There are several varieties of marsh plantsor aquatic with which artificial lakes and ponds created in the garden can be adorned, as well as tubs that can be kept on the terrace in plastic or stone containers if desired.
Before proceeding with the choice of the essences, however, it is necessary to make sure that the particular needs of the marsh plants, which mainly concern water and fertilization.
Water needs. The difficulties encountered in keeping the water suitable for growing marsh plants they can mainly concern the formation of algae and the excessive limestone content of the water. In the first case, which manifests itself with the clouding of the water, it can be remedied with the introduction of underwater plants or fish. For the limestone, the various essences should be divided with walls or bulkheads and create a water exchange.
Fertilization. For this operation, the simplest system is to add tablets containing the appropriate nutrients to the water marsh plants (can be found in specialized stores). However, if the biological equilibrium has reached stability, fertilization is not needed and should be avoided in order not to 'make the water too heavy'.
Some varieties of marsh plants. Here is a list of the most popular with an indication of the maximum height they reach, the color of the flower and the flowering period. ACORUS CALAMUS VARIEGATUS (60cm - yellowish - May / June); BUTOMUS UMBRELLATUS (100 cm - pink - June / August); CALLA PALUSTRIS (20 cm - white - June / August); EICHORNIA CRASSIPES (30 cm - blue - June / September); EUPHORBIA PALUSTRIS (100 cm - yellow-green - May / June); HOTTOWIA PALUSTRIS (30 cm - white and red); LYSIMACHIA THYRSIFLORA (50 cm - yellow - May / July); MENTHA AQUATICA (70 cm - purple red - June / July); MIMULUS RINGENS (100 cm - purple - June / July); NYMPHAEA MARLIACEA CHROMATELLA HYBRIDA (15 cm - yellow - June / July); NYMPHAEA SIOUX HYBRIDA (15 cm - yellow - June / September); NYMPHAEA ODORATA ROSENNYMPLE (star flower - dark pink - June / September); ORONTIUM AQUATICUM (harvested flower - golden yellow - May / June); PONTEDERIA CORDATA (70cm - blue - July / August); SCIRPUS LACUSTRIS (150cm - brown orange - June / August); TYPHA LATIFOLIA (250cm - brown - July / August).