About This Plant
Persimmon (Diospyros kaki) is a deciduous fruit tree in the Ebenaceae family, native to China and cultivated across East Asia for millennia. Trees reach 6-9 m tall with a broad spreading canopy of 4.5-7.5 m. Grafted cultivars bear fruit in 3-5 years, producing large orange fruits (150-400 g) from September to December. Highly potassium-demanding with a K:N ratio near 1.7:1 for bearing trees, rising to 3.7:1 during fruit development. Sensitive to excess nitrogen which causes premature fruit drop. Prone to iron chlorosis on alkaline soils. Requires 100-400+ chill hours depending on cultivar. USDA zones 7-10. Global production exceeds 4.8 million tonnes annually, led by China (72%).
How to Grow Persimmon
Learn how to grow Persimmon from seed to harvest in 180 days. Advanced difficulty. Complete nutrient guide, pH/EC requirements, and growing conditions for soil & container.
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Nutrient Requirements by Growth Stage
Persimmon is strongly potassium-dominant with bearing-tree K:N ratios of 1.7-2.0:1, rising to 3.7:1 during fruit development. The most critical nutrition principle is to reduce nitrogen after bloom — excess N causes premature fruit drop, the most common fertilization error…
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Growing Environments
Persimmon is primarily an outdoor tree requiring full sun and winter dormancy (100-1000 chill hours depending on cultivar). Indoor growing is not suitable due to space requirements (6-9 m height), high light demands, and the absolute need for seasonal cold exposure…
Temperature
Persimmon grows across a wide temperature range of 8-35C with an optimal daytime temperature of 23C (18-27C range). Seeds require 60-90 days cold stratification at 3-5C before germinating at 20-30C. Established trees tolerate winter lows to -17.8C when fully dormant (USDA zones 7-10) but are damaged by late spring frosts during bloom. Chill hour requirements vary by cultivar: Fuyu needs 100-200 hours below 7.2C, while Hachiya requires 200-400 hours. In subtropical regions, insufficient chilling causes delayed foliation, erratic bloom, and poor fruit set. High temperatures above 35C during fruit development cause sunburn damage and physiological fruit drop. The effective base temperature for breaking dormancy is approximately 7.2C, with optimum chilling accumulation at 2-6C.
Humidity
Persimmon is adapted to a wide humidity range of 30-80% with an optimal of approximately 55%. The species thrives in both semi-arid Mediterranean climates (Spain, California) and humid subtropical regions (southeastern US, southern Japan, Queensland)…
Light
Persimmon is a full-sun deciduous fruit tree requiring 6-8+ hours of direct sunlight daily for optimal fruiting, corresponding to a daily light integral (DLI) of approximately 22 mol/m2/day and a peak PPFD of 500 umol/m2/s. Insufficient light results in poor fruit set, reduced sugar accumulation, and delayed color…
Airflow
Adequate air movement (0.3-1.5 m/s) through the persimmon canopy is essential for disease prevention and fruit quality. Good airflow reduces leaf wetness duration which directly limits infection periods for Mycosphaerella nawae (circular leaf spot, requiring >12 hours wetness) and Colletotrichum horii (anthracnose)…
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Hydroponic System Compatibility
Persimmon is incompatible with all enclosed hydroponic systems (DWC, NFT, ebb-and-flow, Kratky, aeroponics) due to its deciduous tree nature, extensive woody taproot, multi-year growth cycle (4-6 years to first fruit), and absolute requirement for winter dormancy. Drip irrigation is the ONLY suitable soilless approach…
Growing Media
Persimmon thrives in loamy, well-drained soil at pH 6.0-6.5 and tolerates a range from 5.5 to 7.5. Iron chlorosis develops rapidly above pH 7.0 on calcareous substrates — this is the most common nutritional disorder and the primary factor limiting media pH…
Container Specs
Start seedlings and grafted whips in 25-30 cm pots (10-15 L). Transplant to 45-50 cm containers (40-50 L) at year 2-3…
Training & Support
Formative pruning in years 1-4 establishes the permanent canopy framework. Two systems are used commercially: modified central leader (dominant trunk with 3-4 tiers of scaffold branches) for orchard trees, and open vase (3-4 scaffolds from 60-80 cm with no central leader) for container or compact trees…
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Propagation
Grafting is the primary commercial propagation method, reducing time to first fruit from 5-8 years (seedling) to 3-5 years. Common rootstocks include D…
Harvesting
Harvest timing is cultivar-dependent: non-astringent types (PCNA: Fuyu, Jiro, Izu) are picked when fully colored (orange to orange-red) but still firm, while astringent cultivars (Hachiya, Rojo Brillante, Saijo) are harvested at full color before softening. Clip fruit with sharp secateurs cutting 1-2 cm above the…
Planting Calendar
Northern Hemisphere annual cycle: begin seed stratification in January if propagating from seed. Transplant grafted trees in March-April before bud break…
Common Issues
The most damaging fungal diseases are anthracnose (Colletotrichum horii), circular leaf spot (Mycosphaerella nawae), and persimmon wilt (Ceratocystis diospyri). Anthracnose causes sunken dark lesions on fruit and is managed with copper sprays and sanitation…
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