Jerusalem Artichoke Seeds - Vegetable Plant

Jerusalem artichoke seeds grow into tall, sunflower-like perennial plants valued for their vigorous growth and adaptability. Botanically related to sunflowers, these plants develop strong stems and broad leaves, producing underground tubers in suitable conditions. They are adaptable to a wide range of temperate climates and are commonly grown in open garden areas, backyard plots, and naturalized spaces where taller plants are appropriate.

Features

• Perennial plant with tall, upright growth

• Adaptable to varied soil types with good drainage

• Suitable for garden beds and open landscape areas

• Tolerant of cool and temperate growing conditions

Specifications

• Scientific name: Helianthus tuberosus

• Common name (US): Jerusalem Artichoke, Sunchoke

• Seed type / variety: Species

• Growth habit: Tall, upright perennial

• USDA hardiness zones: 3–9

• Planting season: Spring

• Sowing season:

  • Zones 3–5: May to June

  • Zones 6–9: April to May

• Germination time and conditions: 10–20 days; soil temperature 65–75°F, evenly moist

• Sunlight requirements: Full sun

• Soil requirements: Well-drained loam or sandy soil

• Watering needs: Moderate; consistent moisture during early growth

• Mature plant size: 6–10 feet tall, 3–5 feet spread

• Plant spacing: 18–24 inches apart