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This is usually only the case for oaks growing in open areas when mature long-lived dome headed trees can become wider than they are high. In comparison, woodland oak is tall and slender. The expected growth rate of the English oak is just over 0.5m per year. Growing to 6m after 10 years and 11m after 20 years. The female flowers are found near the end of each twig and are reddish-brown in colour. The male flowers hang down on bright green catkins.
Jennysita/iStock/Getty Images. With over 500 species, oaks (Quercus spp.) have a range of lifespans. Under ideal conditions, oak trees live an average of 150 years, with short-lived varieties lasting 50 to 60 years and long-lived varieties living more than 150 years.arieties that Live a Short Time. For oak trees, 50 years counts as short-lived. A native of the southeastern United States, laurel oak (Quercus laurifolia) lives 50 to 60 years and grows to about 65 feet tall.