With the exception of some species of sedge and rush, almost all marginal plants grow happily in from the shallows edges of a pond out to a depth between 4" and 1'6" Marginals that require deeper water, like sedge and rush, can be found in the Deep water category . To help reduce algae bloom plant marginals in pea gravel or composts with a reduced amount of nutrient.
N.B. We ship all plants in the marginal category "bare root" with root ball well protected to minimise transport costs.