Free standard delivery when you spend £75 or more on full-priced plants | T&Cs apply

20% off allium bulbs | Preorder now

Shop

Information & Help

My account

crocus
Wish-list My wheelbarrow

Search for "hardy perennial"

By type
Facing
How much sun
Special conditions
Flowering month
Flower colour
Evergreen / deciduous
Fragrance
Attractive to wildlife
Quick growing
Eventual size
Special features
Hardy
Leaf colour
Ground cover
Position
Soil moisture
Used at Chelsea
Sort by name
All items
Showing Soil type : Aquatic clear all
83 items
Acorus calamus
Acorus calamus
£24.99 - £39.99
1 litre aquatic pot Delivery by trusted supplier within 1 week
3 × 1 litre aquatic pots Delivery by trusted supplier within 1 week
3 litre aquatic pot available to order from summer
Acorus calamus Argenteostriatus
Acorus calamus 'Argenteostriatus'
£21.99 - £39.99
1 litre aquatic pot Delivery by trusted supplier within 1 week
3 litre aquatic pot Delivery by trusted supplier within 1 week
3 × 1 litre aquatic pots Delivery by trusted supplier within 1 week
Acorus gramineus Variegatus
Acorus gramineus 'Variegatus'
£21.99 - £39.99
1 litre aquatic pot available to order from summer
3 × 9cm pots available to order from summer
3 × 1 litre aquatic pots available to order from summer
Alisma plantago-aquatica
Alisma plantago-aquatica
£21.99 - £39.99
1 litre aquatic pot available to order from summer
3 × 9cm pots available to order from summer
3 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
Anagallis tenella
Anagallis tenella
£21.99 - £39.99
1 litre aquatic pot available to order from summer
3 × 9cm pots available to order from summer
3 × 1 litre aquatic pots available to order from summer
Baldellia ranunculoides
Baldellia ranunculoides
£21.99 - £39.99
3 × 9cm pots Delivery by trusted supplier within 1 week
1 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
Calla palustris
Calla palustris
£21.99 - £39.99
1 litre aquatic pot available to order from summer
3 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
Callitriche stagnalis
Callitriche stagnalis
£19.99
5 × plants available to order from summer
Caltha palustris
Caltha palustris
£22.99 - £49.99
1 litre aquatic pot available to order from summer
3 × 9cm pots available to order from summer
3 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
5 litre aquatic pot available to order from summer
Caltha polypetala
Caltha polypetala
£21.99 - £39.99
1 litre aquatic pot available to order from summer
3 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
Carex acuta
Carex acuta
£21.99 - £49.99
1 litre aquatic pot Delivery by trusted supplier within 1 week
3 litre aquatic pot Delivery by trusted supplier within 1 week
3 × 1 litre aquatic pots Delivery by trusted supplier within 1 week
3 × 9cm pots available to order from summer
5 litre aquatic pot available to order from summer
Cotula coronopifolia
Cotula coronopifolia
£21.99 - £39.99
1 litre aquatic pot Delivery by trusted supplier within 1 week
3 × 9cm pots Delivery by trusted supplier within 1 week
3 litre aquatic pot Delivery by trusted supplier within 1 week
3 × 1 litre aquatic pots Delivery by trusted supplier within 1 week
Dichromena colorata
Dichromena colorata
£21.99 - £39.99
1 litre aquatic pot available to order from summer
3 × 9cm pots available to order from summer
3 × 1 litre aquatic pots available to order from summer
Eleocharis acicularis
Eleocharis acicularis
£21.99 - £39.99
1 litre aquatic pot Delivery by trusted supplier within 1 week
3 × 9cm pots Delivery by trusted supplier within 1 week
2 litre aquatic pot Delivery by trusted supplier within 1 week
3 × 1 litre aquatic pots Delivery by trusted supplier within 1 week
Eriophorum angustifolium
Eriophorum angustifolium
£21.99 - £39.99
1 litre aquatic pot Delivery by trusted supplier within 1 week
3 × 1 litre aquatic pots Delivery by trusted supplier within 1 week
3 × 9cm pots available to order from summer
Gratiola officinalis
Gratiola officinalis
£21.99 - £39.99
1 litre aquatic pot available to order from summer
