How deep is the root system of a giant sequoia?

4 meters (13 feet)
20 meters (60 feet)
40 meters (130 feet)
80 meters (260 feet)
The sequoias root system is wide spreading, but shallow. There is no taproot. A mature sequoia's roots can occupy over 1 acre of earth and contain over 90,000 cubic feet of soil.
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Answers by country

4 meters (13 feet)
20 meters (60 feet)
40 meters (130 feet)
80 meters (260 feet)
answers
flagPakistan
40%
10%
30%
20%
20
flagthe United States
28%
10%
32%
27%
183
flagUnknown
28%
17%
25%
28%
28
flagIndia
26%
16%
29%
26%
149
flagthe Philippines
26%
6%
33%
33%
15
flagAustralia
25%
25%
33%
16%
12
flagthe United Kingdom
23%
23%
28%
23%
38
flagUkraine
22%
22%
27%
27%
18
flagPoland
21%
18%
29%
30%
6524
flagCanada
18%
9%
36%
36%
11