Potted Harvest
A hands-on container-growing manual for people whose entire garden is a balcony, patio, rooftop or windowsill.
Calculators & Tools
Potting Soil Conversion Calculator: Quarts, Cubic Feet, Gallons, Litres and Bags
Convert potting soil between dry quarts, cubic feet, gallons and litres, see roughly what it weighs, and work out how many bags fill a 5-gallon bucket or a 12-inch pot.
Raised Bed Soil Calculator: Volume, Mix Ratio and What to Buy
Work out how much soil a raised bed needs in cubic feet, cubic yards or litres — then split that total into compost, bulk base and aeration for the mix you plan to use.
Potting Soil Calculator: How Much Mix a Container Actually Holds
Work out how many litres of potting mix a pot, grow bag or window box needs — and how many bags to buy — from its shape and measurements.
Latest Articles
Growing Banana Tree in a Pot: Pot Size, Sun & Winter Care
Learn how to grow a banana in a pot: choose a compact cultivar, size a 57–95 L container, map balcony sun, water well and plan for winter before frost
Grow Lemon Tree From Seed: Pot Size, Light and Care
Learn how to grow lemon tree from seed with practical pot sizes, sowing depth, light targets, watering cues, and honest expectations for fruit.
When to Start Seeds Indoors: Count Back From Your Last Frost
Count backward from your local last frost to time indoor seeds, then adjust for crop, light, soil warmth and changing balcony conditions before transp
Cold Stratification: Which Seeds Need It and for How Long
Learn which seeds benefit from cold stratification, practical chilling windows, when warm treatment or scarification matters, and how to manage a damp
Grow Mango From Seed: What to Expect in a Small Pot
Learn how to grow mango from seed in a small pot: prep the kernel, choose a draining starter container, manage light and water, and set fruiting expec
Growing Onions From Seed in Pots: When to Sow and Thin
Learn when to sow onion seeds, how deep to plant them, when to thin, and how pot size, day length and balcony light shape bulb growth in containers.