Free delivery over £75 on plants* | T&Cs apply

Shop

Information & Help

My account

crocus
Wish-list My wheelbarrow

Search for "potash"

By type
Facing
How much sun
Special conditions
Flowering month
Flower colour
Evergreen / deciduous
Fragrance
Quick growing
Eventual size
Special features
Bulb planting time
Bulb divisions
Bedding planting time
Sowing month inside or protected
Sowing month outside
Vegetable harvesting month
Vegetable groups
Planting combinations
Hardy
Leaf colour
Ground cover
Position
Soil moisture
Used at RHS Chelsea Flower Show
Kitchen garden planting guidelines
Sort by name
All items
Showing Soil type : Normal Attractive to wildlife : RHS Plants for pollinators clear all
151 items
Heliotropium arborescens Marine

New

20% off

Heliotropium arborescens 'Marine'
£2.99 £2.39
approx 150 seeds
Hesperis matronalis

20% off

Hesperis matronalis
£2.79 £2.23
approx 500 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 2 (2)
Hesperis matronalis var. albiflora

20% off

Hesperis matronalis var. albiflora
From £2.39
approx 500 seeds
9cm pot
3 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star 4.6 5 5 (5)
Nemesia Nesia Tropical (Nesia Series)
Nemesia Nesia Tropical (Nesia Series)
£9.99
sold out
1 star 1 star 1 star 1 star 1 star 5.0 5 2 (2)
Nigella Persian Jewels

New

20% off

Nigella 'Persian Jewels'
£2.99 £2.39
approx 500 seeds
Nigella damascena Miss Jekyll Alba

New

Nigella damascena 'Miss Jekyll Alba'
£2.40 £1.92
available to order from summer
Nigella damascena Miss Jekyll

20% off

Nigella damascena 'Miss Jekyll'
From £1.91
approx 500 seeds
3 × packets of seeds
0 star 1 star 1 star 1 star 1 star 4.0 5 2 (2)
Nigella damascena Oxford Blue

20% off

Nigella damascena 'Oxford Blue'
£2.79 £2.23
approx 500 seeds
Nigella papillosa African Bride

20% off

Nigella papillosa 'African Bride'
From £2.31
approx 100 seeds
3 × packets of approx 100 seeds
Pastels cutting garden collection

20% off

Pastels cutting garden collection
£28.62 £22.90
1 × collection
Phlox drummondii Crème Brûlée

20% off

Phlox drummondii 'Crème Brûlée'
£2.49 £1.99
approx 200 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
pumpkin Hundredweight

20% off

pumpkin 'Hundredweight'
£2.19 £1.75
approx 15 seeds
Ruffling skies cutting garden collection

20% off

Ruffling skies cutting garden collection
£15.05 £12.04
1 × collection
Salvia Nachtvlinder

Best Seller

Salvia 'Nachtvlinder'
From £9.99
9cm pot
3 × 9cm pots
1 star 1 star 1 star 1 star 1 star 4.9 5 34 (34)
Salvia Royal Bumble
Salvia 'Royal Bumble'
From £9.99
9cm pot
3 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star 4.7 5 18 (18)
Salvia Sea of Butterflies mixed

50% off

Salvia farinacea Sea of Butterflies mixed
£29.99 £15.00
40 + 20 FREE seedlings
0 star 0.75 star 1 star 1 star 1 star 3.8 5 4 (4)
Salvia farinacea Victoria Blue Bicolour
Salvia farinacea 'Victoria Blue Bicolour'
From £7.99
9cm pot
2 + 1 FREE 9cm pots
Salvia Mystic Spires Blue ('Balsalmisp')
Salvia Mystic Spires Blue ('Balsalmisp')
From £7.99
available to order from late spring
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Salvia Victoria Blue ('Vivisal') (PBR)
Salvia Victoria Blue ('Vivisal') (PBR)
From £7.99
9cm pot
2 + 1 FREE 9cm pots
Salvia × jamensis Violette de Loire ('Barsal') (PBR)

New

Salvia × jamensis Violette de Loire ('Barsal) (PBR)
From £11.99
available to order from summer
Simple white cutting garden collection

20% off

Simple white cutting garden collection
£5.88 £4.70
1 × collection
Stocks Fragrance Mixed (10 Week Mixed)

50% off

Stocks 'Fragrance Mixed'
£29.99 £15.00
40 + 20 FREE seedlings
0.25 star 1 star 1 star 1 star 1 star (9)
Sugared almonds cutting garden collection
Sugared almonds cutting garden collection
£28.62 £22.32
available to order from summer
Erysimum ( wallflower ) Sweetly fragrant collection
Sweetly fragrant wallflower collection
From £22.99
sold out
Tulipa Big Love
Tulipa 'Big Love'
From £9.99
available to order from summer
Tulipa Hakuun

