Pinus densiflora
'Oculus Draconis'
Dragons-eye Japanese Red Pine
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One of the more unusual pines, when branches are viewed from the terminal it appears as if an eye is looking back at you; this is due to the yellow banding.
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Family |
Pinaceae |
Genus |
Pinus |
Species |
densiflora |
Cultivar |
'Oculus Draconis' |
Category |
Woody |
Type |
Tree (evergreen) |
Pronunciation |
USDA Hardiness Zone |
4a–8b |
Canadian Hardiness Zone |
2a - 8a |
RHS Hardiness Zone |
H4 - H7 |
Temperature (°C) |
-34 - (-7) |
Temperature (°F) |
-30 - 20 |
Height |
8 - 10 m |
Spread |
5 m |
General Description |
A medium sized evergreen with a green or yellow-green colour to it. Has unique foliage colours and if looked at from above it resembles a dragon’s eye. |
Cultivation |
Requires well drained, moist, rich, sandy-loam soils. If roots are properly pruned transplanting can be done quite easily. Tolerant of urban conditions. |
Shape |
Loosely pyramidal. |
Growth |
Slow |
ID Characteristic |
Pyramidal shape with bright yellow-green colour. It grows in full sunlight. The branches grow in an irregular form and it has a crooked trunk. |
Pests |
There are a few pests and diseases that plague this tree among them are root rot, tip blight, canker, white pine aphids and pine spittle bugs. |
Habitat |
Horticultural origin. |
Bark/Stem Description |
The bark is scaly and fissured. It is a brown colour but some can start to lean towards a brown-orange colour. |
Flower/Leaf Bud Description |
Buds can be from 1-2 cm long, cylindrical and can be quite resinous. You will find the buds to be a red-brown colour. |
Leaf Description |
Foliage is stiff and sharp. It is a green-yellow colour but turns brownish as autumn and winter set in. Needles are 7.5-12.5 cm long and have unique yellow and green coloured bands around them. Needles are in a fascicle of 2. |
Flower Description |
Plants are monoecious. |
Fruit Description |
Cones can be anywhere from 3.5-4 cm long. The cones can grow singly or in clusters, cones are oblique at the base. |
Colour Description |
Foliage is bright yellow-green in summer, but starts to turn to a brownish yellow later in the season. Bark is a brown-orange colour. |
Texture Description |
Overall the tree has a medium texture. The bark is scaly and somewhat fissured. Foliage is stiff and sharp. |
Notable Specimens |
The Gardens of Fanshawe College, London, Ontario, Canada. The Niagara Parks Botanical Gardens, Niagara Falls, Ontario, Canada. Whistling Gardens, Wilsonville, Ontario, Canada. |
Propagation |
Grafting is recommended in late winter for this cultivar. Cuttings are also taken and they have been rooted however the success rate is very low. |