Sunflower
Helianthus annuus
Sunflower is an annual for focal point, suited to full sun and loam, sandy soil or chalk, flowering Jul, Aug, Sep.
| Type | Annual |
|---|---|
| Mature height | 180 cm |
| Spread | 60 cm |
| Aspect | full sun |
| Foliage | Deciduous |
| Hardiness | RHS H4 |
| Pollinator-friendly | Yes |
| Pet-safe | Yes |
Where to use it in a border
At around 180 cm, it sits best toward the back of a border, or on its own as a focal point with room around it. Give it about 60 cm of room to spread. It is rated H4 by the RHS, so check it suits your area before planting.
It appears in our lists of full sun, sandy soil, chalk soil, pollinator-friendly plants, pet-safe plants.
Border Builder uses Sunflower's height, spread, soil, bloom months and companions to place it in a full border plan for your own conditions, on iPhone and iPad.
Flowering through the year
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Worth knowing
- Its flowers are valued by bees and other pollinators.
Good companions
Plants that share its conditions and style, chosen to complement its place in the border:
- Allium 'Purple Sensation'to edge in front
- Anchusa 'Loddon Royalist'to edge in front
- Apple 'Bramley's Seedling'for height behind it
- Apple 'Cox's Orange Pippin'for height behind it
- Avensto edge in front
- Avens 'Lady Stratheden'to edge in front