Pinus Species, Japanese Red Pine, Korean Red Pine

Pinusdensiflora

Family
Pinaceae (py-NAY-see-ee)
Genus
Pinus (PY-nus)
Species
densiflora (den-see-FLOR-uh)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Evergreen
Provides Winter Interest
Height
over 40 ft. (12 m)
Hardiness
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
Bloom Color
Bloom Time
Other Details
Category
Trees
Conifers
Water Requirements
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Propagation Methods
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
Seed Collecting
Regional

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

Louisville, Kentucky

Taylorsville, Kentucky

Lake Stevens, Washington

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Gardener's Notes:

1
positive
1
neutral
0
negative
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P
P
Lake Stevens, WA (Zone 8a) | November 2013 | positive

Soft needles, not at all prickly.

P
Acton, CA (Zone 8b) | April 2004 | neutral

this tree has a broader climate range than indicated... seen several in Southern California in 9b zones doing well.

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