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Araucaria Bidwillii

Araucaria Bidwillii

Description

Araucaria Bidwillii, also known as the Bunya Pine, is a large and striking evergreen tree that originates from Australia. It is a slow-growing tree that can reach heights of up to 80 feet and widths of up to 30 feet. Its branches are arranged in a spiral pattern around the trunk, and its foliage consists of dark green, needle-like leaves that are about 1 inch long.

Taxonomic Information

Domain Eukaryota
Kingdom Plantae
Phylum Pinophyta
Class Pinopsida
Order Pinales
Family Araucariaceae
Genus Araucaria

Appearance

Araucaria Bidwillii is a large tree with a conical shape that can reach heights of up to 80 feet. Its bark is thick and rough, with deep furrows and ridges. Its branches are arranged in a spiral pattern around the trunk and are covered with dark green, needle-like leaves that are about 1 inch long. Its cones are large and round, measuring up to 12 inches in diameter and weighing up to 22 pounds. The cones are covered in sharp, pointed scales that protect the tree’s seeds.

Care Guide

Water

Araucaria Bidwillii requires regular watering, especially during the first few years of growth. It prefers well-draining soil that is kept moist but not waterlogged. During periods of drought or high temperatures, it may require additional watering.

Fertilization

Araucaria Bidwillii benefits from regular fertilization with a balanced, slow-release fertilizer. Fertilize the tree in the spring and fall, following the manufacturer’s instructions.

Soil

Araucaria Bidwillii prefers well-draining soil that is slightly acidic. It can tolerate a wide range of soil types, including clay, loam, and sand.

Sunlight

Araucaria Bidwillii prefers full sun but can tolerate some shade. It grows best in areas with moderate to high humidity.

Hardiness Zones

Araucaria Bidwillii is hardy in USDA zones 9-11.

Common Pests & Diseases

Araucaria Bidwillii is susceptible to a variety of pests and diseases, including scale insects, spider mites, and root rot. Regular inspection and treatment with insecticides and fungicides can help prevent and control these problems.

Habitat

Araucaria Bidwillii is native to Australia and grows in a variety of habitats, including rainforests, savannas, and mountainous regions. It prefers areas with moderate to high humidity and well-draining soil.

Questions and Answers

Q: How fast does Araucaria Bidwillii grow?

A: Araucaria Bidwillii is a slow-growing tree that typically grows 6-12 inches per year.

Q: How often should I water my Araucaria Bidwillii?

A: Araucaria Bidwillii requires regular watering, especially during the first few years of growth. It prefers well-draining soil that is kept moist but not waterlogged.

Q: What is the best fertilizer for Araucaria Bidwillii?

A: Araucaria Bidwillii benefits from regular fertilization with a balanced, slow-release fertilizer. Fertilize the tree in the spring and fall, following the manufacturer’s instructions.

Q: What are the hardiness zones for Araucaria Bidwillii?

A: Araucaria Bidwillii is hardy in USDA zones 9-11.

Related Plants

  • Araucaria araucana
  • Araucaria cunninghamii
  • Araucaria heterophylla
  • Araucaria montana

References

  • Encyclopedia of Life. (n.d.). Araucaria bidwillii. Retrieved from https://eol.org/pages/1086127
  • Gardening Know How. (n.d.). Bunya Pine Tree Care – Learn About Growing Araucaria Bidwillii. Retrieved from https://www.gardeningknowhow.com/ornamental/trees/bunya-pine/bunya-pine-tree-care.htm
  • Morton Arboretum. (n.d.). Araucaria bidwillii. Retrieved from https://www.mortonarb.org/trees-plants/tree-plant-descriptions/bunya-pine

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