Free garden watering calculator — enter your crop, bed size, soil type, and temperature to get the exact weekly water requirement in gallons and a recommended irrigation schedule.
Free garden layout designer — set your bed dimensions, place crops by drag-and-drop, and the designer enforces spacing rules and flags companion conflicts before you put a single plant in the ground.
Free vegetable garden planner — enter your bed size and crop list, get exact plant counts, spacing, and companion suggestions. Works for raised beds and in-ground gardens.
Free plant spacing calculator — enter your bed dimensions and crop to see exactly how many plants fit using square foot spacing or traditional row spacing, side by side.
Free soil pH calculator — enter your current pH, target pH, and soil type to get the exact amount of lime or sulfur to add per 100 square feet. Includes pH ranges for 30+ vegetables.
Free companion planting tool — enter any vegetable, flower, or herb and instantly see which plants help it thrive and which ones to keep away. Based on proven pairing data for 60+ crops.
Generate your personalized month-by-month planting calendar by ZIP code — covering indoor seed starting, outdoor transplanting, direct sowing, and fall planting for every crop.
Use our seed starting calculator to find exact indoor start dates and transplant dates for every crop in your garden, based on your local frost dates.
Find your spring and fall frost dates by ZIP code and learn exactly how to use them — seed starting timing, transplant windows, fall garden planning, and frost protection.