3 × 9cm pots available to order from summer
3 × 1 litre aquatic pots available to order from summer
Hydrocleys nymphoides
Hydrocleys nymphoides
£23.99
5 × plants available to order from summer
Hydrocotyle novae-zeelandiae
Hydrocotyle novae-zeelandiae
£21.99 - £39.99
1 litre aquatic pot Delivery by trusted supplier within 1 week
3 × 9cm pots Delivery by trusted supplier within 1 week
3 × 1 litre aquatic pots Delivery by trusted supplier within 1 week
Hydrocotyle sibthorpioides
Hydrocotyle sibthorpioides
£21.99 - £39.99
1 litre aquatic pot available to order from summer
3 × 9cm pots available to order from summer
3 × 1 litre aquatic pots available to order from summer
Hypericum tetrapterum
Hypericum tetrapterum
£21.99 - £39.99
1 litre aquatic pot available to order from summer
3 × 9cm pots available to order from summer
3 × 1 litre aquatic pots available to order from summer
Iris Berlin Tiger
Iris 'Berlin Tiger'
£14.99
1 litre aquatic pot In stock (shipped within 2-3 working days)
Iris ensata Rose Queen
Iris ensata 'Rose Queen'
£14.99
1 litre aquatic pot In stock (shipped within 2-3 working days)
Iris louisiana Hybrids
Iris louisiana Hybrids
£34.99
3 litre aquatic pot Delivery by trusted supplier within 1 week
Iris pseudacorus
Iris pseudacorus
£12.99 - £34.00
9cm pot shipped within 2 weeks
3 × 9cm pots shipped within 2 weeks
0 star 0 star 1 star 1 star 1 star
Iris pseudacorus Flore Pleno
Iris pseudacorus 'Flore Pleno'
£34.99 - £49.99
5 litre aquatic pot Delivery by trusted supplier within 1 week
3 litre aquatic pot available to order from summer
Iris pseudacorus Variegata
Iris pseudacorus 'Variegata'
£34.99 - £49.99
3 litre aquatic pot Delivery by trusted supplier within 1 week
5 litre aquatic pot Delivery by trusted supplier within 1 week
Iris pseudacorus var. bastardii
Iris pseudacorus var. bastardii
£21.99 - £39.99
1 litre aquatic pot available to order from summer
3 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
Iris sibirica
Iris sibirica
£21.99 - £39.99
1 litre aquatic pot available to order from summer
3 × 9cm pots available to order from summer
3 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
Iris versicolor
Iris versicolor
£21.99 - £39.99
1 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
Iris × robusta Gerald Darby
Iris × robusta 'Gerald Darby'
£36.99
3 litre aquatic pot available to order from summer
Isolepis cernua
Isolepis cernua
£14.99 - £39.99
1 litre aquatic pot In stock (shipped within 2-3 working days)
3 × 1 litre aquatic pots Delivery by trusted supplier within 1 week
3 × 9cm pots available to order from summer
2 litre aquatic pot available to order from summer
3 litre aquatic pot available to order from summer
1 star 1 star 1 star 1 star 1 star
Juncus maritimus
Juncus maritimus
£21.99 - £39.99
1 litre aquatic pot Delivery by trusted supplier within 1 week
3 × 9cm pots Delivery by trusted supplier within 1 week
3 × 1 litre aquatic pots Delivery by trusted supplier within 1 week
Lobelia cardinalis Queen Victoria
Lobelia cardinalis 'Queen Victoria'
£21.99 - £39.99
1 litre aquatic pot Delivery by trusted supplier within 1 week
3 × 1 litre aquatic pots Delivery by trusted supplier within 1 week
3 × 9cm pots available to order from summer
Lobelia siphilitica
Lobelia siphilitica
£21.99 - £39.99
1 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
Lobelia × speciosa Vedrariensis
Lobelia × speciosa 'Vedrariensis'
£21.99 - £39.99
1 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
Lysichiton camtschatcensis
Lysichiton camtschatcensis
£21.99 - £39.99
1 litre aquatic pot Delivery by trusted supplier within 1 week
3 × 1 litre aquatic pots Delivery by trusted supplier within 1 week
0.75 star 1 star 1 star 1 star 1 star
Lysimachia nummularia Aurea
Lysimachia nummularia 'Aurea'
£10.99 - £39.99
9cm pot shipped within 2 weeks
1 litre aquatic pot available to order from summer
3 × 9cm pots available to order from summer
3 × 1 litre aquatic pots available to order from summer
1 star 1 star 1 star 1 star 1 star
Marsilea quadrifolia
