Bitter melon
Momordica charantia · Cucurbitaceae
The gardener's calendar
In autumn, ease off feeding and take the chance to clean up around bitter melon and prepare for winter.
ID card
- Foliage
- Deciduous
- Flowering
- June to September, yellow flowers
- Adult size
- 3 to 4 m tall in cultivation
- Growth
- Fast
- Hardiness
- Frost-tender, warm climate (13°C minimum)
- Origin
- South Asia and tropics
- Soil type
- Rich, well-drained, slightly moist
Care
Light
Place your bitter melon in full sun for optimal fruiting. It needs at least 6 to 8 hours of direct light daily. A location sheltered from strong winds is recommended to prevent damage to the climbing stems.
Watering
Water regularly and generously during growth and flowering, keeping the soil moist without waterlogging. Reduce watering during dry periods, but never let the soil dry out completely. In containers, check moisture more frequently.
Soil and nutrition
Prepare a substrate rich in organic matter (well-decomposed compost) and well-draining. Bitter melon appreciates slightly fertile soil. Loosen the soil at planting to encourage deep rooting.
Fertilizer
Apply a balanced fertilizer every 3 to 4 weeks during active growth. Moderate nitrogen supports foliage, while potassium and phosphorus promote flowering and fruiting. Reduce applications at the end of the season.
Pruning and training
Guide the stems on a support (stake, trellis, mesh) from a young age to direct vertical growth. Pinch the tips to encourage branching and better production. Remove yellowed or damaged leaves.
Diseases and pests
Watch for powdery mildew in warm, humid weather: improve ventilation and avoid wetting the foliage. Spider mites and aphids can appear in dry conditions. Regular leaf cleaning limits infestations. If problems occur, use appropriate biological control methods.
Did you know?
The bitter melon, called 'balsamier' in Creole, has been a cornerstone of Ayurvedic and Chinese traditional medicine for centuries. Its bizarrely wrinkled fruits are not poisonous, contrary to popular belief: in South Asia and Southeast Asia, they are eaten cooked when young and green, prized for their invigorating bitter flavor.
Where to buy it
Best planted in autumn so the roots settle in before summer, or in early spring once the frost has passed. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, October, November.
Add this plant to my garden →Plants from the same family
- MelonCucumis melo
- CucumberCucumis sativus
- ZucchiniCucurbita pepo
- Cucurbita moschataCucurbita moschata
- Southern ginsengGynostemma pentaphyllum
- Winter squashCucurbita maxima
Tips generated and checked by Viridia — adapt them to your local climate.