Chayote
Sechium edule
Also known asMirliton · Christophine · Choko · Vegetable pear · Cho-cho · Chuchu
Environment
The bounded range this crop tolerates.
Climate and zones
- USDA zones
- 8–12 (winter low around -12°C)
- Frost
- frost sensitive (dies at first frost)
- Season
- warm (summer, frost-sensitive)
Growing systems
Root mass: very heavy. Thin-channel systems can't hold this crop.
Growing media
| Medium | pH effect | Retention | Bacterial surface |
|---|---|---|---|
| Soil-based mix (Potting soil) | varies | high | high |
Nutrient demand by stage
NPK ratios are relative weights. EC targets shift through the plant's life.
| Stage | N | P | K | EC (mS/cm) |
|---|---|---|---|---|
| seedling | 2 | 1 | 1 | 1.2 |
| vegetative | 3 | 1 | 2 | 1.8 |
| flowering | 1 | 2 | 3 | 2 |
| fruiting | 1 | 2 | 3 | 2.2 |
Companion-growing notes
- Heavy uptake of potassium, nitrogen. Co-grown crops with the same demand will end up deficient even at "correct" EC.
- High transpiration. Regular reservoir top-ups needed during fruiting.
Aquaponics suitability
Not recommended
Fish waste alone doesn't supply enough of what this crop demands. Grows in hybrid systems with supplemental dosing, but expect active management.
Care notes
A productive hydroponic vine crop for warm greenhouses. Propagation is unusual: plant the entire fruit (with the seed still inside) at a 45-degree angle in the growing medium with the stem end up and slightly exposed. The seed germinates inside the fruit and the vine emerges from the stem end. Large container (30 L) or media bed with strong trellis support (the vine grows 5–10 m in a season). EC 2.0-3.0 mS/cm. pH 5.5-6.8. Temperature: 20–30°C (tropical; growth stops below 15°C and frost kills the vine). High light (DLI 18-25 mol/m2/day). The vine produces small white flowers that are self-pollinating. Fruiting begins 90-120 days from planting and continues for months. Harvest fruits when they are firm and 8–12 cm long; overripe fruits become tough and fibrous. Each vine can produce 50-100+ fruits in a long season. For Latin American or Asian cooking, chayote is a useful and prolific crop. The mild flavor absorbs other flavors well, making it versatile in soups, stir-fries, and curries.