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PlantFiles: Aren Gelora
Arenga undulatifolia

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Family: Arecaceae (ar-ek-AY-see-ee) (Info)
Genus: Arenga (aw-REN-guh) (Info)
Species: undulatifolia (un-dew-lay-tih-FOH-lee-uh) (Info)

Category:
Palms

Height:
over 40 ft. (12 m)

Spacing:
20-30 ft. (6-9 m)
30-40 ft. (9-12 m)
over 40 ft. (12 m)

Hardiness:
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Sun to Partial Shade

Danger:
Seed is poisonous if ingested

Bloom Color:
Unknown - Tell us

Bloom Time:
Unknown - Tell us

Foliage:
Grown for foliage
Evergreen

Other details:
Requires consistently moist soil; do not let dry out between waterings
This plant is monocarpic

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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There are a total of 13 photos.
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Profile:

2 positives
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive jgregan On Jan 12, 2004, jgregan wrote:

I found this website for the 1st time tonight.
I live in Cairns - North-East Australia - a very warm tropical area with rainfall averaging over 100 inches a year.
I have 3 Arenga Undulatifolias growing in my front garden and they are indeed a beautiful palm.
I planted mine about 8 years ago when they were about 1ft tall. 2 of them are now about 10 ft tall with fronds at least 15ft long.
They are a very spectacular palm - probably more suited to tropical areas and big gardens.
I would suspect that your hardiness description on the website is a bit optimistic. They are native to the Borneo/Phillipines area and would not be happy with temperatures down to 4.5 deg C.

Positive palmbob On Dec 7, 2003, palmbob from Acton, CA (Zone 8b) wrote:

Though I can't grow this palm in California (save in rare microclimates), it is a fantastic huge palm for large tropical gardens. It has a fantastic ruffled leaflet and tremendously long leaves (10'plus) that spread quite a distance in all directions. It is a suckering palm so it takes up a lot of room. The leaflets are not only attractive in being wavy, but are large, fishtail-shaped and have an attractive whitish undersurface.

Later note: this palm performs wonderfully in Hawaii, a zone 11. The best examples of it I have ever seen are from that zone. However, there is a local grower who has had one in the ground for 5 years (zone 10b) but under a lot of canopy. Whether it will survive to adulthood remains to be seen. Perhaps this palm will survive even cooler temps than we first thought.

Regional...

This plant has been said to grow in the following regions:

Naples, Florida
Ainaloa, Hawaii



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