elderberry
Answered from our own 538-crop reference and 24,425 guides. No figure is invented — every number traces to that reference, and every passage below is quoted from a guide published here.
From our crop reference
Elderberry is a berry crop, a perennial. Sow it in Jan–Feb and expect to harvest in 2–3 years. It wants a pH of 5.5–7.5 (close to neutral) and 5–26°C. Plant at 300 × 180 cm. A good crop returns around 8–14 t. Watch for aphid, borer.
Growing Elderberry
Found by keyword match. Nothing above was generated — every sentence is quoted from a published guide, and every figure comes from the 538-crop reference.