New

Tulipa 'Hakuun'
From £7.99
sold out
Tulipa Mariette
Tulipa 'Mariette'
From £6.99
available to order from summer
Tulipa Negrita
Tulipa 'Negrita'
From £6.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (5)
Tulipa Pinocchio
Tulipa 'Pinocchio'
From £7.99
available to order from summer
Tulipa Prinses Irene
Tulipa 'Prinses Irene'
From £7.99
available to order from summer
0.5 star 1 star 1 star 1 star 1 star (12)
Tulipa Queen of Night

Best Seller

Tulipa 'Queen of Night'
From £6.99
available to order from summer
0.5 star 1 star 1 star 1 star 1 star (30)
Tulipa Spring Green
Tulipa 'Spring Green'
From £6.29
available to order from summer
0.5 star 1 star 1 star 1 star 1 star (8)
Venetian sky tulip collection
Venetian sky tulip collection
From £25.95
available to order from summer
Verbena Enchantment Purple (Enchantment Series)

50% off

Verbena 'Enchantment Purple' (Enchantment Series)
From £5.50
9cm pot
2 + 1 FREE 9cm pots
1 star 1 star 1 star 1 star 1 star (1)
Verbena Enchantment White (Enchantment Series)
Verbena 'Enchantment White' (Enchantment Series)
£10.99 £6.59
sold out
1 star 1 star 1 star 1 star 1 star (1)
Verbena Showboat Dark Red (Showboat Series)

50% off

Verbena 'Showboat Dark Red' (Showboat Series)
£10.99 £5.50
5 × rooted cuttings
1 star 1 star 1 star 1 star 1 star (2)
Verbena Showboat Magenta (Showboat Series)

New

50% off

Verbena 'Showboat Magenta' (Showboat Series)
£10.99 £5.50
5 × rooted cuttings
0 star 1 star 1 star 1 star 1 star (2)
Verbena Showboat Midnight (Showboat Series)

40% off

Verbena 'Showboat Midnight' (Showboat Series)
From £6.59
5 × rooted cuttings
9cm pot
2 + 1 FREE 9cm pots
0 star 0.5 star 1 star 1 star 1 star (4)
Verbena Endurascape Dark Purple ('Balendakle')

50% off

Verbena Endurascape Dark Purple ('Balendakle')
From £6.50
5 × rooted cuttings
9cm pot
2 + 1 FREE 9cm pots
Verbena Endurascape Hot Pink ('Balendopin')

40% off

Verbena Endurascape Hot Pink ('Balendopin')
From £7.79
9cm pot
2 + 1 FREE 9cm pots
0.25 star 1 star 1 star 1 star 1 star (3)
Viola Sorbet XP Delft Blue (Sorbet XP Series)
Viola Sorbet XP Delft Blue (Sorbet XP Series)
From £6.99
available to order from late spring
Viola Sorbet XP Pink Halo (Sorbet XP Series)
Viola Sorbet XP Pink Halo (Sorbet XP Series)
From £6.99
available to order from late spring
Viola Sorbet XP Purple (Sorbet XP Series)
Viola Sorbet XP Purple (Sorbet XP Series)
From £6.99
available to order from late spring
Viola Sorbet XP Red (Sorbet XP Series)
Viola Sorbet XP Red (Sorbet XP Series)
From £6.99
available to order from late spring
Viola Sorbet XP White (Sorbet XP Series)
Viola Sorbet XP White (Sorbet XP Series)
From £6.99
available to order from late spring
Erysimum Sugar Rush Primrose (Sugar Rush Series)
wallflower 'Sugar Rush Primrose' F1
From £3.99
available to order from late spring
0.5 star 1 star 1 star 1 star 1 star (2)
Erysimum Sugar Rush Purple Bicolour (Sugar Rush Series)
wallflower 'Sugar Rush Purple Bicolour' F1
From £3.99
available to order from late spring
1 star 1 star 1 star 1 star 1 star (4)
Erysimum Sugar Rush Red (Sugar Rush Series)
wallflower 'Sugar Rush Red' F1
From £3.99
available to order from late spring
0 star 1 star 1 star 1 star 1 star (4)
Zinnia Dahlia-Flowered Mixed

20% off

Zinnia 'Dahlia-Flowered Mixed'
£2.99 £2.39
approx 130 seeds
Zinnia elegans Purple Prince

20% off

Zinnia elegans 'Purple Prince'
£2.89 £2.31
approx 100 seeds
1 star 1 star 1 star 1 star 1 star (1)
Zinnia elegans Queen Lime Red (Queen Series)

20% off

Zinnia elegans 'Queen Lime Red' (Queen Series)
£5.49 £4.39
approx 20 seeds
< Prev 1 2 Next >

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

Contact us
Terms
Privacy
Cookies

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