Facts About Eggplant

The eggplant is probably a native of India, and has been cultivated for a long time. It is a member of the nightshade family, making it a close relative of the tomato, pepper and potato.

Best Climate for Eggplant:
The eggplant is a very tender plant, requiring a long, warm season for successful production. The plants are killed by light frost and are injured by long periods of chilly, frostless weather. Plants should not be set out until all danger of frost has passed.

Growing Eggplant:

Eggplant prefers organic, rich, well-drained, sandy soil for best growth. Before planting eggplant, incorporate up to 2-4 inches of well-composted organic matteror 4-6 cups of all-purpose fertilizer (16-16-8 or 10-10-10) per 100 square feet before planting. Work this into the top 6 inches of soil. The use of plastic mulch can increase the yield of eggplant by helping to warm the soil, by conserving moisture and by controlling weeds. Plants may be planted in staggered double rows on each strip of plastic. Place the plastic on 5 foot centers and allow 18 inches between plants in each of the staggered rows. Because of the need for a long, warm growing season, it is best to use transplants. These may be purchased or started in peat pots or pellets 8 to10 weeks before the anticipated planting time.

Applying Fertilizer and Lime for Eggplant:

Lime and fertilizer applications are best based on a soil test. In general, two pounds each of actual nitrogen, phosphorus (P2O5) and potash (K2O) per 1,000 square feet of garden space is adequate. An additional application of one pound of actual nitrogen per 1,000 sq. ft. after the fruit has set may be helpful to maintain plant development. Apply lime only if indicated by soil test results; pH should be maintained between 6.0 and 6.8.

Insects, Mites and Diseases that affect eggplant:

Insect and mite pests of eggplant include flea beetles, Colorado potato beetle, aphids and spider mites. Potato flea beetles eat small holes in leaves and can be particularly serious on small plants. Colorado potato beetle adults and larvae feed on eggplant leaves and can completely defoliate small plants if not controlled. Four-year rotations with non-related crops and the use of plants grown from disease-free seeds will help control some eggplant diseases. A particularly damaging disease in eggplant is Verticillium wilt, which can cause stunting in plants and interveinal yellowing, wilting and dying of leaves. Avoid tomatoes, potatoes, peppers, okra, raspberries or strawberries in rotation with eggplant.

Harvesting Eggplant:

The fruits of the eggplant are edible from the time they are one-third grown until ripe. They remain edible for several weeks after they become colored and fully-grown. Skin should be shiny; seeds inside should not be brown or hard. Harvest will continue over an extended period if the fruit are removed when they are well-colored and of adequate size.

Cut the fruits from the plants, leaving large calyx (cap) and a short piece of stem on the fruit. Plants of most cultivars have sharp spines, so care is necessary when harvesting eggplant to prevent injury.

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If you enjoyed this post you might also be interested in a previous titled … Eggplant is Native to India.

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Picking (harvesting) Eggplant

You can begin harvesting eggplant(the common large variety) when the fruit are about 6 to 10 inches long and dark black in color. Eggplants come in many shapes, sizes and colors so the actual harvesting time will vary depending on the variety. If the fruit becomes too large, they tend to be seedy and bitter. Avoid the thorns on the stems by using gloves and a pair of pruning shears to cut the eggplants from the stems. Eggplants can be washed but should not be refrigerated. Temperatures below 50ºF will cause decay and shriveling of the fruit.