Garden Tools

Calculate seed "death dates" based on storage temperature and humidity using Victorian botanical preservation science.

User Intent: "How long will my seeds last?"

Generate a 4-year soil health plan (Wheat→Turnips→Barley→Clover) for veganic gardening based on 18th-century agricultural principles.

User Intent: "Crop rotation planner"

Optimize garden bed layout for 19th-century heirloom varieties using French intensive gardening methods from Vilmorin-Andrieux (1885).

User Intent: "Heirloom seed spacing calculator"

Calculate the perfect planting depth for flower bulbs using the 3× rule. Engineering perfect spring blooms.

User Intent: "How deep to plant flower bulbs?"

Convert old plant names to modern Latin names and USDA Hardiness Zones using 19th-century botanical records from Vilmorin-Andrieux.

User Intent: "What is the modern name for this vintage plant?"

Calculate optimal angle and blade pitch for DIY Archimedes screw pumps. Ancient engineering meets modern permaculture water management.

User Intent: "How to design an Archimedes screw pump for my water system?"

Estimate a tree's age from its circumference using ISA growth factors. Supports 23 species — no chainsaw required.

User Intent: "How old is my tree?"

Calculate mulch needed for garden beds in cubic yards, cubic feet, or bags. Get exact amounts for perfect 3-4 inch coverage.

User Intent: "How much mulch do I need?"

Calculate how much lime or sulfur to add to your garden soil. Based on USDA extension service rates for sandy, loam, and clay soils.

User Intent: "How much lime to raise soil pH"

Plan crop rotation across 2-8 garden beds using the Norfolk 4-course system. Visualize which crop goes in which bed for 4 years.

User Intent: "Crop rotation planner for multiple beds"

Calculate when to start seeds indoors or direct sow outdoors based on your last frost date. Covers tomatoes, peppers, peas, and more.

User Intent: "When to start seeds indoors by frost date"

Calculate compost needed for raised beds, top dressing, or soil amendment. Shows volume, bags, and weight for any bed size.

User Intent: "How much compost for garden bed"