Calandrinia
Calandrinia grandiflora (syn. Cistanthe grandiflora)
Calandrinia, commonly known as Rock Purslane, is a stunning succulent perennial producing brilliant magenta flowers on tall stems above blue-green foliage. Native to Chile, it thrives in heat and drought.
Montiaceae (formerly Portulacaceae)
Spring through fall (March-November); nearly year-round in frost-free climates
Symbolism & Meanings
Key Meanings
Perfect For
Color Meanings
Similar flowers: centranthuss and desert roses also share similar meanings.
Cultural Significance
Rock Purslane has become increasingly popular as water conservation becomes critical in arid regions. Native to Chile's dry slopes, it symbolizes resilience and the ability to thrive with minimal resources. The brilliant magenta flowers floating above succulent foliage represent cheerfulness and vibrant energy even in challenging conditions. The plant has been embraced in California, Arizona, and other dry regions as a sustainable alternative to water-hungry ornamentals.Shop Our Floral Collection
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Physical Characteristics
Natural Habitat
Growing Guide
Sunlight
Full sun preferred; tolerates light afternoon shade in hot climates
Water
Low; drought-tolerant once established, requires minimal watering (overwatering is fatal)
Soil
Well-drained, Sandy, Gravelly, Poor to moderately fertile, Dry, Neutral to slightly alkaline pH
Expert Growing Tips
Plant in spring for best establishment
Ensure excellent drainage - root rot is main cause of death
Space plants 18-24 inches apart
Water sparingly once established; allow soil to dry between waterings
Avoid rich soil and fertilizers which reduce flowering
Deadhead spent flowers to encourage continuous blooming
Flowers open in sun, close at night or on cloudy days
Cut back leggy plants in late winter to rejuvenate
Propagate easily from cuttings in spring
Hardy in zones 9-11; grown as annual elsewhere
May need afternoon shade in extremely hot climates (>100°F)
Uses & Benefits
Ornamental Uses
- Rock gardens and xeriscapes
- Drought-tolerant landscapes
- Parking strips and dry borders
- Container plantings
- Groundcover for dry areas
- Coastal gardens (salt-tolerant)
- Slopes and banks for erosion control
- Pollinator gardens (attracts bees)
Further Reading
Frequently Asked Questions about the Calandrinia
why is my rock purslane dying
Rock Purslane typically dies from overwatering and poor drainage — ensure soil drains quickly, water sparingly, and avoid planting in heavy clay or overly moist areas.
is calandrinia an annual or perennial
Calandrinia is a tender perennial hardy in zones 9-11 — in colder climates it's grown as an annual, dying in frost, but may self-seed in mild areas.
why don't my rock purslane flowers open
Rock Purslane flowers open only in full sun and close at night or on cloudy days — ensure the plant receives at least 6 hours of direct sunlight daily.
how often should i water rock purslane
Water Rock Purslane sparingly once established, allowing soil to dry completely between waterings — in hot weather, water deeply once weekly at most, less in cooler weather.
Available Colors
Quick Facts
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Centranthus
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Desert Rose
Adenium obesum
Desert Rose is a stunning succulent with a thick, sculptural stem and vibrant trumpet-shaped flowers. Native to Africa and the Arabian Peninsula, it symbolizes endurance, beauty in harsh conditions, and resilience.
Erigeron
Erigeron spp.
Erigeron, commonly known as fleabane, features delicate daisy-like flowers that bloom prolifically throughout summer. These hardy perennials symbolize perseverance and natural beauty.