Larch/Tamarack
(Larix laricina)
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Larch or Tamarack are found in moist or wet areas. This one is growing by the side of a pond. Others can be found in boggy areas.
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Trees are between 12 and 24 m in height with a conical crown. Smaller, shrub sized, trees can be observed at the edge of forests and in clearings.
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The bark of the larch is scaly, thin and reddish brown
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It is a deciduous conifer meaning that it has both cones and needles, but that it loses the needles during the fall and grows new ones each spring.
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In late April to early May male and female cones and needles begin to grow. The male cones are brown. The female cones are pink.
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The pink, female cones remain on the branch and grow into 12-19mm long rose shaped cones such as these. The brown, male cones wither and fall after shedding their pollen.
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A fully developed female cone, which is open having released its seeds.
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The needles grow in bundles of 10-20. They emerge from small woody stumps.
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When fully grown they are 1-4 cm long.
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Choosing your tree
- •Choose a tree in an area that you visit regularly and base all of your observations on that tree.
- •Avoid trees which are within 10 metres of any buildings.
- •Tag your chosen tree using a ribbon or other marker
What to record
- •Record when the first pollen is being shed by the male (small brown) cones.
- •Make a note of when 50% of the male cones are shedding pollen abundantly.
- •Finally record when the tufts of needles are getting much longer and beginning to spread open at the tip.