- Botanical Name:Helianthus tuberosus
- Height:6 – 9 feet.
- Spacing:18 – 24 inches between plants, 3 — 4 feet between rows.
- Depth:4 – 5 inches.
- Spread:Will continue to spread year after year unless all tubers are removed from the ground.
- Light Required:Full Sun
- Pollinator:Self pollinating.
- Yield:Up to 5 bushels per 100 foot row.
- Size:2 Lb
- Blooms:Early to mid Fall.
- Days To Maturity:120 Days
- Form:Perennial. Upright.
- Flower Form:Ray florets up to 4″ across.
- Soil Requirements:Deeply worked, rich, well-drained soil.
- Growth Rate:Fast.
- Pruning:None necessary.
- Foliage:Oblong to lance shaped leaves that are course and hairy.
- Comments:Quality deteriorates if tubers left undisturbed in the ground. You must dig up and replant in fertile soil. 4+ months to maturity for harvest.
Knobby tubers have a crisp texture, much like that of water chestnuts. Slice raw into salad or cook—tasty boiled, baked or fried, with a flavor similar to potatoes. Just 7 calories per 100-gram serving! Perennial—harvest fall to spring, store for 2 months. 2 lbs.