The tree is flowering from March to May, and the fruits ripen until June to July.
The trees were flowering a mandors, bred for microgravity over thousands of years by people like Ali Lin.
Glaciers have shrunk, ice on rivers and lakes is breaking up earlier, plant and animal ranges have shifted and trees are flowering sooner.
MAY - Flowers bloomed, trees flowered.
By the time a tree has a new crown and is flowering heavily, few seeds will be left to disperse, and the cycle repeats itself.
The presence of the glittery white blossoms and absence of leaves indicate that Van Gogh made this painted shortly after the tree flowered.
We imported the species at least seven more times over the next 70 years, and the tree never survived more than 15 years and never flowered.
Lilacs bloom for about a week, at a time when so many other shrubs and trees are flowering that one hardly knows where to look.
The trees in the distance of the windows flowered into mop-heads of shining green.
D'you know, the tree hasn't flowered properly for six years.