Botanical Name: Agathis robusta
Common Name: Queensland kauri, Dammar pine Type of Plant: conifer: tree Habit of Growth: Overall Shape an erect, mostly single-trunked evergreen tree with short whorled branches forming a dense narrow canopy; lower branches tend to drop off as the plant matures, which results in the canopy being high off the ground Height 50-100' (160 ft) Spread 1/4 - 1/3 Growth Rate rapid Environment: Exposure prefers full sun; tolerates some shade at inland locations Soil thrives at moist loam habitats; avoid dry alkaline sites Hardiness some frost (zones 15-16, 20-23): prefers humid mild coastal climate Morphology: Leaves pinnate-like, elliptic-ovate to narrowly elliptic, 2-4" long, leathery; young leaves light green, older leaves dark green Flowers plants monoecious, with inconspicuous cylindrical catkins; male catkins are sessile Fruit female cone is roundish-ovoid, 4-6" long at maturity Propagation: by seed Usage: a conspicuously tall vertical accent tree for large-scale gardens, used mainly for its narrow dense form; usable for large background groves; best for subtropical or oriental-themes; young plants usable as container specimens Landscape Care: Watering prefers regular deep soakings - tolerates lawn watering; is not very drought-tolerant Fertilizing balanced, in spring (also in summer if heavily watered) Pruning little required; avoid heavy topping-back Pests/Diseases relatively free (susceptible to scale in heavy shade) Special Conditions/Other valued as a timber crop in Australia Origin: humid subtropical regions of Queensland, Australia Family: Araucariaceae Notes: |
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