Helianthus tuberosus for Planting - Vegetable Plant

Helianthus tuberosus is a perennial plant species commonly known as Jerusalem artichoke. It is cultivated for its underground tubers and tall sunflower like flowering stems. The plant grows vigorously in a wide range of soil types and climates and is often used in vegetable gardens, edible landscapes, and naturalized planting areas. It produces upright stems with broad green leaves and yellow flowers during the growing season. Once established, it can regrow seasonally in suitable conditions and performs well in full sun with moderate moisture and well drained soil.

Features

• Produces edible underground tubers and yellow flowering heads
• Tall upright growth habit suitable for garden structure planting
• Adaptable to a wide range of soil and climate conditions
• Suitable for vegetable gardens and perennial landscape use
• Supports seasonal pollinator activity during flowering

Specifications

• Scientific Name: Helianthus tuberosus
• Common Name: Jerusalem Artichoke
• Seed Type / Variety: Tuber producing perennial species
• Growth Habit: Upright perennial herbaceous plant
• USDA Zones: 3 to 9
• Planting Season: Spring
• Growing Season: Spring through fall
• Sowing Season: March to May
• Germination Time and Conditions: 14 to 28 days in warm, moist, well drained soil conditions
• Sunlight Requirements: Full sun
• Soil Requirements: Well drained loamy or sandy soil
• Watering Needs: Moderate watering with consistent moisture during active growth
• Mature Plant Size: Height 180 to 300 cm, spread 60 to 90 cm
• Plant Spacing: 45 to 60 cm apart