Titanopsis Species, Concrete Leaf Living Stone, Jewel Weed

Titanopsis calcarea

Family
Aizoaceae (ay-zoh-AY-see-ee)
Genus
Titanopsis (ty-tan-OP-sis)
Species
calcarea (kal-KAR-ee-uh)
Synonym
Mesembryanthemum calcareum
Titanopsis calcareum
Sun Exposure
Full Sun
Sun to Partial Shade
Light Shade
Foliage
Height
under 6 in. (15 cm)
Spacing
3-6 in. (7-15 cm)
Hardiness
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)
Bloom Color
Bright Yellow
Bloom Time
Late Winter/Early Spring
Mid Spring
Mid Winter
Other Details
Category
Cactus and Succulents
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Bronze
Where to Grow
Can be grown as an annual
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.6 to 7.5 (neutral)
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
Regional

This plant is said to grow outdoors in the following regions:

Phoenix, Arizona

Calabasas, California

Los Angeles, California

Mission Viejo, California

Perris, California

Richmond, California

Riverside, California

Santa Maria, California

Henderson, Nevada

Roswell, New Mexico

Cleveland, Ohio

Grenoble, Rhône-Alpes

Richmond, Texas

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Gardener's Notes:

0
positive
3
neutrals
0
negative
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V
(Zone 8a) | November 2009 | neutral

This is a lovely succulent but it rots very quickly if too much moisture. One rainy day is all it will take. If more rain is in the for...Read More

C
Henderson, NV (Zone 9b) | December 2005 | neutral

Can also be found under the name Titanopsis calcareum. This plant is from South Africa. It can tolerates high heat and also down to 25F.

C
(Zone 10b) | November 2005 | neutral

Rosettes to 10 cm wide; leaves to 2.5 cm long with truncate tip densely covered with grey tubercles; yellow flowers.

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