Cold hardiness & minimum temperature

Is Echeveria subsessilis 'Morning Beauty' (Echeveria subsessilis 'Morning Beauty')cold hardy? Hardiness zone & min temp

Also called Morning Beauty echeveria.

More about echeveria subsessilis 'morning beauty'

About Echeveria subsessilis 'Morning Beauty'

Echeveria subsessilis 'Morning Beauty' · also called Morning Beauty echeveria · houseplant

Echeveria 'Morning Beauty' is a handsome rosette succulent with broad, powder-blue leaves coated in pale farina and edged in soft pink to lavender when sun-stressed. The chunky rosette forms a tidy, symmetrical cup and offsets modestly. It wants full sun, gritty soil and dry roots, sends up coral-pink spring flowers, and is pet-safe like all echeverias.

Cold limit: USDA 9-11 (frost-tender; protect below about 4°C) · RHS H1c (10-27°C)

What echeveria subsessilis 'morning beauty''s hardiness rating actually means

Echeveria subsessilis 'Morning Beauty' is not cold hardy. It is a tropical houseplant that dies if it is left out through frost — there is no zone where it overwinters outdoors in a UK or cold-US climate. Its RHS rating of H1c means: Warm-temperate — can summer outdoors but must come in well before the first frost. On the US scale that maps to USDA 9-11 (frost-tender; protect below about 4°C) — 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 5 °C (and never frost). Echeveria subsessilis 'Morning Beauty' has no frost tolerance at all — it is an indoor plant in any climate with a real winter.

Concretely, for echeveria subsessilis 'morning beauty' as it gets too cold:

Below about about 5 °C, growth stalls and the leaves start to show cold stress — dark, water-soaked, or yellowing patches.
A single light frost blackens the foliage; a hard freeze kills the whole plant, roots included, and it does not recover.
Even a cold, draughty windowsill or an unheated porch in winter can be enough to damage it permanently.

Can echeveria subsessilis 'morning beauty' go outside or overwinter — and where?

It can holiday outdoors in summer once nights are reliably above 5 °C, in shade or dappled light, hardened off gradually.
Bring it back indoors well before the first autumn frost — do not wait for a frost warning, move it when nights drop toward 10-12 °C.
It will never overwinter outside in a temperate climate; the indoors is its winter home, full stop.

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 echeveria subsessilis 'morning beauty' can be outside. US growers can check USDA zones; UK growers should use the RHS hardiness ratings, which match the H1c figure above.

Echeveria subsessilis 'Morning Beauty' hardiness — frequently asked questions

Is echeveria subsessilis 'morning beauty' cold hardy?

Echeveria subsessilis 'Morning Beauty' is not cold hardy. It is a tropical houseplant that dies if it is left out through frost — there is no zone where it overwinters outdoors in a UK or cold-US climate. Indoor-only in almost every home. Echeveria subsessilis 'Morning Beauty' can only live outside year-round in genuinely frost-free climates (roughly USDA 9-11 (frost-tender; protect below about 4°C)); everywhere else it is a houseplant that summers out at most.

What is the minimum temperature echeveria subsessilis 'morning beauty' can survive?

What hardiness zone is echeveria subsessilis 'morning beauty'?

Echeveria subsessilis 'Morning Beauty' is rated USDA 9-11 (frost-tender; protect below about 4°C) and RHS H1c — Warm-temperate — can summer outdoors but must come in well before the first frost.

Can echeveria subsessilis 'morning beauty' survive winter outside?

It can holiday outdoors in summer once nights are reliably above 5 °C, in shade or dappled light, hardened off gradually. Bring it back indoors well before the first autumn frost — do not wait for a frost warning, move it when nights drop toward 10-12 °C. It will never overwinter outside in a temperate climate; the indoors is its winter home, full stop.

What happens to echeveria subsessilis 'morning beauty' below its minimum temperature?

Below about about 5 °C, growth stalls and the leaves start to show cold stress — dark, water-soaked, or yellowing patches. A single light frost blackens the foliage; a hard freeze kills the whole plant, roots included, and it does not recover. Even a cold, draughty windowsill or an unheated porch in winter can be enough to damage it permanently.