Agathis robusta

USDA Plant Hardiness Zone Map

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The Queensland Kauri or Agathis robusta is a majestic tree that is native to Australia. It has cones that are 3-4 inches long, on a short stalk, and very resinous. This tree is best suited for large gardens and public spaces as it is slow-growing and can reach great heights.

Agathis robusta is hardy to USDA Zone 8-11, and can tolerate temperatures down to about mid-20°F for a short time. It should be planted in a full sun location and will require moderate water during the growing season. However, it can withstand dry periods once established.

This tree is an excellent timber tree and is prized for its durability. The Queensland Kauri has one of the strongest timbers in the world and is used in construction, shipbuilding, and furniture making.

The Queensland Kauri is an attractive tree with an upright and well-formed crown. It requires little maintenance once established, but new plants should be watered deeply and regularly until they become well established. This process can take up to two years depending on the climate.

Overall, Agathis robusta is an excellent choice for those looking for a hardy and impressive large specimen for the garden or public space. The slow-growing and long-lived tree is sure to provide an interesting focal point and add an air of prestige to any area.