Watering Schedule Calculator

Area
sq ft
Plant
Soil
Sun
in
$

Watering Schedule Calculator: Save Water, Save Money, Grow Healthy Plants

Overwatering wastes money and harms plants. Our watering schedule calculator gives you exact frequency, volume, and cost based on area, plant type, soil, sun, and rainfall.

How to Use the Calculator

  1. Select area type: lawn, garden, or pots
  2. Enter square footage
  3. Choose plant, soil, sun, rainfall
  4. Get weekly volume, frequency, drip/soaker timing, and cost

Water Needs by Plant Type

PlantInches/WeekGal per 100 sq ft
Cool Season Grass1.0–1.562–93
Warm Season Grass0.75–1.2547–78
Vegetables1.0–2.062–124
Flowers0.75–1.547–93
Shrubs/Trees0.5–1.031–62
Succulents0.25–0.516–31

Example: 100 sq ft Vegetable Garden

Plant: Vegetables
Soil: Loam
Sun: Partial
Rain: 0.5 in
Need: 1.5 in → 93 gal/week
After rain: 62 gal/week
Frequency: Every 3 days
Drip (1 GPH): 62 min/session
Cost: $1.12/month

Soil Type Impact

  • Sandy: Drains fast → water more often
  • Loam: Ideal → holds moisture
  • Clay: Slow drain → risk of root rot

Drip vs Soaker vs Sprinkler

  • Drip: 90% efficient, 1 GPH per emitter
  • Soaker: 0.5 gal per ft per 30 min
  • Sprinkler: 50% loss to evaporation

Pro Tips

  • Water early morning to reduce evaporation
  • Use mulch to retain 70% more moisture
  • Install rain sensor to skip after rain
  • Check soil 2" deep — water if dry
  • Use our planting calculator

Common Mistakes

  • Daily light watering → shallow roots
  • Ignoring rainfall
  • Watering in heat of day

FAQs

How deep should I water? 6–8 inches for lawns, 12 inches for veggies.

Can I automate? Yes — use timer + rain sensor.

What about pots? Water when top 1" is dry.

Conclusion

Save up to 50% on water bills and grow healthier plants. Use our free watering schedule calculator weekly.

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