Marsilea quadrifolia
£21.99 - £39.99
1 litre aquatic pot available to order from summer
3 × 9cm pots available to order from summer
2 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
Mazus reptans
Mazus reptans
£21.99 - £39.99
1 litre aquatic pot Delivery by trusted supplier within 1 week
3 × 9cm pots Delivery by trusted supplier within 1 week
3 litre aquatic pot Delivery by trusted supplier within 1 week
3 × 1 litre aquatic pots Delivery by trusted supplier within 1 week
Mazus reptans Albus
Mazus reptans 'Albus'
£21.99 - £39.99
1 litre aquatic pot Delivery by trusted supplier within 1 week
3 litre aquatic pot Delivery by trusted supplier within 1 week
3 × 1 litre aquatic pots Delivery by trusted supplier within 1 week
3 × 9cm pots available to order from summer
Menyanthes trifoliata
Menyanthes trifoliata
£21.99 - £39.99
1 litre aquatic pot available to order from summer
3 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
Mimulus cardinalis
Mimulus cardinalis
£21.99 - £39.99
1 litre aquatic pot Delivery by trusted supplier within 1 week
3 × 9cm pots Delivery by trusted supplier within 1 week
3 × 1 litre aquatic pots Delivery by trusted supplier within 1 week
Mimulus guttatus
Mimulus guttatus
£21.99 - £39.99
1 litre aquatic pot Delivery by trusted supplier within 1 week
3 litre aquatic pot Delivery by trusted supplier within 1 week
3 × 1 litre aquatic pots Delivery by trusted supplier within 1 week
3 × 9cm pots available to order from summer
0 star 1 star 1 star 1 star 1 star
Mimulus luteus Queens Prize
Mimulus luteus 'Queens Prize'
£21.99 - £39.99
3 × 9cm pots Delivery by trusted supplier within 1 week
1 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
Miniature pond collection with a water lily
Miniature pond collection with a water lily
£79.99
6 × 1 litre aquatic pots Delivery by trusted supplier within 1 week
Miniature pond collection with deep water plant
Miniature pond collection with deep water plant
£69.99
6 × 1 litre aquatic pots Delivery by trusted supplier within 1 week
Myosotis scorpioides
Myosotis scorpioides
£12.99 - £39.99
9cm pot In stock (shipped within 2-3 working days)
1 litre aquatic pot Delivery by trusted supplier within 1 week
3 × 9cm pots In stock (shipped within 2-3 working days)
3 × 1 litre aquatic pots Delivery by trusted supplier within 1 week
3 litre aquatic pot available to order from summer
0 star 0 star 0 star 1 star 1 star
Myosotis scorpioides Snowflakes
Myosotis scorpioides 'Snowflakes'
£21.99 - £39.99
1 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
Myriophyllum crispatum
Myriophyllum crispatum
£21.99 - £39.99
1 litre aquatic pot available to order from summer
3 × 9cm pots available to order from summer
2 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
Myriophyllum rubricaule Red Stem
Myriophyllum rubricaule 'Red Stem'
£21.99 - £39.99
1 litre aquatic pot available to order from summer
3 × 9cm pots available to order from summer
2 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
Myriophyllum verticillatum
Myriophyllum verticillatum
£19.99
1 bunch Delivery by trusted supplier within 1 week
Nasturtium officinale
Nasturtium officinale
£27.99 - £39.99
3 × 9cm pots available to order from summer
3 × 1 litre pots available to order from summer
Nymphaea Caroliniana Nivea
Nymphaea 'Caroliniana Nivea'
£39.99
3 litre aquatic pot available to order from summer
Nymphaea Escarboucle
Nymphaea 'Escarboucle'
£39.99
3 litre aquatic pot available to order from summer
Nymphaea Fire Crest
Nymphaea 'Fire Crest'
£42.99
3 litre aquatic pot Delivery by trusted supplier within 1 week
Nymphaea Gonnere
Nymphaea 'Gonnère'
£39.99 - £69.99
3 litre aquatic pot In stock (shipped within 2-3 working days)
10 litre pot Delivery by trusted supplier within 1 week
Nymphaea Joey Tomocik
Nymphaea 'Joey Tomocik'
£42.99
3 litre aquatic pot Delivery by trusted supplier within 1 week
Nymphaea Laydekeri Fulgens
Nymphaea 'Laydekeri Fulgens'
£38.99
1 litre aquatic pot In stock (shipped within 2-3 working days)
Nymphaea Madame Wilfon Gonnère

