Comfrey Calculators
Planning your comfrey garden? Use our free calculators to determine exactly how many plants you need for your specific purposes. Whether you're creating a barrier, feeding chickens, or making fertilizer tea, we've got you covered.
Plant Spacing Calculator
Calculate how many comfrey plants you need for your garden bed or food forest based on square footage and spacing preferences.
Plan Your GardenRhizome Barrier Calculator
Determine how many comfrey plants you need to create an effective living barrier or hedge along a specific length.
Design Your BarrierChicken Feed Calculator
Estimate how many comfrey plants you need to provide supplementary feed for your backyard chickens.
Feed Your Flock for FreeFertilizer Tea Yield Calculator
Calculate how many comfrey plants you need to produce a specific volume of nutrient-rich fertilizer tea.
Brew Your Own FertilizerCompost Accelerator Calculator
Determine how many comfrey plants you need to support and accelerate your compost pile based on its size.
Supercharge Your CompostMulch Coverage Calculator
Calculate how much area you can mulch using comfrey leaves from your plants throughout the growing season.
Plan Your Mulch SystemHarvest Planner
Estimate when and how much comfrey to expect from your plants over the growing season based on your region.
Plan Your HarvestReady to start your comfrey journey?
Use these calculators to plan your garden, then get your comfrey plants from our trusted nursery.
Shop Comfrey Plants