Helianthus annuus 'Ronnie Orange'
sunflower 'Ronnie Orange'
An early-maturing, branching, annual sunflower up to around 120cm tall with soft green foliage. Single, yellow-orange flowers with dark centres appear throughout the summer. The uniform height and flower size make it a good choice for cutting and it is tolerant of shade
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 | Orange Yellow | Green | ||
| Autumn | Green | |||
| Winter |
Position
- Full sun
- Partial shade
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
Accepted
How to grow
Cultivation
Grow in moderately fertile, neutral to alkaline, humus-rich, moist but well-drained soil in full sun
Propagation
Propagate by seed or division. Divide established clumps every 2-4 years to both increase plants and retain vigour. See sowing seeds indoors for further advice
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
Get involved
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