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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4 meters (13 feet)
20 meters (60 feet)
40 meters (130 feet)
80 meters (260 feet)
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flagGreece
66%
8%
8%
16%
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flagRussia
50%
14%
28%
0%
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flagAustralia
45%
15%
30%
10%
20
flagUkraine
33%
21%
24%
21%
33
flagPakistan
32%
12%
28%
28%
25
flagUnknown
28%
17%
25%
28%
28
flagthe United States
27%
11%
33%
27%
190
flagIndia
25%
18%
28%
26%
164
flagthe United Kingdom
24%
22%
30%
22%
49
flagGermany
23%
19%
23%
33%
21
flagthe Philippines
23%
5%
41%
29%
17
flagPoland
22%
18%
29%
30%
6841
flagCanada
16%
8%
33%
41%
12
flagAustria
0%
0%
50%
50%
10