Pond audit

Aponogeton distachyos (Water Hawthorn) Slow, but quite good. Flowers in spring and autumn, but dies down in summer
Butomus umbellatus (Flowering rush) Original planting. May have vanished
Butomus umbellatus (Flowering rush) New plant from Ewenny, Jul 17. Removed from pot and stuck between pebbles
Calla palustris (Bog arum) Appeared to have vanished, but see Mystery pond plant
Caltha palustris (Marsh marigold) Surprisingly slow, but alive. Could it be too deep?
Carex pendula (Pendulous sedge) Doing well.
Carex pseudocyperus (Sedge Hop) Doing well. Removed from pot and moved away from pendulous sedge which it is quite similar to, Jul 17
Ceratophyllum demersum (Hornwort) Soon disappeared. Smothered by algae. Try again
Cyperus longus (Sweet galingale) Good
Equisetum hymenale (Dutch rush) Removed from pot and stuck between pebbles
Eriophorum angustifolium (Common Cotton Grass) Good, but needs more soil and encouragement
Geum rivale (Water Avens) Better outside the pond, where it’s rather dull, than in the water
Hottonia palustris (Water violet) Struggling. Disappeared
Iris pseudacorus (Yellow flag iris) Surprisingly slow. I’ll try removing it from its basket
Lysichiton camtschatcensis (White skunk cabbage) Alive, but not kicking. 2 plants, removed from pots, Jul 17
Lythrum salicaria (Purple loosestrife) Single tall flowering stem. Doing well. Removed from pot, Jul 17
Mentha aquatica (Water mint) Good. Vigorous, but easy to control
Menyanthes trifoliata (Bog bean) Good. Escaped its bag
Myosotis scorpioides (Water forget-me-not) Failed (drowned?)
Nymphaea alba (White water lily) Slow, but alive
Nymphaea alba ‘Candida’ (Dwarf white water lily) Slow, but alive
Nymphoides peltata (Fringed water lily) Slow, but alive
Ranunculus aquatilis (Water crowfoot) Disappeared?
Ranunculus lingua (Greater spearwort) Good. Escaped its bag
Typha minima (Small reed mace) Good
Veronica beccabunga (Brooklime) Good. Escaped from pot. Soil provided, Jul 17