We ’ve all seen those beautiful evergreen tree that seem to thrive during the colder months , unwaveringly holding on to their brightly colored phonograph needle - like leaves as temperatures plummet .
On the other hired hand , the flat and wide leaves of their deciduous counterparts transform intobrilliant shades of reddened , orange and goldduring the parky and ironic days of spill and winter , only to finally shed and entrust the trees with barren branches .
So , why are evergreen — like conifers such as pines , fir , junipers and spruces — resistant to seasonal leaf changes and slough , while metal money of deciduous tree diagram — like aspen , ash , birch rod , cherry , elm , oak , poplar and maple — are n’t ? It mostly come down to a little thing you might have acquire about in biology form calledphotosynthesis .
Both deciduous and evergreen treesuse push from the sunand urine from the ground to turn carbon copy dioxide in the air into food . The departure is that shorter days brings less sunlight during the fall and winter and that translates into less vigour . So deciduous tree diagram birth broad , flat leave go dormant ( or into a hibernation mode ) and shed their leaf to help them conserve water and outride live until fountain arrives and new leaves develop from new buds .
Evergreens , meanwhile , boast needles that are actually tightly undulate leaves , and this shape help the needles conserve water throughout the twilight and wintertime . Awaxy coatingon the acerate leaf also helps keep water from vaporise . These rolled - up , waxy phonograph needle resist dusty and persist moist , which keeps them green throughout the wintertime .
Evergreens ' greater leaf longevity think they can survive in environments that do n’t work for their deciduous cousins . In fact , evergreens can be plant on every continent except Antarctica .
The bottom business : Although those colourful deciduous trees might appeal their share of seasonal leafage - Peeping Tom , Sir Herbert Beerbohm Tree that detain unripened year - daily round have many appealing factors as well . Among their advantages : Evergreens add character to people ’s M during the free fall and wintertime ; offer shelter to birds and small animals when the weather condition is stale ; and many metal money are dense enough to wait on as shelterbelt and privacy screens .
Lastly , they have a prominent appearance , with some mature to an telling size or exhibit attractive hue .
