Helianthus Sunfinity Yellow Dark Centre ('Heiz0001'PBR) (Sunfinity Series)
sunflower [Sunfinity Yellow Dark Centre]
A tall, strong, branching, annual sunflower up to around 120cm tall with dark green pointed foliage. Single, yellow flowers with dark centres appear throughout the summer and into autumn
Size
Ultimate height
1–1.5 metresTime to ultimate height
1 yearUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Yellow | Green | ||
| Autumn | Yellow | Green | ||
| Winter |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Sheltered Hardiness
H2Botanical details
- Family
- Asteraceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Bushy, Clump forming
- Genus
Helianthus can be tall, erect annuals, tuberous or rhizomatous perennials, with coarse simple leaves and large daisy-like flower-heads
- Name status
Trade
How to grow
Cultivation
Grow in moderately fertile, neutral to alkaline, humus-rich, moist but well-drained soil in full sun
Propagation
Propagate by cuttings as seeds are sterile
Suggested planting locations and garden types
- City and courtyard gardens
- Wildlife gardens
- Cottage and informal garden
- Patio and container plants
- Cut flowers
- Flower borders and beds
Pruning
No pruning required
Pests
Diseases
May be susceptible to powdery mildews and sclerotinia diseases
Love gardening
Sign up to receive regular gardening tips, inspiration, offers and more
View our Privacy Policy
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.