Our website uses cookies.
We use cookies to provide you with a better service on our websites. You are free to manage this via your browser setting at any time. To learn more about how we use the cookies, please see our
cookies policy
MORE FROM WAITROSE:
Groceries
Cellar
Florist
Gifts
Help
Delivery
My account
Wishlist
My Orders
My Account
Marketing Preferences
GARDEN
Toggle navigation
Menu
Total
£0.00
0
Checkout
Plants
Plants
By type
Perennials
Shrubs
Climbers
Indoor plants
Bedding
Specimen shrubs
Ornamental grasses
Roses
Herbs
Vegetables
Fruit
Trees
Hedging
Seeds
Ferns
Pond plants
Shop all plants
Planting ideas
NEW plants
Low maintenance
Pot & plant combinations
Get growing
Lawn essentials
Perfect for pots
Give wildlife a helping hand
Great ideas for small spaces
Bulb planting tools
Summer bulbs tool kit
Seasonal inspiration
Planting for bees
Grow your own
Long flowering
Fragrant plants
Spring garden kit
Looking good in May
Looking good in June
Looking good in July
OFFERS
20% OFF roses
20% OFF spring shrubs
20% OFF hydrangeas
40% OFF 4 litre peonies*
50% OFF summer seedlings
20% OFF grow your own*
30% OFF 2 litre hellebores
30% OFF 2 litre iris
2+1 FREE herbs*
2+1 FREE fuchsia*
UP TO 30% OFF multibuy plants
*Selected lines only
Indoor plants
Indoor plants
By type
Ferns
Fresh foliage
Easy care
Flowering
Orchids
UK grown
Pot & plant combinations
Air plants
Hanging & trailing plants
Palm plants
Rare & unusual plants
Shop all indoor plants
Interior inspiration
NEW indoor plants
Indoor pot ideas
Air purifying indoor plants
Low maintenance
Plants that flower
Terrarium plants
Cactus collections
Scented flowers
By room
Bathrooms
Bedrooms
Conservatories
Hallways & landings
Home office
Kitchens
Living spaces
Offices
By light
Sun
Light shade
Shade
Pots
Pots
Outdoor pots by type
New pots
Outdoor plant pots
Statement pots
Window boxes & troughs
Wall planters
Hanging baskets & accessories
Grow pots & trays
Pot accessories
Plant stands
Shop all outdoor pots
Outdoor pots by size
Small (Ø under 30cm)
Medium (Ø 30-50cm)
Large (Ø 50-100cm)
Extra large
Outdoor pots by shape
Bowls
Round & tapered
Square & cube
Urns & jars
Troughs
Tall
All pots by material
Terracotta
Glazed
Metal
Composite
Plastic
Wood & rattan
Indoor pots
New pots
Indoor plant pots
Large indoor pots
Terrariums
Trays & accessories
Hanging baskets & accessories
Vases & jugs
Indoor plant essentials
Orchid pots & cares
Shop all indoor pots
Tool shed
Tool shed
Garden equipment
Compost, bark & mulch
Fertilisers & weed control
Pest control
Compost bins & wormeries
Irrigation & watering
Water butts
Garden clothing & accessories
Garden tidy
Garden storage
Boot room & fireside
Garden tools
New tools
Hand & mid length tools
Long handled tools
Digging tools
Weeding tools
Bulb planting tools
Tool care & accessories
Shop all garden tools
Potting & propagating
Cold frames & growhouses
Grow pots & trays
Accessories
Plant labels & ties
Shop all potting & propagating
Landscaping
Raised beds
Edging & stepping stones
Screening & trellis
Lawn care
Plant support
Plant support & obelisks
Arches & structures
Shop all plant support
Plant protection
Cloches
Mesh, netting & fleece
Cages & tunnels
Shop all plant protection
Wildlife
Wildlife
Bird care by type
Bird houses & nest boxes
Bird baths & tables
Bird feeders
Bird food
Bird care accessories
Shop all bird care
Wildlife by type
Hedgehogs & toads
Insects
Shop all wildlife
Food by type
Bird seed
Fats
Nuts
Mealworms
Hedgehog food
Shop all food
Inspiration
Plants attractive to bees
Plants attractive to birds
Plants attractive to butterflies & moths
Outdoor living
Outdoor living
Outdoor living
New in
Fire pits
Barbecues & pizza ovens
Water features
Furniture
Bird care & wildlife
Eco-friendly outdoor items
Picnic & garden games
Shop all outdoor living
Lighting
Festoon and string lights
Solar lighting
Tealight holders & lanterns
Path & stake lights
Decorative lights
Shop all lighting
Ornaments
Stakes
Wall plaques
Outdoor mirrors
Clocks & weather instruments
Shop all ornaments
Furniture
Furniture
By type
New in
Lounge sets
Bistro sets
Dining sets
Corner sets
Benches
Chairs & loungers
Hammock & swing sets
Shop all
By material
Woven rattan
FSC wood
Powder-coated steel
Aluminium
Plastic
Number of seats
Up to 2
Up to 3
Up to 4
Up to 6
Outdoor living
Fire pits
Barbecues & pizza ovens
Water features
Lighting
Potting benches & staging
Sheds & storage
OFFERS
OFFERS
PLANT
OFFERS
20% OFF roses
20% OFF spring shrubs
20% OFF hydrangeas
40% OFF 4 litre peonies*
50% OFF summer seedlings
20% OFF grow your own*
30% OFF 2 litre hellebores
30% OFF 2 litre iris
2+1 FREE herbs*
2+1 FREE fuchsia*
UP TO 30% OFF multibuy plants
*Selected lines only
PRODUCT
OFFERS
10% OFF pots & containers*
10% OFF ornaments*
10% OFF cold frames & growhouses*
UP TO 40% OFF last chance to buy*
MULTIBUY organic mulch
My account
My wishlist
Delivery
Help
More from Waitrose
Groceries
Cellar
Florist
Pet
Gifts
5 years plant guarantee
Named day delivery now available
See our FAQs
Home
>
Plants
>
Seeds
>
Flower seed
Shop Flower seed
Seeds
Flower seed
Eventual size : Medium
Attractive to wildlife : Attractive to bees
Planting combinations : Vibrant colour seed combination
Clear all filters
By type
Cornflower (Centaurea) seeds (1)
Flower seeds for cutting (1)
Soil type
Light sandy (1)
Normal (1)
Special conditions
Dry sun (1)
Tolerates drought (1)
Flowering month
May (1)
June (1)
July (1)
More filters
Flower colour
Black (1)
Red (1)
Sowing month outside
March (1)
April (1)
September (1)
October (1)
Soil moisture
Dry/Sandy (1)
Normal (1)
Kitchen garden planting guidelines
Propagate in green house (1)
Suitable for grow beds (1)
Suitable for large container gardening (1)
Use cloche (1)
1 results
Sort by
Popularity
Availability
Lowest price
Highest price
Name
Show all items
Show available items
Showing page 1 of 1
Next
Centaurea cyanus Black Ball
£2.79
approx 300 seeds
1 results
Sort by
Popularity
Availability
Lowest price
Highest price
Name
Showing page 1 of 1
Next
was added to your wheelbarrow
