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Description

The Torrey pine grows into tall upright tree, 40-70 ft. high, 25-40 ft. wide. It is easily recognized by its distinctive 8-13 in. long gray-green needles that are bundled in fascicles of 5. Young trees can be sparse and open in character; mature trees become dense and can develop a broad crown.

Torrey pine is native to limited areas of San Diego County, California. It inhabits coastal bluffs and hillsides in sandy well-draining soils, and grows with less than 10 in. of annual rainfall. Torrey pine has been planted with good success in ornamental landscapes in the Inland Empire where it is planted in large landscape areas, including large slopes, in parks and along roadways where its size offers good landscape impact.

Water Needs

The Torrey pine performs best in gardens and landscapes when planted in well-drained soils and with sufficient space to accommodate its large size. It is adapted to growing only with winter rains once established; young trees will grow faster and larger with low amounts of summer waster to avoid drought stress.

The chart shown below provides a baseline guide to the monthly irrigation schedule and volume of supplemental water needed to maintain healthy growth throughout the average year. It should be noted there are several months marked by an asterisk (*) when winter rains can provide sufficient moisture and irrigation is not needed.

Irrigation Schedule and Graph

Low Water Use Plants

Irrigation Schedule 1

  Jan* Feb* Mar* Apr May Jun Jul Aug Sep Oct Nov* Dec*
Runs per Month 0x to 2x 0x to 2x 0x to 2x 1x 1x 1x 1x 1x 1x 1x 0x to 2x 0x to 2x
Inches per Run 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1"
 
Inches per Month 0" to 2" 0" to 2" 0" to 2" 1" 1" 1" 1" 1" 1" 1" 0" to 2" 0" to 2"

Range of supplemental summer water: 7"
Range of supplemental winter water: 0"-10"

 
0"-2"
0"-2"
0"-2"
1"
1"
1"
1"
1"
1"
1"
0"-2"
0"-2"
  Jan* Feb* Mar* Apr May Jun Jul Aug Sep Oct Nov* Dec*
For more information on how to use this Irrigation Schedule and Graph, follow this link.

For information how to calculate your irrigation system’s schedule and precipitation rate, please follow this link.

Plant Properties

Plant Type: Tree, Native
Foliage Character: Evergreen, Coniferous
Habit: Upright, Open
Growth Rate: Fast
Height: 60 ft. - 80 ft.
Width: 30 ft. - 45 ft.
Water Needs: Low 1
Foliage Color: Pale green
Flower Color: Insignificant
Flower Season: Winter
Soil Adaptations: Well-draining soil, Sand
Exposure Adaptations: Wind, Fog, Drought, Coastal salt air, All day sun
Function: Wildlife value, Slopes, Parks and open space, Background plant, Fragrant foliage

Maintenance

Prune in winter if needed (D).

References

Associations

Plant Lists