Japanese Red Pine
Pinus densiflora

Family: Pinaceae (py-NAY-see-ee) (Info)
Genus: Pinus (PY-nus) (Info)
Species: densiflora (den-see-FLOR-uh) (Info)

Category:

Trees

Conifers

Height:

over 40 ft. (12 m)

Spacing:

Unknown - Tell us

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)

Sun Exposure:

Full Sun

Sun to Partial Shade

Danger:

Unknown - Tell us

Bloom Color:

Unknown - Tell us

Bloom Time:

Unknown - Tell us

Foliage:

Evergreen

Other details:

Provides winter interest

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

Patent Information:

Unknown - Tell us

Propagation Methods:

From seed; direct sow outdoors in fall

From seed; winter sow in vented containers, coldframe or unheated greenhouse

Seed Collecting:

Unknown - Tell us

Regional

This plant has been said to grow in the following regions:

Louisville, Kentucky

Taylorsville, Kentucky

Lake Stevens, Washington

Gardeners' Notes:

1
positive
1
neutral
0
negatives
RatingContent
Positive

On Nov 5, 2013, Pistil from Lake Stevens, WA (Zone 8a) wrote:

Soft needles, not at all prickly.

Neutral

On Apr 3, 2004, palmbob from Acton, CA (Zone 8b) wrote:

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