Plant Disease Identifier — What’s Wrong With My Plant?
Free plant disease identifier — describe your leaf symptoms, colour changes, and spread pattern to narrow down the likely disease with treatment protocol and prevention tips.
OGW Editorial Team
Garden Pest Identifier — What’s Eating My Plants?
Free garden pest identification tool — describe your symptoms and the tool narrows down the likely pest with ID photos and treatment options. Works for vegetables, flowers, and lawns.
Composting Calculator – The Right Brown to Green Ratio for Your Pile
Free composting calculator — enter your available brown and green materials to get the correct C:N ratio, how much of each to add, and how long until finished compost. Covers hot and cold composting.
Backyard Garden Zone Planner — What to Put Where in Your Yard
Free backyard zone planner — describe your yard conditions (sun, slope, soil, space) and the planner recommends the best use for each area: edible garden, ornamental, lawn, seating, or habitat.
Mulch Calculator — How Much Mulch Do You Need?
Free mulch calculator — enter your bed area and desired depth to get the cubic yards needed for bulk mulch or the bag count for bagged mulch. Covers all mulch types and bed shapes.
Fertilizer Calculator – How Much Fertilizer to Apply (By Crop & Bed Size)
Free fertilizer calculator — enter your crop, bed size, and growth stage to get the exact fertilizer type, NPK ratio, and application rate in cups or oz per square foot. Covers organic and synthetic.
Garden Watering Calculator — How Much Water Your Crops Actually Need
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.
Garden Layout Designer — Plan Your Beds Visually Before You Dig
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.
Vegetable Garden Planner — Layout, Spacing & How Many Plants Fit
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.
Plant Spacing Calculator — Exactly How Many Plants Fit in Your Bed
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.