Helianthus debilis 'Soluna Bronze' (Soluna Series)
beach sunflower 'Soluna Bronze'
A tall, branching perennial to around 125cm in height with green leaves. Gold and copper flowers streaked with a darker bronze-orange and with dark centres appear throughout the summer
Size
Ultimate height
1–1.5 metresTime to ultimate height
1–2 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Green Bronze Gold Orange | |||
| Autumn | Green | |||
| Winter |
Position
- Full sun
Aspect
East–facing or South–facing or West–facing
Exposure
Sheltered Hardiness
H4Botanical 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
Unresolved
How to grow
Cultivation
Grow in moderately fertile, neutral to alkaline, humus-rich, moist but well-drained soil in full sun. This plant was included in the RHS Helianthus (sunflower) trial 2024 https://www.rhs.org.uk/plants/trials-awards/plant-trial-results/fleuroselect-sunflowers
Propagation
Propagate by seed in spring or division in autumn. Divide every three years to maintain vigour. See propagate by seed (sown indoors) or
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Wildlife gardens
- Flower borders and beds
Pruning
Cut back to the ground in autumn or leave for birds to eat the seeds
Pests
Diseases
May be susceptible to powdery mildews and sclerotinia diseases
Helianthus debilis 'Soluna Bronze' (Soluna Series)
beach sunflower 'Soluna Bronze'
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