of soil to the tall stems. Harvest from October as needed; when digging, deliberately leave some small tubers in the ground if you wish to preserve the crop, otherwise remove all tubers, because any forgotten tuber will sprout anew in spring.
Companion planting
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