How long until container eggplants bear fruit?

Written by
Kiana Okafor
Reviewed by
Prof. Charles Hartman, Ph.D.Container eggplants have relatively predictable timelines on when they fruit based upon their type and growing conditions. Dwarf varieties typically fruit in about 50-60 days, while ordinary varieties need 70-85 days after transplant. My balcony garden consistently demonstrates same pattern: Fairy Tale begins to produce first fruits around 55 days while Black Beauty takes nearly 80 days after an initial transplant to fruit. Knowing the timelines is helpful to plan for harvest.
For me, selecting a variety makes the most difference in time. Compact varieties, such as Patio Baby, grow quite fast because they are not investing all their energy into growth, and they are smaller plants. Varieties that produce large fruit take longer to mature. I keep a garden journal for each plant, which includes notes on how environmental conditions affect its development.
Temperature Control
- Maintain 75-85°F soil temperature
- Use black containers for heat absorption
- Move pots to south-facing locations
Nutrient Management
- Apply bloom-booster fertilizer at flowering
- Use Epsom salt for magnesium support
- Avoid high nitrogen formulas
Stress Reduction
- Water consistently to prevent drought stress
- Provide afternoon shade above 90°F
- Control pests immediately upon detection
Check the skin daily to recognize ripeness. When fully ripe, fruit develops a deep color and has a glossy sheen. Dullness in skin is an indication of immaturity, whereas wrinkling indicates the eggplant is overripe. I also test firmness by giving the eggplant a gentle squeeze: when ripe, eggplant feels firm, but slightly give. The timing of your harvest can significantly change the flavor and texture of your harvest.
Environmental factors change timelines. Plants at 80°F and with 8 hours of sun fruited quicker than those at lower temperatures. I gained 10 days from having reflective panels to increase light intensity. A container can always be moved to achieve an optimal setting during the year.
Use these benchmarks to keep track of your plants' progress. They show you which flowers first and track each day or two for fruiting. Start harvesting when their skins are shiny, regardless of the size. Post your initial harvest using our gardening community hashtag.
Read the full article: How to Grow Eggplant in Containers