New Caledonian pine - Cook pine
Araucaria columnaris
Plant characteristics
- Araucaria columnaris : Cook pine
- Family : Araucariaceae
- Origin : New Caledonia
- Height in its natural environment : 60 m
- Hardiness: -1°C
- Flower colour : green
Height : 5 / 10 cm
Slow grower
Description of the plant
Without doubt the most beautiful Araucaria!Its columnar shape with irregular inter-storeys is breathtaking! The British explorer James Cook was also greatly impressed when he saw from his boat the famous "Isle of Pines" covered with these Araucarias, he hesitated between plants or stone columns! It was nicknamed "island closest to paradise", the Araucarias are certainly there for something…!
In New Caledonia, it is planted in sacred places and around the chief's house, it demarcates the places where people dance. Its resin is used in the manufacture of varnish, its wood in the construction of canoes. A sample was presented at the 1889 World's Fair, for the beauty of its orange-colored knots.
It is used as a Christmas tree, and its beautiful vertical column is said to lean towards the equator ... It's up to you to check!
In this plant family, of which there are only 19, Rayon de Serre is pleased to offer two other species : the classic, but superb, Araucaria araucana, or Monkey puzzle tree ; the rare and hardy Araucaria angustifolia or Parana tree
Also known as: Coral reef araucaria, Cook pine, New Caledonia pine, Cook araucaria, or Columnar araucaria,commonly known as the Christmas tree.
[Deyrolle board]
Growing tips
Repotting
When you receive your plant, repot it in a pot slightly larger than the bucket, which must be well pierced. Avoid pot covers which prevent residual water from draining away and encourage fungal diseases. Choose a fine potting soil, ideally with added perlite or sand to lighten the substrate (do not use garden soil or acidic soil such as heather). Then plan two repottings per year (spring and autumn), gradually increasing the size of the pot and adapting it to the size of the root network (the roots must have room, but not too much as the plant must be able to dry out its substrate between waterings). This avoids having to add fertilizer, which always risks burning the fragile roots of the plants and making the plant wither as soon as the fertilizer is stopped.
Watering
Moderate watering: watering should be copious (the whole root ball should be wet), but wait until the substrate has dried deeply before watering again (you can stick your finger in the soil: as long as you feel moisture, do not water). Your plant will recover better from a lack of water than from an excess of water. Always water at the base of the plant, and do not mist it, because stagnant water in the armpit of the leaves favors cryptogamic diseases. If your atmosphere is too dry, put bowls of water nearby (above radiators for example), so that evaporation humidifies the air.
For an indoor planting
A true houseplant, place it in a warm and bright place, like a veranda or behind a window, direct sunlight suits them perfectly.
For an outdoor planting
If your climate allows it, you will be able to plant your plant in full ground, a full sun is recommended. We advise you however to cultivate it in pot the first year and to make it spend the first winter in the heat, in order to strengthen it well. Plant it between the end of the risk of frost (generally at the beginning of May) and the end of August, in a soil which must be light and draining; do not hesitate to add sand and fine potting soil if necessary. Be careful with the minimum temperatures indicated: they are given for a mature plant, and you have to take into account the wind which accentuates the cold felt, as well as the water retention capacity of your soil, which can rot the roots if it is not sufficiently draining. So take a little safety margin!
Pruning
This plant can not be pruned If you feel that it is becoming too bulky, you can limit its growth by continuing to repot it and change its substrate but without increasing the size of the pot. If the root network becomes too important, do not hesitate to prune the roots.
Fertilizer
Our plants are grown naturally, without chemical fertilizers, so we advise you to repot them regularly (twice a year) rather than adding fertilizer.
In case of pest attack
If your plants are under attack by aphids or other pests, the best way to control them is by hand. Change their soil, remove as many undesirables as possible by hand and then shower your plants with a strong stream of water to eliminate any eggs that may be present. Spray them (insist on the underside of the leaves) with liquid black soap diluted in water. Repeat the operation several times at a few days interval. Take them outside in good weather, rain, sun and wind will kill most of the aggressors!