Certified Arborist Test 2025 – 400 Free Practice Questions to Pass the Exam

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What growth habit do fastigiate trees exhibit?

Wide spreading

Upright

Fastigiate trees exhibit an upright growth habit characterized by their branches growing vertically and closely arranged, which results in a narrow, column-like form. This growth pattern allows fastigiate trees to make efficient use of space, making them suitable for urban environments or areas where there is limited horizontal room.

The vertical orientation of the branches and foliage enables these trees to capture light effectively while minimizing their coverage area on the ground. This adaptation is particularly advantageous for maximizing sunlight absorption in densely planted settings and for providing shade without taking up too much lateral space, which is often desired in landscaping and city planning.

The other growth habits mentioned, such as wide spreading, weeping, and vining, represent different structural forms and adaptations that do not describe the unique upright, columnar shape of fastigiate trees.

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Weeping

Vining

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