How Plants Respond to Sunlight

10

In what sunlight conditions does an iris grow best?

Direct sunlight for 6 hours per day

Direct sunlight for 3 hours per day

Indirect sunlight

Total darkness

10

Petunias grow best in indirect sunlight.

Petunias and irises grow best in different conditions.

Petunias usually grow taller than irises.

The amount of sunlight does not affect the growth of petunias and irises.

10

Direct sunlight for 6 hours per day

Direct sunlight for 3 hours per day

Indirect sunlight

Total Darkness

10