Canna Flower Sun Or Shade. Cannas can also grow in partial shade though they wont flower as frequently. A position in full sun is best though cannas tolerate partial shade.
In warm areas cannas grow well in full sun or in partial shade. Other reasons for a canna lily not blooming are too much shade drought overcrowding and nutrient deficiencies. Dappled shade allows some sun to reach the cannas.
They can also tolerate partial shade.
Morning or afternoon sun is ideal. Cannas or Arrowroot is a tall leafy tropical plant with gladiolus-like flower spikes that bloom atop erect stems sheathed in large paddle-shaped leaves. 10072020 Canna lilies do best in a rich moisture-retentive soil in full sun or light shade. In the shade they will devote more energy to creating large leaves for capturing more light and less to their blooms.