Floating Plants: They need no soil; roots obtain nutrients from the water. Marginal Plants: Their roots can be in the water but don't have to be. Bog Plants: They thrive in much wetter conditions than do most plants.

Do marginal pond plants need soil?

Plant into a heavy loam, free from chemicals and without peat based compost. Light, sandy soil, and chalky soil are not suitable. Marginal plants form clumps and will grow to the size of the basket – the bigger the basket the bigger the clump. Fill the basket ½full of soil, pressed well down to make it really firm.

What is the soil for marginal plants?

Soil: Compost suitable for planting aquatic plants should be a medium to heavy loam. Garden soil can be used if it is free from fertiliser and herbicides. Otherwise, a proprietary aquatic compost should be used (this may contain a slow-release fertiliser that won't seep out into the water).