I have sprouted water lilies from seed, but have not found clay /heavy soil. Please advise what soil and planter to use for indoor water garden.
Thank you for your question for Toronto Master Gardeners. Congratulations on successfully growing water lily seeds. According to most of the references, almost any watertight container will do, but an aquatic garden centre would have some that are more ideal than others.
As for soil, here are some of the most helpful websites:
- The Brooklyn Botanic Gardens website includes a recipe for indoor water garden soil, not just for water lilies. Water Gardening Indoors – Brooklyn Botanic Garden
- Another specific article in The Spruce, Growing water lilies indoors, advises gardeners to use a basket inside the container and cover it with soil and 1 inch of sand. https://www.thespruce.com/grow-water-lilies-indoors-190298
- Landscape Ontario’s “Find a company” (go to landscapeontario.com) has a great list of garden centres. Call a few in your area to ask if anyone specializes (or knows of someone who specializes) in aquaponics or water gardens.
- Try “googling” terms like specialty pond nursery Toronto or indoor water garden.