Populus Tremuloides

Aspen is a dioecious tree, meaning that they will grow either male of female flowers but not both on the same individual. This sapling produced flowers for the first time revealing itself as a male. ...

The temperature rose to 8 deg C in the garage and this Aspen came into blossom. This is a proof that the trees are waiting for the signal to burst into life. ...

Early March I wired this small aspen. This species can produce really short internodes. April 20th, it starts to grow. May 31 The tree grew vigourously and the wire already bit into the trunk. I must remove it and some scars will last a long time. ...