Cold hardiness & minimum temperature

Is Variegated Lilyturf (Liriope muscari 'Variegata')cold hardy? Hardiness zone & min temp

Also called Variegated Lilyturf, Variegated Big Blue Lilyturf, Variegated Monkey Grass.

More about variegated lilyturf

About Variegated Lilyturf

Liriope muscari 'Variegata' · also called Variegated Lilyturf, Variegated Big Blue Lilyturf · flowering

Variegated Lilyturf is an evergreen, grass-like perennial producing arching, gold-edged dark-green leaves and spikes of violet-purple flowers in late summer, followed by black berries. An exceptionally versatile and tough groundcover or border edging plant, tolerating shade, drought, and a range of soil types. Deer-resistant and long-lived with minimal maintenance.

Cold limit: USDA 6-10 · RHS H5 (-15°C to 35°C)

Watch for — Anthracnose leaf blight: Colletotrichum fungal blight causes reddish-brown lesions with yellow halos, especially in warm, humid conditions. Cut back affected foliage in late winter and avoid overhead irrigation. Improve air circulation; treat with a copper-based fungicide if infection is severe.

What variegated lilyturf's hardiness rating actually means

Yes — variegated lilyturf is genuinely cold hardy. Rated RHS H5 and USDA 6-10, it lives outdoors all year and needs winter cold rather than protection from it. Its RHS rating of H5 means: Hardy in most of the UK and in cold winters. On the US scale that maps to USDA 6-10 — 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 −15 to −10 °C. Variegated Lilyturf is built for winter — once established it takes hard frost and snow in its stride.

Concretely, for variegated lilyturf as it gets too cold:

It tolerates winter lows to about −15 to −10 °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 variegated lilyturf go outside or overwinter — and where?

Plant it out within USDA 6-10 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 variegated lilyturf can be outside. US growers can check USDA zones; UK growers should use the RHS hardiness ratings, which match the H5 figure above.

Variegated Lilyturf hardiness — frequently asked questions

Is variegated lilyturf cold hardy?

Yes — variegated lilyturf is genuinely cold hardy. Rated RHS H5 and USDA 6-10, it lives outdoors all year and needs winter cold rather than protection from it. An outdoor plant. Variegated Lilyturf is hardy across USDA 6-10; 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 variegated lilyturf can survive?

Minimum survivable temperature is roughly about −15 to −10 °C. Variegated Lilyturf is built for winter — once established it takes hard frost and snow in its stride.

What hardiness zone is variegated lilyturf?

Variegated Lilyturf is rated USDA 6-10 and RHS H5 — Hardy in most of the UK and in cold winters.

Can variegated lilyturf survive winter outside?

Plant it out within USDA 6-10 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 variegated lilyturf below its minimum temperature?

It tolerates winter lows to about −15 to −10 °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.