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The Daily Insight

How do you fertilize eggplant

Author

Rachel Hunter

Published Mar 24, 2026

Eggplant requires moderate amounts of fertilizer. Mix 1 inch or so of well-rotted manure or a general fertilizer such as 5-10-10 throughout the planting bed about a week before planting. (Apply 2 to 3 pounds per 100 square feet.

What is a good fertilizer for eggplant?

A balanced fertilizer (10-10-10) is often recommended for eggplant. Feeding too much nitrogen at this point can result in large, leafy plants that fail to produce fruit.

How do I get my eggplant to produce more fruit?

If you have poor fruit set, hand-pollinate the flowers to help increase production. Use an electric toothbrush to vibrate to flower stems (not the flowers themselves) for a few seconds each to help the pollen move within the flowers. 9. The more frequently the fruits are harvested, the greater the fruit set.

When should I fertilize eggplant?

Fertilize weekly with a soluble fertilizer. Until the plants start to flower use a balanced fertilizer with a 1-1-1 ratio such as 20-20-20 or 20-30-20. Once flowering starts switch to a high potassium blend such as 9-15-30 or any fertilizer with a 1-1.5-3 or 4 ratio.

How do you make eggplant grow faster?

  1. Try growing small-fruited eggplant varieties. …
  2. Start seeds late. …
  3. Anticipate eggplant flea beetles. …
  4. Invite native pollinators. …
  5. Provide timely feedings.

Does adding fertilizer affect the growth of eggplant?

The combined application of organic fertilizers such as bokashi and inorganic N-fertilizer likely enhances eggplant growth and productivity.

What nutrients do Eggplant need?

  • Calories: 20.
  • Carbs: 5 grams.
  • Fiber: 3 grams.
  • Protein: 1 gram.
  • Manganese: 10% of the RDI.
  • Folate: 5% of the RDI.
  • Potassium: 5% of the RDI.
  • Vitamin K: 4% of the RDI.

How much water do eggplants need?

Watering. Eggplant also needs consistent water, at least 1 inch per week. It is better to give one thorough soaking than several frequent, short waterings, because frequent watering promotes shallow roots. Weather and soil type, of course, will affect water demand.

Is urea good for eggplant?

Eggplant require a great amount of nitrogen. … Urea is the most commonly used as the source of nitrogen by farmers due to its high nitrogen content (46%) (Lingga and Marsono, 2008). Agbo et al. (2012) suggests that nutrient in inorganic fertiliser is capable of increasing soil productivity for a short time.

Is Epsom salt good for eggplants?

As the plant matures, a light bi-weekly foliar spray will work – 1 tablespoon of Epsom Salt per gallon of water. You can also work in a tablespoon of Epsom Salt per foot of plant height around the base of tomato plants, slightly less in eggplant and Peppers. Flowers, shrubs, and even lawns will benefit from Epsom salt.

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Why are my eggplants not fruiting?

Eggplants become stressed and stop producing fruit for several reasons, mainly insufficient water and temperatures above 90°F (32°C). Aside from dry conditions, flowers could be dropping because of cold weather, pollination issues, soil deficiencies, or pest damage.

How do I get my eggplant to flower?

Waiting to plant your eggplant seedlings outdoors until nighttime temperatures are consistently higher than 60 degrees Fahrenheit helps the plant produce more blossoms and hold onto those that do develop. Eggplant blossom and fruit production also slow when temperatures stay above 75 F overnight.

How do you care for potted eggplant?

Plant one eggplant per container, 2-gallon minimum. Fill the container with a high quality potting soil that will drain quickly. Add a balanced, slow-release fertilizer at planting and then every few weeks during the season, especially when plants start to bloom. Water deeply and consistently, but don’t overwater.

How do you take care of eggplant plants?

Water regularly, especially when the plants are young so that they develop deep roots. Avoid overhead watering to prevent disease, but consider using mulch to keep soil moist, warm, and to keep weeds down. Generally, eggplants should get an inch (2.5 cm.) of rain or watering per week.

How do you grow large eggplants?

Space eggplant 24 to 36 inches apart and stake them once established to prevent toppling. Choose an area with abundant sunlight and fertile, well-drained soil. Improve native soil by mixing in several inches of aged compost or other rich organic matter. Keep soil moist but not soggy—soaker hoses are a great option.

Do eggplants need to be pruned?

As eggplant is in the nightshade family, pruning eggplant plants is beneficial to fruit growth, similar to pepper plants or pruning tomato plants. … Afterward, consistently prune through the growing season with a pair of hand shears. The sprouts that grow between the central stalk and leaf nodes are called suckers.

