Cold hardiness & minimum temperature

Is Pazazz Mix Portulaca (Portulaca oleracea)cold hardy? Hardiness zone & min temp

Also called Purslane, Common Purslane, Pigweed, Little Hogweed.

More about pazazz mix portulaca

About Pazazz Mix Portulaca

Portulaca oleracea · also called Purslane, Common Purslane · flowering

Pazazz Mix Portulaca is an ornamental purslane selection bearing semi-double to double flowers in vivid shades of pink, orange, yellow, red, and white on succulent trailing stems. An exceptionally heat and drought-tolerant annual for sunny, dry positions. Generally considered non-toxic to pets, though large consumption of oxalate-rich foliage should be avoided.

Cold limit: USDA 2-11 (frost-tender annual, thrives in heat) · RHS H1C (21-38°C)

What pazazz mix portulaca's hardiness rating actually means

Yes — pazazz mix portulaca is genuinely cold hardy. Rated RHS H7 and USDA 2-11 (frost-tender annual, thrives in heat), it lives outdoors all year and needs winter cold rather than protection from it. Its RHS rating of H7 means: Hardy in the severest European continental winters. On the US scale that maps to USDA 2-11 (frost-tender annual, thrives in heat) — 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 below about −20 °C. Pazazz Mix Portulaca is built for winter — once established it takes hard frost and snow in its stride.

Concretely, for pazazz mix portulaca as it gets too cold:

It tolerates winter lows to about −20 °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 pazazz mix portulaca go outside or overwinter — and where?

Plant it out within USDA 2-11 (frost-tender annual, thrives in heat) 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 pazazz mix portulaca can be outside. US growers can check USDA zones; UK growers should use the RHS hardiness ratings, which match the H7 figure above.

Pazazz Mix Portulaca hardiness — frequently asked questions

Is pazazz mix portulaca cold hardy?

Yes — pazazz mix portulaca is genuinely cold hardy. Rated RHS H7 and USDA 2-11 (frost-tender annual, thrives in heat), it lives outdoors all year and needs winter cold rather than protection from it. An outdoor plant. Pazazz Mix Portulaca is hardy across USDA 2-11 (frost-tender annual, thrives in heat); 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 pazazz mix portulaca can survive?

Minimum survivable temperature is roughly below about −20 °C. Pazazz Mix Portulaca is built for winter — once established it takes hard frost and snow in its stride.

What hardiness zone is pazazz mix portulaca?

Pazazz Mix Portulaca is rated USDA 2-11 (frost-tender annual, thrives in heat) and RHS H7 — Hardy in the severest European continental winters.

Can pazazz mix portulaca survive winter outside?

Plant it out within USDA 2-11 (frost-tender annual, thrives in heat) 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 pazazz mix portulaca below its minimum temperature?

It tolerates winter lows to about −20 °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.