Tree flowers

Horse chestnut flower

The flowers of various trees. First, horse chestnuts.

Chestnut flower

Willow flowers

A willow.

Sycamore flowers

Sycamore: the leaves are showing the first signs of brown spot.

Willow flowers

Two more views of willow flowers or catkins.

Willow flowers

Finally a (cultivated) apple with the buds about to bloom.

Apple bud opening