Our sunflowers grew extra tall then began to bloom. They don't turn to face the sun though. Maybe it's the variety of sunflower plant. The stems are thicker than I thought they would be. They must be strong enough to hold the plant up. This intricate swirling detail follows a mathematical rule. Here's a video I found that best explains it. AMAZING! This bug seems to be checking out the mathematical details.
9 minutes ago
