Tagged with phenology

What’s Global Warming to Lilacs?

Lilacs in bloom across northern states are a reliable marker of spring. The common lilac (Syringa vulgaris) is so predictable in the plant’s adjustment to seasonal conditions before it presents its spring bloom, that lilacs have been studied nationally since the 1970’s as a harbinger of spring. Here’s a photo from this spring of local … Continue reading

Signs of Spring At Last!

Lilacs, such as these at Lewis & Clark Recreation Area, are signs of spring. We notice that the order and date in which plants appear throughout the season varies some year to year. Anchor points in the growing season have been studied to help in plant management such as the grape industry. More on phenology … Continue reading