The illustrated growing guide

Hardy Ice Plant

Delosperma cooperi

Family Aizoaceae

Est. zones 5-9

Botanical illustration of Hardy Ice Plant
Succulent · Delosperma cooperi

A groundcover of glowing, almost fluorescent daisy flowers over succulent foliage, blooming all summer in the hottest, driest, most-neglected spot — a gravel bank, a hell strip, a rock wall. Hardy to zone 5 IF it has sharp winter drainage; the only way to kill it is soggy winter soil. Bees adore it.

SucculentFull SunLow waterFast growthSalt-tolerantAttracts beesNone winter chill

Where to buy the plant — 2 nurseries

I

Overview

Will hardy ice plant suit your garden, and what goes wrong.

Will it thrive where you are?

Enter your ZIP — we look up your USDA hardiness zone (2023 map) and check it against what hardy ice plant actually needs.

Hardy inZones 5-9
Winter chillNone

Hardy Ice Plant at a glance

HardinessUSDA 5–9
Mature size2-3 in mat
PollinationBees love the daisy-like blooms
Chill requirementNone (not chill-dependent)
Bloom seasonLate Spring - Fall (neon magenta/orange/yellow, dazzling in sun)
Harvest seasonNot yet established
Growth rateFast

Common hardy ice plant problems

  • Almost none
  • Root/Crown Rot in wet winters (the ONLY real risk)

II

Growing

Light, water, soil, propagation and the season’s jobs.

How to grow hardy ice plant: light, water & soil

LightFull Sun
WaterVery low — the more neglect the better
SoilSandy, gravelly, SHARP drainage; winter-wet is fatal · pH 6.0 - 7.5
FertilizerNone
PruningSpring cleanup — Shear off winter-tattered growth in spring; it fills back fast.
Spacing12-18 in

How to plant & propagate hardy ice plant

PropagateStem/leaf cuttings, division, or pups

When to spray hardy ice plant

Growing season. Gritty soil + winter drainage is the whole game.

III

The year

What hardy ice plant asks for, month by month.

The hardy ice plant year, month by month

MonthJanFebMarAprMayJunJulAugSepOctNovDec
Bloom
Prune

What each band means

  • Bloomflowers open — pollinators working, frost on blossoms is the danger.
  • Pruneshape it now — cuts heal cleanly and structure is visible.

The hardy ice plant year as text

  • Jan quiet month
  • Feb quiet month
  • Mar pruning
  • Apr pruning
  • May bloom, pruning
  • Jun quiet month
  • Jul quiet month
  • Aug quiet month
  • Sep bloom
  • Oct bloom
  • Nov bloom
  • Dec quiet month

These are the species' typical months — expect them a few weeks earlier in warm zones and later in cold ones. Watch the plant, not just the calendar.

IV

Ecology & uses

What it does for the garden, and what it is grown for.

Hardy Ice Plant in the garden system

  • Groundcover layer succulent
  • Nectary/insectary
  • Living mulch
AttractsBees
HabitatDry/rocky
MoistureUpland / dry
SaltSalt-tolerant — fine near roads and coasts
DeerBrowsed — protect young plants
OriginIntroduced

What hardy ice plant is grown for

✓ Not known to be toxic

UseHell strips
UseRock walls
UseXeriscape color

Edibility, identification, and traditional-use notes here are general reference — not medical or veterinary advice, and not a claim that any plant treats or prevents anything. Medicinal ratings record how strongly a plant features in herbal tradition, nothing more. Never eat or dose a plant you have not positively identified. More on how to use this library.

V

Cultivars

Named varieties of hardy ice plant, ruled as a catalogue.

Best hardy ice plant varieties & cultivars

'Cooperi' (magenta); 'Fire Spinner' (tricolor); 'Jewel of Desert' series

VI

Sources & plant ID

Where the care distinctions come from, and how the plant is filed.

Research basis

Sources behind this profile

No extension citations are attached to hardy ice plantyet. The care figures below come from the library's own catalogue rather than a traced primary source.

Plant ID

BinomialDelosperma cooperi
FamilyAizoaceae
TypeSucculent · Perennial
OriginIntroduced
Invasive riskLow

VII

Where to buy

Third-party nurseries — not Story Thyme Farms.

Third-party nurseries, not Story Thyme Farms. Prices are theirs.

Story Thyme Farms may earn a small commission from these links, at no cost to you — it never changes what we recommend. As an Amazon Associate I earn from qualifying purchases.

VIII

Questions

Hardy Ice Plant questions, answered straight.

Is hardy ice plant safe for kids and pets?

Hardy Ice Plant is commonly eaten and isn't considered toxic, but "commonly eaten" isn't a guarantee for any particular person or animal — allergies, quantity, and which part you eat all matter. Never eat a plant you haven't positively identified, and check with a vet before letting pets or livestock graze anything new.

How do you propagate hardy ice plant?

Stem/leaf cuttings, division, or pups.

IX

Elsewhere

Where hardy ice plant sits in the library.