Read practical advice
Explore straightforward guides for choosing, using and caring for garden products.
Visit the Advice CentreOutdoor plants
Product information
Everything useful in one place, with the most important information kept separate from the buying controls above.
About this product
Dahlia
Dahlia, commonly known as dahlia, is an ornamental perennial chosen for its reliable performance and decorative effect in garden borders or containers. It contributes colour, texture, or structure depending on the variety.
After around five years of growth, this plant typically reaches: Varies by variety, commonly 60–100 cm tall with a spread of 50–60 cm after 5 years.
Recommended compost for planting: Use a rich, moisture-retentive but free-draining compost for strong flowering.
Key Features:
- Habit: Herbaceous perennial forming an attractive clump or spreading mound.
- Season of interest: Provides colour or foliage interest during the main growing season.
- Garden uses: Suitable for mixed borders, perennial beds, and many varieties also perform well in containers.
- Maintenance: Generally low maintenance; remove spent flowers and tidy old growth as needed.
Dahlia is a dependable choice for adding long-lasting interest and character to planting schemes.
Plant Details
| Position | Full sun in a sheltered spot |
|---|---|
| Flowering Period | July to October |
| Hardiness | RHS H3 (−5°C to 1°C). |
Growing & care
- Plant type
- perennial
- Position & light
- Full sun· Sheltered
- Watering
- moderate
- Soil & drainage
- Free draining· Moist
- Mature size
- 1.0m high· 60cm wide
Choose with confidence
Find the right plant for your space
Use the Plant Finder, practical advice or our in-store team before deciding.
See it before choosing
Visit Easy Garden to compare products in person and speak with our team.
Plan your visit