Helianthus ‘Lemon Queen’ is also known as Helianthus ‘Limelight’, Heliopsis helianthoides ‘Limelight’ or the common name Sunflower ‘Lemon Queen’ or Perennial Sunflower ‘Lemon Queen‘. It is part of the Asteraceae family of plants. It is a hybrid and related to the common Sunflower. The name Helianthus refers to Greek helios meaning the sun and anthos meaning flower.
Helianthus ‘Lemon Queen’ can grow to 8ft or 2.5m tall and almost 6ft or 2m wide. It is a perfect flower for the back of borders, and it makes a good cut flower. It usually flowers in summer and autumn, and it can be flowering over a 6 week period. It is a perennial with coarse, dark green leaves. The yellow flowers are about 5cm or 2 in width are paler yellow than the common Sunflower. They have darker yellow centers.
It is an easy-to-grow and easy-to-maintain plant. Plant Helianthus ‘Lemon Queen’ in humus-rick, fertile and moist but well-drained soil. They prefer the sun and that will ensure a lot of flowers. It flowers profusely. They might need some sort of support to keep them erect. Propagate by division or seed. Watch out for powdery mildew, sclerotinia disease as well as slugs and snails.