Why are my eggplants so small?

Why are my plants so small and growing slowly? Eggplants are sensitive to the cold. Either a transplant has been planted into cold soil, or a young plant has experienced cold weather, or a transplant that became root bound before being planted may be stunted for a short while or for the full growing season.

Should I pinch off eggplant flowers?

Pruning Eggplant Suckers Even if you don’t want to cut back your eggplant drastically, it’s a good idea to remove suckers. … Pinching off these suckers when they‘re small will allow the plant to focus more of its energy on fruit production, resulting in larger, more impressive eggplants.

What is the best organic fertilizer for eggplant?

Start by working lots of compost into the soil, plus 2 to 3 pounds of a complete fertilizer like 15-5-10 per 100 sq. ft. If you prefer, use an organic fertilizer like blood meal, well-rotted manure, cottonseed meal or bat guano. Burpee’s Big Boy Tomato Food is also super for eggplants.

Is chicken manure good for eggplant?

An organic fertilizer such as dried chicken dung or any other type of manure makes a good fertilizer for starting your eggplants. Manure fertilizers are processed so that there is no odor that can emanate from your garden.

Is fish fertilizer good for eggplant?

Summer fruiting crops such as tomatoes, peppers, and eggplants will benefit from a side-dressing of organic fertilizer when they first set fruit and every 4 to 6 weeks thereafter. An alternative is to water in a dilute solution of fish emulsion, seaweed extract, or kelp meal every 10 days.

What is complete fertilizer?

A complete fertilizer is a fertilizer blend or mix that contains the three main plant nutrients: nitrogen (N), phosphorus (P), and potassium (K), in the forms of potash, phosphoric acid, and nitrogen. On a complete fertilizer label, the ratios of these primary plant nutrients are revealed as the product’s N-P-K ratio.

What is urea fertilizer?

Urea is an inexpensive form of nitrogen fertilizer with an NPK (nitrogen-phosphorus-potassium) ratio of 46-0-0. Although urea is naturally produced in humans and animals, synthetic urea is manufactured with anhydrous ammonia.

Is calcium nitrate good for eggplant?

Plants That Benefit from Calcium Nitrate Fertilizer You can use calcium nitrate fertilizer sprays for most plants. Typically, fruit trees or vegetable plants benefit from calcium and nitrogen fertilizers. Some examples are apples, citrus trees, peppers, lettuce, eggplants, broccoli, and spinach.

How do you use urea fertilizer on eggplant?

Apply Urea at a rate of 1 tablespoon/gallon of water at 7 days after emergence. Sprinkle water on the seedling immediately after applying the fertilizer to avoid burning of leaves. 6. Harden the seedling by watering the seedbeds only when plants show temporary wilting.

What is NPK fertilizer?

Every label carries three conspicuous numbers, usually right above or below the product name. These three numbers form what is called the fertilizer’s N-P-K ratio — the proportion of three plant nutrients in order: nitrogen (N), phosphorus (P) and potassium (K).

What is the best time to water eggplants?

The best time to water your eggplants is in the early morning or in the evening, when temperatures are cool and evaporation rates are relatively low. Early morning is slightly preferable because daylight can evaporate water from wet leaves, preventing fungus.

What do you spray on eggplant leaves?

A variety of chemical insecticides are labeled for flea beetles. Organic options are neem oil, garlic-based sprays, rotenone, pyrethrins and Pyola (a canola oil and pyrethrins combo from ) You might need to spray every week or so through August, when flea beetles taper off for the season.

Is vinegar good for plants?

Though vinegar can be fatal to many common plants, others, like rhododendrons, hydrangeas and gardenias, thrive on acidity which makes a bit of vinegar the best pick-me-up. Combine one cup of plain white vinegar with a gallon of water and use the next time you water these plants to see some amazing results.

Is baking soda good for plants?

Baking soda on plants causes no apparent harm and may help prevent the bloom of fungal spores in some cases. It is most effective on fruits and vegetables off the vine or stem, but regular applications during the spring can minimize diseases such as powdery mildew and other foliar diseases.

How do you add potash to soil?

Potash doesn’t move in soil so if you want to sprinkle it into the root zone, you have to till it into the root zone. On average, you should have 1/4 to 1/3 pound of potassium sulfate or potassium chloride per 100 square feet. To increase the potassium content in your soil, add wood ash to your compost heap.