Plants: Get a Twist 'N' Shout hydrangea plant. Supply: Plant is supplied in a 3 litre pot, and plant will be approximately 30cm. : The plant grows upright, reaching about 90-120cm high and 120-150cm wide. Colourful: Red stemmed hydrangea's flowers will range from deep pink to periwinkle blue. | Twist 'N' Shout Hydrangea Plant | Wowcher