How Tall Do Nigella Grow. Height 50 cm spread 20cm Height 50 cm spread 20cm Nigella Miss Jekyll is a beautiful shade of deep blue. Also known as bigleaf hydrangea this species grows to around 6 to 10 feet tall and wide and has leaves that reach around 6 inches long.
Popular Varieties of Nigella Grown in the UK. Another simple method is to double the height achieved by the child by age 2. Leaves twice-or thrice pinnately divided into linear lobes.
Their seeds are often used in cooking.
05072021 Nigella are hardy annuals that grow from 15 to 60 cm in height. 09092014 Fertilize and deadhead regularly and water in long dry spells. The species grow to 2090 cm 835 in tall with finely divided leaves. The petals are small have a nail and a two-sided plate.