Ptychosperma Species, Darwin Palm, Macarthur Palm

Ptychospermamacarthurii

Family
Arecaceae (ar-ek-AY-see-ee)
Genus
Ptychosperma (tik-oh-SPER-muh)
Synonym
Actinophloeus macarthurii
Ptychosperma bleeseri
Ptychosperma hospitum
Sun Exposure
Full Sun
Sun to Partial Shade
Light Shade
Partial to Full Shade
Foliage
Evergreen
Height
20-30 ft. (6-9 m)
30-40 ft. (9-12 m)
Spacing
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)
15-20 ft. (4.7-6 m)
20-30 ft. (6-9 m)
Hardiness
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
White/Near White
Bloom Time
Other Details
Category
Trees
Palms
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
From seed; germinate in vitro in gelatin, agar or other medium
Seed Collecting
Wear gloves to protect hands when handling seeds
Seed does not store well; sow as soon as possible
Regional

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

Huntington Beach, California

Cape Coral, Florida

Fort Myers, Florida

Jensen Beach, Florida

Naples, Florida

Pompano Beach, Florida

Port Charlotte, Florida

Hana, Hawaii

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Gardener's Notes:

3
positives
0
neutral
0
negative
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K
Southgate, FL | May 2014 | positive

Sarasota, FL.. I planted this palm (actually, a clump of 3) in 2002 at my new home. The plant was appx 6 feet tall at time of purchase. ...Read More

P
P
| November 2007 | positive

It's one of an easy growing plant in Thailand and it's a popular plant for Landscape architectures.

P
Acton, CA (Zone 8b) | June 2004 | positive

This is one of the two most common Ptychospermas in cultivation, from N Australia and New Guinea. It is a tall, spreading clumping speci...Read More

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