Helianthus annuus 'Sunsation Yellow' (Sunsation Series)
sunflower 'Sunsation Yellow'
'Sunsation Yellow' is a compact annual, to 75cm tall, with glossy, dark green, ovate leaves. Flowerheads, borne from summer into autumn, are yellow with brown centres and reach up to 17cm in diameter
Size
Ultimate height
0.5–1 metresTime to ultimate height
1 yearUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green | |||
---|---|---|---|---|
Summer | Brown Yellow | Green | ||
Autumn | Brown Yellow | Green | ||
Winter |
Position
- Full sun
Aspect
West–facing or South–facing
Exposure
Sheltered Hardiness
H4Botanical details
- Family
- Asteraceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Bushy
- 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 full sun in any fertile, well-drained, neutral, or preferably calcareous, soil. Ideal for growing in containers. The flowers attract bees and other insects, and the edible seeds provide food for birds, especially finches
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
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.