root growth direction

furl707

Well-Known Member
do roots prefer to grow down or outwards? what would be better to have a hole that goes 30inches down and 30inches wide or a hole that goes 20 inches down and 40 inches wide?
i googled it and couldnt figure out the answer
 

tdiddy

Well-Known Member
Tap roots go down, others branch. Probably doesnt matter, they will grow around any container they are in if they hit a barrier.
 
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