Offers
Plant offers

20% off AGM plants

20% off hydrangeas

20% off fruit & fruit trees

40% off mini seedlings*

30% off hellebores*

*selected lines only
Multibuy offers

Perennials*

9cm bedding*

Vegetable plants*

9cm herbs*

Garden mulch
Product offers

Up to 40% off reduced to clear
20%
OFF

AGM plants
Plants
Outdoor plants by type

Perennials

Shrubs

Climbers

Bedding plants

Mature shrubs

Grasses

Roses

Trees

Ferns

Pond plants

Shop all outdoor plants
Seasonal plants

New in

Fruit & fruit trees

Seeds

Magnolias

Camellias

Hydrangeas

Flowers by month

May

June

July
Indoor plants by type

New in

Gifting

Foliage

Flowering

Orchids

Ferns

Terrarium

Palms

Shop all indoor plants

*selected lines only
20%
OFF

AGM plants
GYO
Fruit

Fruit trees

Bare roots

Strawberries

Apples

Cherries

Pears

Plums

Shop all fruit
Vegetables

Heritage

Herbs

Beans

Tomatoes

Chillies & peppers

Carrots

Courgette & marrows

Lettuce

Mushroom

Shop all vegetables
Planting essentials

Plant protection

Potting & propagating

Cold frames & growhouses
Planting kit
Pots
Outdoor pots by type

New in

RHS endorsed

Window boxes & troughs

Raised beds

Wall planters

Hanging baskets & accessories

Grow pots & trays

Bowls

Shop all outdoor pots
Outdoor pots by material

Terracotta

Metal

Glazed

Composite

Wood & rattan

By size

Small (Ø <30cm)

Medium (Ø 30-50cm)

Large (Ø 50-100cm)

Extra large (Ø 100cm+)
Inspiration

Statement pots

Heritage style pots

Handthrown terracotta

Lightweight pots

Plant & pot combinations

Round & tapered

Square & Square

Pot accessories

Plant Stands
Indoor pots

New pots

Plant & pot combinations

Large indoor pots

Hanging pots

Indoor plant bowls

Vases & jugs

Terrariums & accessories

Shop all indoor pots
Tool Shed
Garden equipment

New in

Compost, bark & mulch

Fertilisers & weed control

Composting

Irrigation & watering

Water butts

Clothing & accessories

Garden tidy & storage

Boot room & fireside

Shop all tool shed
Garden tools

New tools

Cutting & pruning tools

Digging

Weeding tools

Bulb planting tools

Tool care and accessories

Potting & propagating

Cold frames & growhouses

Grow pots & trays

Accessories

Shop all potting & propagating
Plant protection

Cloches

Mesh, netting & fleece

Cages & tunnels

Plant support

Plant support & obelisks

Arches & structures

Landscaping

Raised beds

Screening & trellis

Lawn care
RHS approved
Outdoor Living
Outdoor living

New in

Fire pits

Barbecues & pizza ovens

Water features

Furniture

Lounge sets

Dining sets

Shade

Hammocks & swing seats

Garden chairs & loungers
Lighting

Festoon and string lights

Solar lighting

Tealights holders & lanterns

Path & stake lights

Decorative lights

Birdcare & wildlife

Bird feeders

Bird baths & tables

Bird houses

Insects & wildlife
Accessories

Plant stakes & markers

Ornaments

Wind spinners

Clocks & weather instruments

Picnic and games

Shop all accessories
Furniture
RHS AGM
Garden Staples

Shrubs

Perennials

Climbers

Shop all AGM plants
Grow your own

Fruit

Vegetables

Herbs
Inspiration

For balcony & container gardens

Indoor plants
20%
OFF

Shrubs
RHS Chelsea
By theme

Futureproof plants

Coastal gardens

Shady characters
By show gardens

Cha No Niwa – Japanese tea garden

Avanade intelligent garden

Glasshouse garden

Hospitalfield arts garden

RHS & BBC Radio 2 dog garden

The King’s trust garden: Seeding success

Balcony garden highlights

Container garden highlights
Chelsea favourites
RHS Gift Cards
Basket

Menu

Shop

Offers
Plants
GYO
Pots
Tool shed
Outdoor living
RHS AGM
RHS Chelsea
RHS Gift Cards

