How to measure a planter for a potting-mix estimate
Measure the space that holds mix, not the decorative rim. A short worksheet before the garden-center trip.
Read the field guide ↗The field guide
Know a little more. Buy a little better.
Clear methods, worked examples and questions to resolve before choosing another pot.
Tapered pots: why the bottom diameter changes the answer
A worked example showing why a narrowing pot is not a cylinder, especially when you leave headspace.
Read the field guide ↗Dry quarts, liquid quarts and liters on potting-mix bags
Read the complete unit before comparing bags. A US dry quart and a US liquid quart are different volumes.
Read the field guide ↗Repotting: separate total pot volume from new mix needed
Your plant arrives with roots and existing media. Account for that space without pretending the estimate is exact.
Read the field guide ↗How to make a useful direct-sun log for a patio
Record what reaches one actual planting spot. A bright-looking patio and measured direct sunlight are not the same entry.
Read the field guide ↗Plan your first three containers without buying a full setup
Three is a planning example, not a minimum. Start with the questions that determine whether an item belongs on the list.
Read the field guide ↗Fabric pots, rigid pots and reservoir planters: questions to compare
Different formats create different checking tasks. Use a decision sheet instead of a universal “best planter” ranking.
Read the field guide ↗Before buying a self-watering planter, read these parts of the instructions
A reservoir changes the setup questions. It does not remove the need to inspect and maintain the actual system.
Read the field guide ↗A pre-purchase drainage checklist for container gardens
Check the actual container and the route water will take. Decorative appearance is not a drainage specification.
Read the field guide ↗What to copy from a potting-mix label before comparing bags
Keep intended use, volume and directions together. A large bag is not automatically the right purchase.
Read the field guide ↗Make a watering record, not a rigid weekly promise
A short log can help you describe the actual container and conditions without prescribing the same schedule for everyone.
Read the field guide ↗A hardiness zone is not your container planting calendar
Keep winter hardiness, local planting guidance and this week’s conditions in separate places on your planning sheet.
Read the field guide ↗The one-page container garden record worth keeping
Keep the details that help you repeat a useful setup—or explain why you want to change it next time.
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