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The traditional sunflower (the name of the variety is American Giant) averages about 12 ft tall though it can vary based amount season, available water, how closely they are planted, and other factors. Most are between 10' and 15'. Other varities range in height from 1 foot (the Jerusalem Sunrise Lemon Dwarf variety) to 16' (the Cyclops Hybrid). There are many varieties in the 6' to 8' range.

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13y ago
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13y ago

a marigold can grow anywhere between 6" to even 4 feet! as for the exact avg of height I'm not completely sure but full grown, depending on the species (french African etc...) id have to say ABOUT 8" to 1.2 feet... again they differentiate depending on the species of marigolds

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Q: What is the average height of a sunflower?
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