Swamp stonecrop
Crassula helmsii (Kirk) Cockayne
—
Height in the aquarium
medium to high
Light
low
CO₂ needs
18–23 °C
Ideal temperature
Water parameters
Understand these values- Position
- midground, foreground
- Propagation
- cuttings
- Uses
- nano tank
- Grows emersed
- yes
In the wild
Overview
This aquatic Crassula from Australia and New Zealand stands out among the many terrestrial succulents of its genus. It colonises very varied habitats and copes with calm water as well as strong currents. Introduced elsewhere, it can form highly invasive stands.
- Scientific name
- Crassula helmsii (Kirk) Cockayne
- Classification
- Saxifragales › Crassulaceae
- IUCN Red List
- Not evaluated (NE)
Natural habitat
Australia, New Zealand
Observations (GBIF) and localities Native countries Introduced in Rivers and lakes
- Native countries
- Introduced by people
Outside its native range, in 11 countries:
An aquarium plant must never reach the wild: throwing away cuttings or emptying a tank into a stream can be enough to establish it.
Countries: Kew World Checklist of Vascular Plants (WCVP). Dots: GBIF observations in the native countries.
In the aquarium
Growing in the aquarium
It tolerates a wide range of conditions, with medium to strong light given for aquarium growing. Cuttings are used to renew the stand. Follow the spread of the stems and remove the excess to keep space for the other plants; its vigour must not be mistaken for modest growth.
Sources:Flowgrow GBIF POWO (Kew) · Base map: Natural Earth