30% off

Nymphaea 'Madame Wilfon Gonnère'
£42.99 - £189.99
3 litre aquatic pot Delivery by trusted supplier within 1 week
2 litre aquatic pot In stock (shipped within 2-3 working days)
10 litre aquatic pot Delivery by trusted supplier within 1 week
30 litre pot Delivery by trusted supplier within 1 week
Nymphaea Marliacea Rosea
Nymphaea 'Marliacea Rosea'
£39.99
3 litre aquatic pot In stock (shipped within 2-3 working days)
Nymphaea Mayla
Nymphaea 'Mayla'
£42.99
3 litre aquatic pot Delivery by trusted supplier within 1 week
Nymphaea Mrs Richmond
Nymphaea 'Mrs Richmond'
£42.99
3 litre aquatic pot Delivery by trusted supplier within 1 week
Nymphaea Odorata Sulphurea
Nymphaea 'Odorata Sulphurea'
£38.99 - £42.99
3 litre aquatic pot Delivery by trusted supplier within 1 week
1 litre aquatic pot available to order from summer
Nymphaea Paul Harriot
Nymphaea 'Paul Harriot'
£42.99 - £189.99
3 litre aquatic pot Delivery by trusted supplier within 1 week
10 litre pot Delivery by trusted supplier within 1 week
30 litre pot Delivery by trusted supplier within 1 week
Nymphaea Perry Baby Red
Nymphaea 'Perry Baby Red'
£38.99 - £42.99
1 litre aquatic pot available to order from summer
2 litre aquatic pot available to order from summer
Nymphaea Vesuve
Nymphaea 'Vesuve'
£42.99
3 litre aquatic pot available to order from summer
Nymphaea Virginalis
Nymphaea 'Virginalis'
£38.99 - £189.99
1 litre aquatic pot Delivery by trusted supplier within 1 week
3 litre aquatic pot Delivery by trusted supplier within 1 week
10 litre aquatic pot Delivery by trusted supplier within 1 week
30 litre pot Delivery by trusted supplier within 1 week
Nymphaea tetragona
Nymphaea tetragona
£38.99 - £42.99
1 litre aquatic pot In stock (shipped within 2-3 working days)
2 litre aquatic pot available to order from summer
Oenanthe japonica Flamingo
Oenanthe japonica 'Flamingo'
£21.99 - £39.99
1 litre aquatic pot Delivery by trusted supplier within 1 week
3 × 9cm pots Delivery by trusted supplier within 1 week
3 × 1 litre aquatic pots Delivery by trusted supplier within 1 week
3 litre aquatic pot available to order from summer
Ornamental colour pond plant collection
Ornamental colour pond plant collection
£39.99 - £85.99
3 × 1 litre aquatic pots Delivery by trusted supplier within 1 week
6 × 9cm pots Delivery by trusted supplier within 1 week
4 × 3 litre aquatic pots Delivery by trusted supplier within 1 week
Orontium aquaticum
Orontium aquaticum
£24.99 - £39.99
3 litre aquatic pot Delivery by trusted supplier within 1 week
1 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
1 star 1 star 1 star 1 star 1 star
Persicaria amphibia
Persicaria amphibia
£27.99 - £34.99
3 × 9cm pots available to order from summer
3 litre aquatic pot available to order from summer
Pontederia cordata f. albiflora
Pontederia cordata f. albiflora
£34.99
3 litre aquatic pot available to order from summer
Potentilla palustris
Potentilla palustris
£14.99 - £39.99
1 litre aquatic pot In stock (shipped within 2-3 working days)
3 × 1 litre aquatic pots available to order from summer
Ranunculus aquatilis
Ranunculus aquatilis
£19.99 - £75.96
pack of 5 Delivery by trusted supplier within 1 week
10 + 5 FREE Delivery by trusted supplier within 1 week
20 + 10 FREE Delivery by trusted supplier within 1 week
Sagittaria sagittifolia
Sagittaria sagittifolia
£21.99 - £39.99
1 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
Saururus cernuus
Saururus cernuus
£21.99 - £39.99
1 litre aquatic pot available to order from summer
3 × 9cm pots available to order from summer
3 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
Schoenoplectus lacustris
Schoenoplectus lacustris
£27.99 - £34.99
3 × 9cm pots available to order from summer
3 litre aquatic pot available to order from summer
Typha gracilis
Typha gracilis
£34.99
3 litre aquatic pot available to order from summer
Typha latifolia
Typha latifolia
£21.99 - £99.98
1 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
3 litre aquatic pot available to order from summer
5 litre aquatic pot available to order from summer
Typha latifolia Variegata
Typha latifolia 'Variegata'
£42.99
3 litre aquatic pot Delivery by trusted supplier within 1 week
Veronica beccabunga
Veronica beccabunga
£14.99 - £39.99
1 litre aquatic pot available to order from summer
3 × 9cm pots available to order from summer
3 × 1 litre aquatic pots available to order from summer
watercress

25% off

watercress
£2.19 £1.64
approx 2000 seeds In stock (shipped within 2-3 working days)

Copyright © Crocus.co.uk Ltd 2025. All rights reserved.