Lobelia 'Fan Scarlet'
Orders placed until 29 February 2026
You can expect your order in February/March 2026
Orders placed 1 March - 15 April 2026
You can expect your order in March/April 2026
Orders placed 16 April - 15 May 2026
You can expect your order within 10 business days
UK orders over £50
Free shipping
UK orders under £50
£4.99
Northern Ireland orders under £50
£5.99
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Description
There’s nothing like a dash of intense red to create a striking focal point and contrast among neighbouring plants. Adding some delicious chocolatey-bronze foliage makes the fabulous combination you’ll find in Lobelia 'Fan Scarlet'. This is a plant that wants to be noticed, and it will be! There’s no doubt that all eyes will be on the dramatic upright flower spikes, with unfurling intense scarlet blooms offset by deep purple stems and matching buds. Lobelia 'Fan Scarlet' has got an exceptionally long flowering period for a lobelia, kicking off in mid summer and keeping up the show all the way through to autumn, giving several weeks of vibrant colour – easy, long-lasting interest… perfect!
This hardy perennial Lobelia × speciosa 'Fan Scarlet' is handy for damper parts of the garden. It positively thrives in heavy, water-retentive soils or in rainy parts of the country, but it’s also quite happy in average garden soils that don’t dry out too much (a mulch will help keep to lock in moisture). A great subject for pondside planting or bog gardens in both sun or partial shade, Lobelia 'Fan Scarlet' will immediately energise the area with its vibrant colours, returning every year for another great show. Its compact size, up to 50cm tall, and bushy habit make it a useful for containers too. And while it flaunts exotic good looks, it is surprisingly hardy, able to take below freezing temperatures to around -10°C.
Key features
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Good for cutting
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Perfect for pots
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Comes back every year
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Fragrant
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Loved by pollinators
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Thrives well in full sun
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In peat-free compost
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RHS Award (AGM)
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Fully hardy
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Rodent resistant
Specs & details
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Botanical name
Lobelia × speciosa 'Fan Scarlet'
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Flower colour
Red
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Plant size
1
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Established height
30-50cm
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Established spread
30-50cm
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Plant spacing
9 plants per m2
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Leaf colour
Green
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Habit
Upright
Clump-forming -
Life cycle
Perennial
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Hardiness
Fully hardy
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Years to establish
2-3 years
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Sunlight
Full sun
Partial shade
Dappled shade -
Position
Sheltered
Exposed -
Suitable for
Borders
Coastal gardens
Cottage gardens
Cut flower gardens -
Soil acidity
Any
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Soil moisture
Free draining
Damp -
Soil type
Loam
Sandy
Clay
Multipurpose compost -
Growing skill
Easy to grow
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Scented
Yes
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Pollinator-friendly
Yes
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Mouse resistant
Yes
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Rabbit resistant
Yes
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Deer resistant
Yes
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Toxicity
No report
Plant calendar
| Jan | Feb | Mar | Apr | May | June | July | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
- Planting
- Flowering
Useful information
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Soak the Lobelia 'Fan Scarlet' roots in water for 3-6 hours prior to planting
Plant your bare roots into temporary pots with a multipurpose compost within a week of delivery and grow-on in a sheltered spot outdoors
Choose a pot which comfortably fits the bare roots. Some have a noticeable crown which should be just below the soil surface with any top growth exposed. Some varieties are a length of root which should be planted lengthways and shallowly (1-2cm deep).
Plant out into borders or permanent containers in late spring or early summer once in full growth. Choose a position in sun or shade depending on the variety.
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Orders placed until 29 February 2025
You can expect your order in February/March 2025Orders placed 1 March - 15 April 2025
You can expect your order in March/April 2025Orders placed 16 April - 15 May 2025
You can expect your order within 10 business days
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