Cotyledon Species, Pig's Ear, Round-Leafed Navel Wort

Cotyledonorbiculata

Family
Crassulaceae (krass-yoo-LAY-see-ee)
Genus
Cotyledon (kot-EE-lee-don)
Species
orbiculata (or-bee-kul-AY-tuh)
Synonym
Cotyledon orbiculata var. hinrichseniana
Cotyledon orbiculata subsp. orbiculata
Cotyledon orbiculata var. oophylla
Cotyledon ungulata
Adromischus mucronatus
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Grown for foliage
Evergreen
Smooth
Height
4-6 ft. (1.2-1.8 m)
Spacing
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
36-48 in. (90-120 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)
Danger
All parts of plant are poisonous if ingested
Bloom Color
Red-Orange
Bloom Time
Mid Winter
Other Details
Category
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Bronze
Blue-Green
Where to Grow
Can be grown as an annual
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
Allow cut surface to callous over before planting
Seed Collecting
Bag seedheads to capture ripening seed
Regional

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

Phoenix, Arizona

Brentwood, California

Calistoga, California

Carlsbad, California

Clayton, California

El Macero, California

Fairfield, California

Lodi, California

Pleasant Hill, California

Ramona, California

Reseda, California

Richmond, California

San Jose, California

San Leandro, California

Spring Valley, California

Thousand Oaks, California

Vista, California(9 reports)

Woodcrest, California

South Bend, Indiana

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Gardener's Notes:

2
positives
2
neutrals
0
negative
Sort By:
Sort By:
C
Lodi, CA (Zone 8b) | October 2009 | positive

It is hard in my zone to find succulents other than echeveria or sedum to survive the winters. However, this plant has survived frost, u...Read More

J
J
Belfield, ND (Zone 4a) | July 2008 | neutral

Additional synonyms: Cotyledon orbiculata var. rotundifolia, Cotyledon elata, Cotyledon orbiculata var. engleri, Cotyledon undulata var. ...Read More

P
Acton, CA (Zone 8b) | September 2004 | neutral

Highly variable species... have seen some with small green leaves, large silver leaves, ovoid, long, round, flat... etc. Not sure if all...Read More

H
Northern California, CA | August 2003 | positive

Here in Northern California I have the "blue" form growing in several pots by design and other places just by accident. It really will ta...Read More

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