Sunflower – Phototropism
Q: Why do my sunflowers not follow the sun? They all seem to face east.
A: Sunflowers follow the sun when they are young. But by the time the flowers start forming, the stem is too stiff to let the flowers swivel through the sky each day.
Check out these explanations:
Great videos at
Plants in Motion!
-
-
-
1
How Invasive Is Climbing Hydrangeas?
-
2
Mondo grass – Weed control
-
3
Bermudagrass – Common vs Hybrid
-
4
Importance of Soil Temps
-
5
Asiatic Jasmine
-
1
How Invasive Is Climbing Hydrangeas?
-
2
Bermudagrass – Common vs Hybrid
-
3
Plant Hoppers (Planthoppers) – Roosting on Stems
-
4
Mondo grass – Weed control
-
5
Importance of Soil Temps
-
