Cold hardiness & minimum temperature

Is Silver Dragon Lilyturf (Liriope spicata 'Silver Dragon')cold hardy? Hardiness zone & min temp

Also called silver dragon lilyturf, variegated creeping lilyturf.

More about silver dragon lilyturf

About Silver Dragon Lilyturf

Liriope spicata 'Silver Dragon' · also called silver dragon lilyturf, variegated creeping lilyturf · houseplant

'Silver Dragon' is a striking variegated creeping lilyturf whose narrow blades are streaked silvery-white, brightening shady corners and containers. Unlike clumping types it spreads gently by rhizomes to form a luminous groundcover, bearing pale lavender flower spikes in summer. A member of the asparagus family, it is grass-like but not a true grass, and is exceptionally easy and shade-tolerant.

Cold limit: USDA 5-10 (evergreen to semi-evergreen perennial) · RHS H5 (18-27°C)

What silver dragon lilyturf's hardiness rating actually means

Yes — silver dragon lilyturf is genuinely cold hardy. Rated RHS H5 and USDA 5-10 (evergreen to semi-evergreen perennial), 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 5-10 (evergreen to semi-evergreen perennial) — 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. Silver Dragon Lilyturf is built for winter — once established it takes hard frost and snow in its stride.

Concretely, for silver dragon 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 silver dragon lilyturf go outside or overwinter — and where?

Plant it out within USDA 5-10 (evergreen to semi-evergreen perennial) 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 silver dragon lilyturf can be outside. US growers can check USDA zones; UK growers should use the RHS hardiness ratings, which match the H5 figure above.

Silver Dragon Lilyturf hardiness — frequently asked questions

Is silver dragon lilyturf cold hardy?

Yes — silver dragon lilyturf is genuinely cold hardy. Rated RHS H5 and USDA 5-10 (evergreen to semi-evergreen perennial), it lives outdoors all year and needs winter cold rather than protection from it. An outdoor plant. Silver Dragon Lilyturf is hardy across USDA 5-10 (evergreen to semi-evergreen perennial); 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 silver dragon lilyturf can survive?

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

What hardiness zone is silver dragon lilyturf?

Silver Dragon Lilyturf is rated USDA 5-10 (evergreen to semi-evergreen perennial) and RHS H5 — Hardy in most of the UK and in cold winters.

Can silver dragon lilyturf survive winter outside?

Plant it out within USDA 5-10 (evergreen to semi-evergreen perennial) 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 silver dragon 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.