Cold hardiness & minimum temperature

Is Turkish White Sage (Salvia candidissima)cold hardy? Hardiness zone & min temp

Also called Turkish White Sage, White Clary, Woolly White Sage.

More about turkish white sage

About Turkish White Sage

Salvia candidissima · also called Turkish White Sage, White Clary · flowering

Salvia candidissima is a drought-hardy herbaceous perennial native to rocky, mountainous terrain in Greece, Turkey, Iraq, and Iran, where it grows at elevations of roughly 600–2,000 m. It forms a mid-green basal rosette of leaves that become increasingly woolly and white as summer heat intensifies, topped with upright 8–12-inch branched inflorescences carrying creamy-white, parrot-beak-shaped flowers. It is heat-tolerant and well suited to waterwise and Mediterranean-style gardens. The ASPCA considers the Salvia (sage) genus non-toxic to dogs and cats.

Cold limit: USDA 8-9 · RHS H4 (-10 to 38°C)

Watch for — Crown rot in wet winters: The most serious risk; excessive winter moisture sitting on the crown is fatal — plant with raised crown, ensure drainage holes in pots are clear, and cover with open-sided cloche in wet climates.

What turkish white sage's hardiness rating actually means

Yes — turkish white sage is genuinely cold hardy. Rated RHS H4 and USDA 8-9, it lives outdoors all year and needs winter cold rather than protection from it. Its RHS rating of H4 means: Hardy in an average winter across much of the temperate world. On the US scale that maps to USDA 8-9 — the zones where it can be left outdoors year-round.

New to these scales? The USDA hardiness zone map explained covers how the zone numbers work, and you can find your own zone with the zone finder.

Minimum temperature — and what happens below it

Minimum survivable temperature is roughly about −10 to −5 °C. Turkish White Sage is built for winter — once established it takes hard frost and snow in its stride.

Concretely, for turkish white sage as it gets too cold:

It tolerates winter lows to about −10 to −5 °C once established.
Below its rated zone, the visible damage is browned or blackened top growth and, in the worst case, a killed crown or root.
First-year, newly planted, or container-grown specimens are noticeably less hardy than established garden plants — the roots are exposed.

Can turkish white sage go outside or overwinter — and where?

Plant it out within USDA 8-9 and it overwinters with little or no help.
It does not want to come indoors — a warm winter room actually weakens a hardy plant by denying it dormancy.
The real risks in its range are waterlogging, wind-rock on young plants, and a late hard frost on new growth — not ordinary winter cold.

Work back from your local frost dates with the frost-date calculator: the last spring frost and first autumn frost are what really decide when turkish white sage can be outside. US growers can check USDA zones; UK growers should use the RHS hardiness ratings, which match the H4 figure above.

Turkish White Sage hardiness — frequently asked questions

Is turkish white sage cold hardy?

Yes — turkish white sage is genuinely cold hardy. Rated RHS H4 and USDA 8-9, it lives outdoors all year and needs winter cold rather than protection from it. An outdoor plant. Turkish White Sage is hardy across USDA 8-9; it belongs in the ground or a frost-proof container, not on a windowsill, and many types actively need a cold winter to perform.

What is the minimum temperature turkish white sage can survive?

Minimum survivable temperature is roughly about −10 to −5 °C. Turkish White Sage is built for winter — once established it takes hard frost and snow in its stride.

What hardiness zone is turkish white sage?

Turkish White Sage is rated USDA 8-9 and RHS H4 — Hardy in an average winter across much of the temperate world.

Can turkish white sage survive winter outside?

Plant it out within USDA 8-9 and it overwinters with little or no help. It does not want to come indoors — a warm winter room actually weakens a hardy plant by denying it dormancy. The real risks in its range are waterlogging, wind-rock on young plants, and a late hard frost on new growth — not ordinary winter cold.

What happens to turkish white sage below its minimum temperature?

It tolerates winter lows to about −10 to −5 °C once established. Below its rated zone, the visible damage is browned or blackened top growth and, in the worst case, a killed crown or root. First-year, newly planted, or container-grown specimens are noticeably less hardy than established garden plants — the roots are exposed.