Stone Plant
Argyrodermapearsonii

Family: Aizoaceae (ay-zoh-AY-see-ee)
Genus: Argyroderma (ar-gy-ro-DERM-uh)
Species: pearsonii (peer-SON-ee-eye)

Synonym:Argyroderma amoenum

Synonym:Argyroderma luckhoffii

Synonym:Argyroderma ovale

Synonym:Argyroderma schlechteri

Synonym:Argyroderma testiculare var. pearsonii

Category
Cactus and Succulents

Water Requirements
Drought-tolerant; suitable for xeriscaping

Sun Exposure
Full Sun

Foliage
Grown for foliage
Smooth

Foliage Color
Bronze
Orange/Apricot

Height
under 6 in. (15 cm)

Spacing
3-6 in. (7-15 cm)

Hardiness
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)

Where to Grow
Suitable for growing in containers

Danger
Seed is poisonous if ingested
Parts of plant are poisonous if ingested
All parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction
Plant has spines or sharp edges; use extreme caution when handling
Pollen may cause allergic reaction

Bloom Color
Coral/Apricot
Pale Yellow
Bright Yellow
Lavender
White/Near White

Bloom Characteristics

Bloom Size

Bloom Time
Late Fall/Early Winter
Mid Winter

Other details

Soil pH requirements
4.5 or below (very acidic)
4.6 to 5.0 (highly acidic)
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
8.6 to 9.0 (strongly alkaline)
over 9.1 (very alkaline)

Patent Information
Non-patented

Propagation Methods
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
From seed; direct sow after last frost
From seed; germinate in a damp paper towel

Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored