Honeydew melon
Cucumis melo var. inodorus
Also known asHoneydew · White melon · Green-flesh melon · Winter melon (some regions) · Melon de miel
Environment
The bounded range this crop tolerates.
Climate and zones
- USDA zones
- 4–11 (winter low around -34°C)
- Frost
- frost sensitive (dies at first frost)
- Season
- warm (summer, frost-sensitive)
Growing systems
Root mass: heavy. Thin-channel systems can't hold this crop.
Growing media
| Medium | pH effect | Retention | Bacterial surface |
|---|---|---|---|
| Expanded clay pebbles (LECA) | neutral / inert | low | high |
| Coco coir (Coconut coir) | slightly acidic | high | moderate |
| Perlite (Expanded volcanic glass) | neutral / inert | very low | low |
| 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 | 1 | 1 | 1 | 0.8 |
| vegetative | 3 | 1 | 2 | 1.8 |
| flowering | 2 | 1 | 3 | 2 |
| fruiting | 1 | 1 | 3 | 2 |
Companion-growing notes
- Heavy uptake of nitrogen, potassium. 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
Culture is similar to cantaloupe but honeydew is slightly more demanding about heat and sugar development. Dutch bucket or large container systems with strong trellis. EC 2.0-3.5 mS/cm. pH 5.8-6.5. Temperature: 25–35°C daytime (honeydew needs more sustained heat than cantaloupe to develop full sweetness). Very high light (DLI 22-35 mol/m2/day). Hand-pollination required indoors. Train vines vertically; support developing fruits in mesh slings. Limit each vine to 2-3 fruits. Harvest timing is tricky because you can't judge by aroma: the melon is ripe when the blossom end gives slightly to gentle pressure, the skin color shifts from green to creamy yellow-white, and the spot where the melon rested on the ground turns from white to cream. Unlike cantaloupe, honeydew does not slip from the vine; cut the stem with a knife. Reduce irrigation in the final week before harvest to concentrate sugars. Each plant produces 2-3 melons. The reward for proper growing is melon sweetness that far surpasses anything available at a supermarket.
Notable varieties
| Cultivar | Type | Days | Notes |
|---|---|---|---|
| Honey Dew (classic) | open pollinated | 100 | The supermarket honeydew, smooth pale-cream skin and green flesh. Multiple commercial cultivars share the type. Sweet mild flavor. Needs 100+ frost-free days at warm temperatures to ripen properly. Stores well at room temperature once harvested. |
| Earlidew | open pollinated | 80 | Earlier-maturing honeydew for cooler climates, 80 days vs 100+ for standard types. Smaller fruit (1-1.5 kg), green flesh, good flavor. The variety to plant in zones 4-5 where standard honeydew won't finish. |
| Orange Flesh Honeydew | open pollinated | 100 | Honeydew with cantaloupe-orange flesh (anomaly within the inodorus group). Sweet, slightly different aroma profile from green honeydew. Mostly grown in California, increasingly common in US supermarkets. |
| Charentais | open pollinated | 90 | French melon, technically a hybrid type, sometimes classed with cantaloupe and sometimes with honeydew depending on source. Smooth gray-green skin, intense aromatic orange flesh. Premium fresh-eating melon, less suited to storage. Common in European market gardens. |