Information & Help

Deliveries
Returns

My account

Sign in

Popular searches

Perennials
Shrubs

Indoor Plants
Award Winners

Garden Essentials
Pots and Containers

Lighting

Trees
Cacti & succulents
Roses
Pots and containers
Indoor plants
Shrubs
Climbers
Roses

Grow your own
Pots and containers
Greenhouse plants
Climbers
Roses
Hanging plants
Ferns

Items Categories Suggestions

5 year plant guarantee
Your purchase supports our charitable work. Thank you!
£2.99 seed only delivery
Basket

20% OFF AGM plants | Shop now

RHS Plants Home Plants Bulbs

Show all filters

Sort by

Popularity

Availability

Lowest price

Highest price

Name

Show

All items

Available items

Bulbs
Flowering month : September
Eventual size : Large

By type

Dahlias (106)

Bulb collections (16)

Canna bulbs (7)

New bulbs (5)

Crocosmia bulbs (4)

Ginger lily bulbs (2)

Gladioli bulbs (2)

Organic bulbs (2)

Other bulbs (2)

Facing

East (22)

North (1)

South (123)

West (123)

How much sun

Light shade (8)

Sun (121)

Soil type

Acid (88)

Chalky (108)

Haven't a clue (106)

Heavy clay (111)

Light sandy (111)

Moderately fertile, moist but well-drained soil, or peat-free general purpose compost (17)

Moderately fertile, moist, but well-drained soil, or general-purpose loam-based potting compost (1)

Normal (122)

Peat-free general-purpose compost (12)

Special conditions

Coastal conditions (2)

Dry sun (3)

Tolerate air pollution (2)

Tolerates drought (1)

Flower colour

Colourful collections / bicolours (24)

Black (3)

Orange (23)

Pink (36)

Purple (13)

Red (34)

White (13)

Yellow (5)

Evergreen / deciduous

Deciduous (121)

Evergreen (1)

Fragrance

All scented flowers (4)

Highly scented (1)

Attractive to wildlife

Attractive to bees (20)

Attractive to butterflies and moths (3)

Attractive to pollinators (20)

Attractive to wildlife (18)

Quick growing

Quite (12)

Yes (116)

Bulb planting time

Autumn planting (7)

Spring planting (122)

Bulb divisions

Dahlia (Division 1) Single-flowered (6)

Dahlia (Division 10) Miscellaneous (2)

Dahlia (Division 11) Fimbriated (5)

Dahlia (Division 12) Star (1)

Dahlia (Division 14) Paeony-flowered (3)

Dahlia (Division 2) Anemone-flowered (5)

Dahlia (Division 3) Collerette (9)

Dahlia (Division 4) Waterlily (2)

Dahlia (Division 5) Decorative (41)

Dahlia (Division 6) Ball (10)

Dahlia (Division 7) Pompon (2)

Dahlia (Division 8) Cactus (5)

Dahlia (Division 9) Semi cactus (7)

Multibuy packs

Multibuy offers (34)

Selected offers (8)

Hardy

No (12)

Semi (111)

Yes (2)

Leaf colour

Bronze (13)

Green (106)

Purple (8)

Variegated (3)

Ground cover

No (119)

Yes (4)

Position

Back of border (10)

Front of border (4)

Middle of border (55)

Next to a patio (13)

Next to an entrance (7)

Next to seating areas (16)

Soil moisture

Damp (2)

Dry/Sandy (4)

Normal (122)

Bulbs

Results found: 123

Dahlia merckii

Dahlia merckii

From £5.99

View options

approx 10 seeds	£5.99
1 × tuber	£6.99
9cm pot	£8.99
2 litre pot	£19.99
3 × 9cm pots	£21.99
2 + 1 FREE 2 litre pots	£35.98

