Pronunciation: jew-BAY-uh x sigh-AHG-russ
Common Name: none
Jubaea chilensis x Syagrus romanzoffiana is slowly becoming a more common palm in California, partly due to its tolerance of so many different conditions, but mostly because growing hybrids is becoming more of a popular thing to do. This cross makes for a fairly impressive, large, fast growing palm. But like most hybrid palms, finding one is often a challenge.
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Appearance and Biology
- Habit: solitary with a crown of15-30 feather leaves
- Height: 50' estimate
- Trunk: single; 1'+ thick; weave of brown fibrous material on younger palms, often with retained leaf bases
- Crownshaft: none
- Spread: 20'+
- Leaf Description: pinnate; flat; 10'-15' long; deep green; long, narrow, closely spaced, fairly stiff leaflets; leaves often with a 90 degree twist in them- leaves are much more Jubaea-like than like those of a Syagrus
- Petiole/Leaf bases: 1' long; flat on top; unarmed; un-split leaf bases; deep green; often retained on trunk near top
- Reproduction:
- Inflorescence:
- Fruit:
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Horticultural Characteristics
- Minimum Temp: 20F estimate
- Drought Tolerance: good
- Dry Heat Tolerance: excellent
- Cool Tolerance: good
- Wind Tolerance: good
- Salt Tolerance: unknown
- Growth Rate: moderate
- Soil Preference: adaptable
- Light Requirement: full sun
- Human Hazards: none
- Disease or Horticultural Problems: none known
- Transplants?: unknown
- Indoor?: unknown
- Availability: very rare
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maturing palm in the garden of Gary Levine, Escondido, California
another shot of same palm, Escondido
same palm a lot younger in Gary's garden
in the garden of Jim Denz, Los Altos, northern California
