Clarence transforms a humble pond into a thriving aquatic environment by incorporating pots of native plants perfect for the different depths of water. Subscribe 🔔 ab.co/GA-subscribe
Like land-based plants, aquatic plants grow in a whole range of situations, from being deeply submerged to damp areas.
Pond planting zones are generally measured from Zone 5 - the deepest - to Zone 1, on the pond edge. Today Clarence is focusing on the middle bands of Zones 2, 3, and 4.
The plants will be submerged or partly submerged, so they’ll need a heavy potting mix that won’t float away. Clarence mixes two parts loam with one part gravel and one part sand.
Aquatic plants also need a pot that allows water flow; specially designed pots with holes down the size can be bought. Depending on the size of the pot you use, you can put a few larger pebbles or rocks in the bottom to help anchor it.
Zone 4 - here plants are immersed by about 20-40cm - this zone suits waterlilies and plants such as marbled marshwort. Clarence is using water lawn (Lilaeopsis sp.). Try to avoid air bubbles by filling any gaps with the potting mix and making sure the plant is firmly in place.
Rocks can be added to the surface to keep plants in place.
Zone 3 - submerged but not as deeply; the foliage will be showing at water level. Here Clarence plants Native water milfoil (Myriophyllum sp.) and Running marsh-flower (Ornduffia reniformis).
Zone 2 - along the water’s edge. Plants that grow well here include rushes and sedges.
When planting in this zone be careful not to pierce any pond liner being used or pipes/hoses connected to a water feature.
Generally, plants can obtain enough nutrients from the pond environment, so they don’t require fertiliser.
Featured plants:
Water lawn (Lilaeopsis sp.)
Native water milfoil (Myriophyllum sp.)
Running marsh-flower (Ornduffia reniformis)
Knobby club-rush (Ficinia nodosa)
Tassel cord-rush (Baloskion tetraphyllum)
Filmed on Dharawal Country in Heathcote, NSW
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