Pyrethrum vs Tea
Both are Plantation. Each axis is a percentile across all 538 crops — 80 means higher than four-fifths of the table. Where an axis is missing, the crop genuinely is not measured that way.
Pyrethrum
Tea
| Measure | Pyrethrum | Tea |
|---|---|---|
| Season | Perennial | Perennial |
| Sowing window | Sep–Oct | Jun–Aug (planting) |
| Days to harvest | 2–3 yr | 3–4 yr to pluck |
| Spacing | 45 × 30 cm | 1.2 × 0.75 m |
| Soil pH | 5.5–7.0 | 4.5–5.5 |
| Water | 800–1200 | 2000–2500 |
| Temperature °C | 10–22 | 18–30 |
| Seed rate | Splits | 13 k plants |
| Yield | 0.8–1.5 t | 2–3 t made tea |
| Watch for | Aphid, root rot | Red spider mite, blister blight |