Garden Watering Calculator: How Much Water Does Your Garden Really Need?
Garden Watering Calculator: How Much Water Does Your Garden Really Need? Most vegetable gardens need 1 to 1.5 inches of water per week, which equals 0.623 gallons per square foot per inch of depth. A 200-square-foot garden at 1 inch per week requires roughly 125 gallons weekly, but the actual amount depends on your soil type, irrigation method efficiency, local rainfall, and evapotranspiration rate. I tracked water usage across three garden plots totaling 480 square feet over two full growing seasons in Zone 6b. Switching from overhead sprinklers to drip irrigation cut my water bill from $38/month to $14/month during peak summer, a 63% reduction. The $55 drip kit paid for itself in six weeks. More importantly, my tomato plants stopped developing the fungal leaf spots that plagued every sprinkler-watered season before. The soil doesn't lie -- when you measure moisture at 4-inch depth with a $12 probe, you see...
Rain Barrel Calculator: How Many Barrels Do You Need for Rainwater Harvesting?
Rain Barrel Calculator: How Many Barrels Do You Need for Rainwater Harvesting? A 1,000-square-foot roof section sheds approximately 623 gallons of water per 1 inch of rainfall, calculated as roof area (sq ft) x rainfall (inches) x 0.623. A single 50-gallon rain barrel captures only 8% of that water. Most homeowners need 2-4 barrels connected in series, with overflow directed to a rain garden or dry well. I installed a 3-barrel system (165 gallons total) under a 900-square-foot roof section at my Zone 6b property two years ago. The total cost was $185 for three recycled food-grade barrels, $42 in fittings, and $28 for a first-flush diverter -- $255 total versus $420 for comparable prefabricated units. Over 22 rain events last season, I captured roughly 2,800 gallons that would have otherwise eroded the foundation bed. At my local water rate of $0.008 per gallon, that is $22.40 in saved water...
Vegetable Garden Spacing Chart: Plant Spacing Calculator and Yield Guide
Vegetable Garden Spacing Chart: Plant Spacing Calculator and Yield Guide Vegetable garden spacing follows a simple density formula: divide the square footage of your bed by the spacing area each plant needs (in square feet) to get total plants per bed. A 4x8 raised bed (32 sq ft) fits 8 tomatoes at 24-inch spacing, 32 peppers at 12-inch spacing, or 128 carrots at 3-inch spacing. Getting this number wrong is the fastest way to lose an entire season to disease and poor yields. I have tracked plant counts, spacing, and harvest weights across 14 raised beds over four growing seasons in Zone 6b. In my worst experiment, I crammed 20 basil plants into a 4x4 bed (16 sq ft) at 4-inch spacing where 9 plants at 6-inch spacing was correct. Every single plant developed downy mildew by July. In my best season, 8 properly spaced indeterminate tomatoes in a 4x8...