Container Garden Calculator
Search a plant and enter your pot size to check whether the container is workable, tight, or too small.
Check pot sizePot size
Check whether your container is realistic.
Container guidance is a planning range. Bigger pots are usually easier to water, especially in hot sun.
Enter a plant and pot size to see the container fit.
Useful setup tools
Useful supplies
Containers / Before planting
View
Right-size container with drainage
Use a container large enough for mature roots, with open drainage holes to prevent root rot.
Containers / Before planting
View
Expanding container potting mix
Use a lighter container medium instead of dense garden soil in pots and grow bags.
Watering / Planting day
View
Watering wand or can
Water new transplants gently without washing soil away from the crown or roots.
Nutrition / During growth
View
Balanced garden fertilizer
Feed annual vegetables, herbs, flowers, and hungry container crops according to soil or label guidance.
Protection / Heat waves
View
Shade cloth
Reduce heat stress for cool-season greens, tender transplants, and containers in hot sun.