Fashion beauties dahlia collection

Fashion beauties dahlia collection

From £16.45

View options

1 × collection \| 3 tubers	£16.45
2 + 1 FREE collections \| 9 tubers	£32.90

Best white dahlia collection

Best white dahlia collection

From £16.95

View options

1 × collection \| 3 tubers	£16.95
2 + 1 FREE collections \| 9 tubers	£33.90

Dazzling dahlia collection

Dazzling dahlia collection

From £16.45

View options

1 × collection \| 3 tubers	£16.45
2 + 1 FREE collections \| 9 tubers	£32.90

Tangerine dream dahlia collection

Tangerine dream dahlia collection

From £16.50

View options

1 × collection \| 3 tubers	£16.50
2 + 1 FREE collections \| 9 tubers	£33.00

Best red dahlia collection

Best red dahlia collection

From £16.95

View options

1 × collection \| 3 tubers	£16.95
2 + 1 FREE collections \| 9 tubers	£33.90

Gladiolus mixed colours

Gladiolus mixed colours

From £11.99

View options

1 collection \| 40 corms	£11.99
2 + 1 FREE collections \| 120 corms	£23.98

Pink and Red Bee and butterfly dahlia collection

Pink & red bee & butterfly dahlia collection

From £16.45

View options

1 × collection \| 3 tubers	£16.45
2 + 1 FREE collections \| 9 tubers	£32.90

Giant dinnerplate dahlia collection

Giant dinnerplate dahlia collection

From £16.45

View options

1 × collection \| 3 tubers	£16.45
2 + 1 FREE collections \| 9 tubers	£32.90

Dahlia Cafe au Lait

Dahlia 'Café au Lait'

From £5.29

View options

1 × tuber	£5.29
3 × tubers	£12.75
3 litre pot	£17.99
6 × tubers	£24.75
2 + 1 FREE 3 litre pots	£35.98

Dahlia Snowbound

Dahlia 'Snowbound'

From £5.49

View options

1 × tuber	£5.49
3 × tubers	£14.00

Dahlia Downham Royal

Dahlia 'Downham Royal'

From £5.49

View options

1 × tuber	£5.49
3 × tubers	£12.50

Dahlia Break Out

Dahlia 'Break Out'

From £5.79

View options

1 × tuber	£5.79
3 × tubers	£16.00

Dahlia American Dawn

Dahlia 'American Dawn'

From £5.49

View options

1 × tuber	£5.49
3 × tubers	£12.50

Dahlia Cafe au Lait Royal

Dahlia 'Café au Lait Royal'

From £5.49

View options

1 × tuber	£5.49
3 × tubers	£15.00

Dahlia Boom Boom White

Dahlia 'Boom Boom White'

From £5.49

View options

1 × tuber	£5.49
3 × tubers	£14.00

Dahlia Thomas A. Edison

Dahlia 'Thomas A. Edison'

From £5.29

View options

3 litre pot	£17.99
2 + 1 FREE 3 litre pots	£35.98
1 × tuber	£5.29
3 × tubers	£12.75

Dahlia White Isa

Dahlia 'White Isa'

From £5.49

View options

1 × tuber	£5.49
3 × tubers	£14.00

Dahlia Orfeo

Dahlia 'Orfeo'

From £5.49

View options

3 litre pot	£17.99
2 + 1 FREE 3 litre pots	£35.98
1 × tuber	£5.49
3 × tubers	£14.00
3 × tubers \| organic	£19.00

Dahlia Arabian Night

Dahlia 'Arabian Night'

From £5.49

View options

3 litre pot	£17.99
2 + 1 FREE 3 litre pots	£35.98
1 × tuber	£5.49
3 × tubers	£12.50

1 2 3 ... 7

was added to your wheelbarrow

Become an RHS Member today and save 25% on your first year

Join now

Keep in touch

Get the latest from RHS Plants, sign up and we will send you the latest inspiration, news and offers.

View our Privacy Policy

RHS home page
RHS membership
RHS Gardens
RHS Flower Shows
RHS Gardening Advice
RHS Garden Centres
Delivery
FAQs
Contact Us
Privacy Policy
Terms & Conditions
Returns
Pot Size Guide

All contents copyright © 2025
RHS Enterprise Ltd, 80 Vincent Square, London SW1P 2PE. Reg No. 1211648 England
VAT Registration No. 461 532757

All sales help fund the charitable work of the RHS.