A new study by Tel Aviv University, in collaboration with the University of Colorado, Boulder, discovered that plants that grow in dense environments, where each plant casts a shadow on its neighbor, ...

Young sunflowers show a fascinating movement called heliotropism, in which their developing flower heads follow the Sun across the sky. This daily movement is linked to differences in stem growth, ...

The researchers from Tel Aviv University examined the question of how sunflowers “know” to grow in an optimal way. JORGEN HENDRIKSEN VIA UNSPLASH. TEL AVIV-YAFO, Israel — Sunflowers ...

Here’s why your sunflowers are drooping—and how to fix them.