Shop

Information & Help

My account

crocus
Wish-list My wheelbarrow

Search for "tall blue flowers"

By type
Facing
How much sun
Soil type
Special conditions
Flower colour
Evergreen / deciduous
Attractive to wildlife
Quick growing
Eventual size
Sowing month inside or protected
Sowing month outside
Ready made borders
Planting combinations
Hardy
Leaf colour
Ground cover
Position
Soil moisture
Used at Chelsea
Kitchen garden planting guidelines
Sort by popularity
All items
Showing Special features : Climate resilient Flowering month : August clear all
16 items
Aster × frikartii Mönch

Best Seller

Aster × frikartii 'Mönch'
From £8.99
9cm pot
2 litre pot
3 × 9cm pots
6 × 9cm pots
+ 1 more available
0.75 star 1 star 1 star 1 star 1 star 4.8 5 61 (61)
Echinops ritro Veitch's Blue

Best Seller

Echinops ritro 'Veitch's Blue'
From £12.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star 4.7 5 15 (15)
Agapanthus Midnight Star
Agapanthus 'Midnight Star'
From £13.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star 4.4 5 5 (5)
Valeriana officinalis

Best Seller

Valeriana officinalis
From £8.99
9cm pot
3 × 9cm pots
6 × 9cm pots
1 star 1 star 1 star 1 star 1 star 5.0 5 3 (3)
Agapanthus Midnight Moon ('DWHYB20') (PBR)
Agapanthus Midnight Moon ('DWHYB20') (PBR)
From £15.99
9cm pot
3 × 9cm pots
Agapanthus Queen Mum ('Pmn06') (PBR)
Agapanthus Queen Mum ('Pmn06') (PBR)
From £15.75
9cm pot
3 × 9cm pots
0 star 0 star 0 star 1 star 1 star 2.0 5 1 (1)
Aster amellus King George
Aster amellus 'King George'
From £9.99
9cm pot
3 × 9cm pots
6 × 9cm pots
1 star 1 star 1 star 1 star 1 star 5.0 5 4 (4)
Cirsium rivulare Trevors Felley Find (PBR)
Cirsium rivulare 'Trevors Felley Find' (PBR)
From £10.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star 4.5 5 4 (4)
Eryngium Magical Red Thunder (PBR)

New

Eryngium 'Magical Red Thunder' (PBR)
From £12.99
9cm pot
3 × 9cm pots
Dry sun plant combination

20% off

Dry sun plant combination
£29.96 £29.36
4 × plants | 1 of each
Echinops and Achillea plant combination
Echinops & Achillea plant combination
£56.94
6 × plants | 3 of each
Lythrum salicaria

20% off

Lythrum salicaria
From £2.63
approx 250 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Centaurea cyanus Classic Fantastic

20% off

Centaurea cyanus 'Classic Fantastic'
£2.99 £2.39
approx 100 seeds
Aster chinensis Silver Blue

New

Aster chinensis 'Silver Blue'
£4.99 £3.99
available to order from spring
Papaver Rose Feathers

New

Papaver 'Rose Feathers'
£2.49 £1.99
available to order from spring
Pontederia cordata f. albiflora
Pontederia cordata f. albiflora
£34.99
available to order from summer

Copyright © Crocus.co.uk Ltd 2026. All rights reserved.

Contact us
Terms
Privacy
Cookies

© Crocus.co.uk Ltd 2026. All rights reserved.