AMANDA PHILLIPSOCTOBER 28 T H , 2014

ENVIRONMENTAL SCIENCE & NATURAL RESOURCES

PERIOD 3

Japanese Black PinePinus thunbergiana

Background Information

Common Name: Japanese Black Pine

Scientific Name: Pinus thunbergiana

Hardiness Zone: 5 – 9

Plant type: Evergreen tree

Geographical Origin: Japan

No flowerCones emerge in early

May – Take 1 to 2 years to mature

Mature Just emerging

Cones

Needles

Live 3 to 4 yearsDark green2 needles per tuft2 to 4 inches longNew needles emerge and push the older ones

back

Needles

Requirements

Sun exposure: Full sun

Moisture requirements: Moderate, but can also

survive droughts Soil requirements:

Widely adaptable Prefers well-drained

Height and Spread

Mature: Spread – 20 to 40 feet Height – 50 to 70 feet,

some dwarf versions that get as tall as they do wide

Dwarfs about 6 to 8 feet tall

Can be used as a Bonsai

Can be pruned to maintain a smaller size in the landscape

Resistance

Extremely salt tolerantResistant to the Pine Beetle and other

common pine pestsCan survive extreme heat and droughtsOverall a tough tree

Delaware Uses

Were planted in from Lewes south down to the Indian River inlet

Currently trying to be eradicated Invasive species Threatens the other environments in Delaware

Pros Cons

Can be easily transplantedAdaptableTolerance:

Drought Pollution Salt

Can be used as a BonsaiCan be used for:

Flavorings Medicines Thickeners for soups and

breads

Pests: Pinewood Nematode Blue stain fungus

Doesn’t get tall – Not a good shade tree

No year round interest – Green all year

Invasive

Summary

• HTTP: / /WWW.EVERGREENPLANTNURSERY.COM/JAPANESE-BLACK-PINE-P /PINJAP1.HTM

• HTTP: / /WWW.NATUREHILLS.COM/JAPANESE-BLACK-PINE

• HTTP: / /EN.WIKIPEDIA.ORG/WIKI /PINUS_THUNBERGIANA

• HTTP: / /PLANTS.CES.NCSU.EDU/PLANTS/ALL/PINUS -THUNBERGIANA/

References