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Nature

How tall is a giant sunflower?

A typical giant sunflower is about 3 m (9 ft 10 in) tall.

What is measured: Typical cultivated plant height

Giant sunflower (3 m) drawn to scale beside a doorway (2 m) and a 20-foot shipping container (6.06 m)
Drawn to scale, from left to right: Doorway (2 m), Giant sunflower (3 m) and Shipping container (20 ft) (6.06 m).

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How big is that, really?

  • A little taller than a doorway
  • About 1.8× as tall as an adult person
  • About 50% of the length of a 20-foot shipping container
  • About 7.9× as tall as a bowling pin
  • About 25% of the length of a city bus

Learn

Facts about Giant sunflower

Some cultivated giant sunflowers grow several metres tall, with a flower head made of many individual florets.

Source: Royal Horticultural Society, “Sunflowers”; Encyclopaedia Britannica, “sunflower”

Nature

NameSizeCompared with Giant sunflower
Red kangaroo1.8 m (5 ft 11 in)0.6×
Welwitschia2 m (6 ft 7 in)0.67×
Moeraki Boulder2.2 m (7 ft 3 in)0.73×
Harpy eagle2.2 m (7 ft 3 in)0.73×
Bald eagle2.3 m (7 ft 7 in)0.77×
Victoria amazonica leaf3 m (9 ft 10 in)same size
Giant sunflower3 m (9 ft 10 in)this page
Giant Pacific octopus3 m (9 ft 10 in)same size
California condor3 m (9 ft 10 in)same size
Japanese spider crab3.7 m (12 ft)1.2×

Test your sense of scale

Which is bigger: Giant sunflower or Japanese spider crab?

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