Botanical Name: Syagrus romanzoffianum (Arecastrum romanzoffianum)
Common Name: Queen Palm
Type of Plant: monocot: tree
Character evergreen
 
Habit of Growth:
Overall Shape very erect, single-trunk, self-cleaning feather palm; trunk is gray, 1'-2' diam., with conspicuous leaf-scar rings; fronds arch upwards and out to form large open canopy; lower fronds tend to droop
Height 20'-40'(50')
Spread 1/3-1/2
Growth Rate slow-moderate
 
Environment:
Exposure outdoors full or partial sun; protect from heavy winds
Soil prefers well-drained location; tolerates most soils
Hardiness some frost (zones 12, 13, 15-17, 19-24); grows best in warm
 
Morphology:
Leaves feather-shaped frond; 10'-15' long, bright green; the pinnae are narrow and soft -pointed, 2'-3' long; petiole is unarmed
Flowers the plant is monoecious: of yellow staminate and pistillate flowers in a crowded 2'-3' spadix developing between fronds; summer-late fall
Fruit a leathery, hard drupe: oval, 1" long, yellow when ripe
 
Propagation:
seed
 
Usage:
a large-scale vertical accent palm, valued for its erect form and clean appearance; widely used as street tree; best for larger landscapes-tropical style; the most widely used palm in California
 
Landscape Care:
Watering regular is preferred, but plant is fairly drought-tolerant
Fertilizing little required, but responds with rapid growth with nitrogen
Pruning none, except to remove wind-damaged fronds
Pests/Diseases relatively free; spider mites
Special Conditions/Other
 
Origin: Brazil/Argentina
Family: Arecaceae

Notes:
 
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