Crunchy Garden

How much water for a mango tree?

10bZone
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how many gallons of water does a mature mango tree need in zone 10b of southern california per week?
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Chat Gpt 4o: A mature mango tree in USDA Zone 10b (like southern California) typically requires **9–12 gallons of water per week** per inch of trunk diameter during the growing season. Here's how you can fine-tune this estimate: --- ### **Factors to Consider:** 1. **Tree Size**: - Mature mango trees with a 12-inch trunk diameter may require around **100–120 gallons per week.** - Measure trunk diameter at chest height to estimate. 2. **Season and Weather**: - **Growing season (spring/summer):** Mango trees need more water, especially during flowering, fruit set, and fruit development. - **Dormant season (fall/winter):** Watering can be reduced significantly, as mango trees are drought-tolerant. 3. **Soil Type**: - Southern California soils can range from sandy to clay. - Sandy soil requires more frequent watering due to poor water retention, while clay soil retains water longer. 4. **Irrigation Method**: - Use deep watering to encourage strong root growth. - Drip irrigation is ideal, providing consistent moisture without overwatering. 5. **Mulching**: - Apply mulch around the base (but not against the trunk) to retain soil moisture and reduce watering needs. --- ### **Weekly Watering Example**: - For a **12-inch trunk diameter tree** during the active growing season: \[ \text{Gallons per week} = \text{trunk diameter (in inches)} \times 10 \] \[ \text{Gallons per week} = 12 \times 10 = 120 \, \text{gallons} \] Adjust for seasonal needs: - Growing season: 100–120 gallons/week - Dormant season: 20–40 gallons/week (or less, depending on rainfall). --- ### **Zone 10b Adaptations**: - **Evapotranspiration (ET):** High in hot, dry climates, requiring closer monitoring. - **Rainfall:** Zone 10b often has minimal rainfall. If rain occurs, reduce watering accordingly. - **Drought Conditions:** Mango trees tolerate some drought but avoid prolonged dry periods. Would you like tips on installing a watering system or measuring soil moisture?
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