How to Grow Bitter Melon | Growing Bitter Gourd in Pots

    Like cucumber, melon, or pumpkin, it belongs to the gourd family. A native of the Indian subcontinent, it is used in many Asian delicacies! Let’s look at How to Grow Bitter Melon the right way!

    USDA Zones: 6-11

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    Common Names of Bitter Melon

    African Cucumber, Ampalaya, Balsam Pear, Balsam-Apple, Balsambirne, Balsamo, Bitter Apple, Bitter Cucumber, Bitter Gourd, Bittergurke, Carilla Fruit, Carilla Gourd, Cerasee, Balsam Pear, Balsam-Apple, Balsambirne, Balsamo, Bitter Apple, Bitter Cucumber, Bitter Gourd, Bittergurke, Carilla Fruit, Carilla Gourd, Cerasee, Chinli-Chih, Cundeamor, Fructus Mormordicae Grosvenori, Karavella, Kathilla, Karela, Kareli, Kerala, Kuguazi, K’u-Kua, Lai Margose, Melón Amargo, Melon Amer, Momordica, Momordica charantia, Momordica murcata, Momordique, Pepino Montero, P’u-T’ao, Sorosi, Sushavi, Vegetable insulin, and Wild Cucumber.

    Best Bitter Melon Types and Varieties

    There are two types of bitter melons. One is from India, which is smaller in size and has spiny skin, and the other is from China. Chinese bitter melons are milder in taste, generally large and smoothly ridged.

    If you want a higher yield, choose the hybrid variety and if you want great taste, go for an heirloom variety.

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    Bitter Melon (Bitter Gourd) Information


    This short-living tropical perennial climber with thin stems can grow up to 5 meters in length. Like other plants in this family, it needs support. The stem and lobed leaves are hairy, which helps the plant to climb easily. Bitter melon produces yellow flowers, male and female, which insects pollinate.

    The unique bitter-tasting fruits are picked unripe when they are still green or slightly pale. They have delicate skin and can be eaten after cooking. The flesh somewhat resembles a cucumber and contains large crunchy seeds inside.

    Learn about the best Asian vegetables you should grow here

    How to Grow Bitter Melon?

    How to Grow Bitter Melon 2
    shutterstock/Jahangir Alam Onuchcha

    Germination is not difficult, but there are some tricks to make it faster.

    Seeds germinate slowly in 3-4 weeks if you directly sow them without pre-treatment, especially at low temperatures. But to increase the germination rate and speed, you have to scarify them to remove the seed coat.

    For this, rub the seeds from one side without doing any damage to the endosperm inside the seed coat. Soaking seeds for 24 hours in water before sowing will also help.

    Planting Bitter Melon

    shutterstock/Criniger kolio

    Sow seeds 2 cm deep, directly into the ground or in the containers, but only when the risk of frost has passed, and the soil warms up enough. Seeds require a temperature above 70 F (20 C) for germination.

    The best seed sowing time in temperate regions is summer, usually between late April and May. Whereas in the tropics (USDA Zone 10, 11), you can start seeds anytime.

    How to Grow Bitter Gourd in Pots?

    Growing bitter gourd (bitter melon) in pots is easy. Similar to squashes, cucumbers, and melons. You’ll need a 12-16 inches deep pot and a sturdy trellis. However, the bitter melon vine can grow more than 5 m (16 feet) long.

    A trellis or any other support structure at least 5-6 feet tall is required. Once the vine has reached that height, you’ll have to redirect it.

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    Requirements for Growing Bitter Melon

    This plant is cultivated in the same manner as squashes, melons, or cucumbers. However, the fruits are not heavy!

    Provide full sun to this vine, and it will produce profusely. Also, as it is a tall vine, you will need to support it with a tall trellis or a garden fence.

    If you want to grow it on your patio, terrace, or balcony, grow it near the wall so it can go up along.

    It tolerates a wide range of soils but prefers permeable, sandy loam soil rich in organic matter. Bitter melon grows in slightly acidic to slightly alkaline soil. The pH range of around 6 to 7.1 is ideal.

    It can tolerate drought-like conditions for a short time, but regular watering to keep the soil evenly moist is essential to ensure a good yield.

    In the initial growth phase, bitter gourds require a temperature of more than 70 F (20 C). Humid and warm temperatures accelerate the growth of the plant.

    It is more resistant to low temperatures than other plants of this family but requires hot temperature and humidity to grow, especially in the beginning.

    Bitter Melon Plant Care

    Overusing nitrogen-rich fertilizers should be avoided, which could encourage foliage development at the expense of fruits.

    When planting, you can mix slow-release fertilizer in the soil. Enriching the soil with compost or well-rotted aged manure and regular organic matter inputs will be enough later.

    Still, if your plant is not growing well, you can feed it with liquid fertilizer once a month.

    Bitter gourd perks up very quickly, and within two weeks after planting, you must arrange something to support it. You can also grow this vine on pergolas, arches, or mini arbors.

    Growing bitter gourd vertically increases the yield and fruit size; moreover, in the case of growing horizontally on the ground, there is a high risk of fruit rot and fungal infection to the plant.

    The plant produces numerous side shoots, which must be removed to improve yield. Remove the side shoots (lateral branches) until the runner reaches the top of the trellis.

    Leave only 4–6 laterals and cut the tip of the main runner to improve the productivity of the plant.

    Pollinators like bees do the pollination for you, be kind to them. If you don’t find pollinators around the flowers, you may need to hand pollinate them in the morning.

    Pests and Diseases

    It is prone to diseases like watermelon mosaic virus, other cucurbit diseases, and powdery mildew. In pests, it gets affected by aphids and spider mites.

    Want to make organic insecticide at home? Click here

    Harvesting Bitter Melon

    shutterstock/Niney Azman

    Bitter melon starts to fruit in 2-3 months. Harvest fruits when green, a little pale, unripe, and about the size of 3 to 6 inches (depending more on the variety and type).

    Within 6 to 8 weeks after germination, you’ll see the blossoms, and in the next 2-3 weeks, fruits will appear and ready to be picked.

    Check out the steps of growing watermelon radish here

    This content was originally published here.

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