Cook's Pine

Cook's Pine Care

Araucaria Columnaris

What is the plant

Araucaria columnaris, as described in 1786 by Johann Reinhold Forster, in Florulae Insularum Australium Prodromus, 67 edition, is commonly known as the coral reef araucaria, Cook pine, New Caledonia pine, Cook araucaria, or columnar araucaria. It was first classified by botanists working on Captain James Cook's second voyage of exploration. The Coral reef araucaria is often confused with the Norfolk Island pine (A. heterophylla) because of their similar appearance.

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Lighting

Full Sun

Hardiness zone

min 9b

Difficulty

Medium

How to Care for the Plant

Water
During the active growth period water plentifully, as often as necessary to keep the potting moisture thoroughly moist, but never allow the pot to stand in water. During the rest period water moderately, enough to make the potting mixture thoroughly moist, but allow the top 2-3cm (0.8-1 inch) to dry out between waterings.
Pruning
Do not trim or prune the Araucaria heterophylla. Never cut off the top or trim the sides of this plant. It does not need to be shaped at all. Remove any lower branches that die, using sharp pruners to prevent tearing the stems.
Fertilizer
Apply liquid fertiliser to the potting mixture every two weeks in the active growth period.

Disease diagnosis

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Sunlight
Araucaria heterophylla do best in medium light. They should not be placed too far from the window, however, or their needles will fall. Turn the plant regularly to encourage symmetrical growth.
Soil
Soil type Clay, Loamy, Sandy
Temperature
A wide range of temperatures (ideally 7-24oC (45-75oF)) can be tolerated. Above 27oC these conifers must have high humidity; mist-spray the foliage occasionally. Provide some ventilation or stand outside during the summer months.

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Additional
Some people may experience a strong allergic reaction if they touch the leaves.
Popularity
260 people already have this plant 37 people have added this plant to their wishlists