Araucaria heterophylla
   
Common Name: Norfolk Island pine
Type: Needled evergreen
Family: Araucariaceae
Zone: 9 to 10
Native Range: Norfolk Island
Garden Location: Kemper Center for Home Gardening Building
Height: 100 to 200 feet
Spread: 20 to 25 feet
Bloom Time: Non-flowering
Bloom Description: 
Sun: Part shade
Water: Medium
Maintenance: Low
Leaves: Evergreen
Other: Winter Interest

Culture

Plants may be grown in the ground in Zones 9-11. In St. Louis, plants are grown indoors in containers or tubs in a well-drained, peaty potting mixture. Plants grow best in bright indirect light. Avoid direct afternoon sun which can bleach the foliage color. Consistent moisture year around, but slightly reduced watering in winter. Avoid overwatering. Regular temperatures in summer and minimum 50º F in winter.

Noteworthy Characteristics

Norfolk Island pine is an evergreen, coniferous tree that is native to Norfolk Island off the coast of Australia. In the wild, it may grow to as much as 200’ tall. In St. Louis, it is grown as a container/tub plant, typically in the 3-6’ tall range. Grows slowly and in proper growing conditions has a long life. It looks like a pine with horizontal needle-like branches, but it is not part of the pine genus. Synonymous with A. excelsa.

Problems

No serious insect or disease problems. Watch for spider mites or scale. Root rot may occur in poorly-drained soils.

Garden Uses

Houseplant for bright areas.