Ruby saltbush (Enchylaena tomentosa) – hardiness zones in USDA, RHS, Canadian & Australian systems

Hardy arid-zone Australian subshrub with succulent foliage and small juicy red-to-yellow berries.

Hardiness ratings

Ruby saltbush hardiness across the four zone systems
System	Rating	Temperature range	How to read it
USDA hardiness zone	Zone 8–10	−12.2 °C to 4.4 °C	Plant tolerates down to this zone
RHS hardiness rating	H4	−10 °C to −5 °C	Plant needs at least this level of cold tolerance
Canadian plant hardiness zone	Zone 8–9	−7 °C and warmer	Plant tolerates down to this zone
Australian (ANBG) zone	Zone 3–7	−5 °C and warmer	Plant tolerates down to this zone

Exceptionally drought- and salt-tolerant; well suited to inland and coastal gardens
Small berries are edible with a sweet-salty flavour
Tolerates frost and extended dry periods once established