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!
-
Advertisement
-
Follow Walter
-
Advertisement
-
-
August calendar
Watch out for pests! Look out for Snakes, Slugs, Ants and others. Now is also a...
Get The Checklist
-
-
-
name that plant
Post your puzzlers and help others with theirs.
Start Here
-
-
Trending Posts
-
1
Aftercare for poinsettia, amaryllis and paperwhite narcissus plants
-
2
Houseplant – Adding Extra Light
-
3
Magnolia – Beetles in Flower
-
4
Pot has clogged drain hole
-
5
How Much To Prune My Ficus Tree
-
1
Azalea Lacebug – Control
-
2
Mexican Bean Beetles – Prevention
-
3
Dracaena surculosa blooming
-
4
Fungus Gnat – On Houseplants
-
5
Houseplant – Leaf Tips turning brown
-
-
Walter’s Bookshelf
Browse and purchase gardening books by Walter Reeves, plus select titles by other authors.
View books -
Popular topics
Soil Spring Summer Seed Winter Fall Flowers Weed Fertilizer Disease Shade Temperature Pots Oak Pine Pruning Mulch Watering Container Maple Compost Birds Herbicide Tomatoes Azalea Moisture Poison Pears Hydrangea Glyphosate Cherry Caterpillar Roundup Pests Irrigation Pre-Emergent Pesticide Stone Dogwood Peach Spider Pine Straw Magnolia Greenhouse Squash Squirrels Beans Travel Lemon Japanese Maple