Watercress
Nasturtium officinale
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Pl. 026E — Nasturtium officinale
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IOverview
Overview
Watercress (Nasturtium officinale) is a perennial herb native to Europe and Asia, with a widespread distribution that includes regions such as Afghanistan, Albania, Algeria, and parts of Africa and the Middle East. This plant thrives in wet environments, making it common near streams, ditches, and other water sources. Known for its culinary and medicinal uses, watercress is both edible and has documented medicinal benefits. Its leaves, stems, and seeds are all edible parts that can be harvested. Watercress features a distinctive peppery taste, which makes it popular in salads and as a garnish. One of its notable characteristics is its ability to grow well in light (sandy), medium, or heavy (clay) soil types with a pH range of 6.4–8, making it adaptable to various growing conditions.
Quick answers
What is Watercress?
Watercress (Nasturtium officinale) is a perennial herb native to Europe and Asia, with a widespread distribution that includes regions such as Afghanistan, Albania, Algeria, and parts of Africa and the Middle East. This plant thrives in wet environments, making it common near streams, ditches, and other water sources.
What is Watercress used for?
Traditionally used for digestion. Each claim is evidence-rated — see Section II for full citations.
Best for
Top 1 evidence-ranked use of Watercress
Clinicaluses · safety · chemistry · dosagemedicinal profile
IIBenefits & evidence
1 claim · 0 sources
Benefits & evidence
1 claim · 0 sources- Traditional-use note: Watercress appears in herbal sources around after-meal comfort traditions, often as a tea. PlantSage presents this as ethnobotanical context, not as medical advice.
Traditional context only. This reviewed claim keeps the original low confidence level, but avoids treatment, disease, dosage, or guaranteed-effect language.
IV·bMixology suggestions
1 draft
Mixology suggestions
1 draftEditorial drafts. These pairings are AI-suggested from traditional herbal lore. Always verify with a qualified herbalist before brewing.
Watercress support blend
generaltea
AI returned a direct ingredient list; normalized into one draft blend for editorial review.
Growingconditions · propagation · uses
VCultivation
Cultivation
Watercress thrives in wet conditions and prefers light to heavy soils with a pH between 6.4 and 8. It is hardy in temperate regions (zones 3-11) and can be propagated through direct sowing of seeds or cuttings. For best results, space plants about 15x15cm apart. Watercress has light requirements that vary but generally prefers partial shade to full sun. Keep the soil consistently moist for optimal growth. Harvest leaves, stems, fruit, and seeds as needed.
Light
7/10
Water
Wet, Water
Soil
Light (sandy), Medium, Heavy (clay)
Hardiness
3-11
Life cycle
Perennial
Habit
Forb/herb
Mature size
0.5-1.2m m tall
Soil pH
6.4–8
- Propagation
- Seed - direct sow, Cuttings, Seed - transplant
- Germination
- 7-21 days
- Days to harvest
- 45
- Spacing
- 15x15cm
For first-time growers
How to grow Watercress for the first time
8steps
Watercress is a straightforward plant for beginners, requiring minimal care once established.
- 1
What you'll need
Seeds or cuttings, containers or garden beds, soil or potting mix.
- 2
Best time to plant
Plant in spring and fall when temperatures are mild.
- 3
Soil and container prep
Use a well-draining soil with a pH between 6.4-8; ensure containers have drainage holes.
- 4
Sowing or transplanting
Direct sow seeds in the garden or start them indoors, then transplant to the garden after hardening off.
- 5
First two weeks
Keep soil consistently moist and provide partial shade until plants establish themselves.
- 6
Ongoing care
Water regularly, keeping the soil consistently moist; fertilize lightly every few months.
- 7
Harvest or pruning
Prune or harvest leaves as needed to encourage new growth; cut back stems to maintain a compact shape.
- 8
Common mistakes
Overwatering, planting in heavy soil, neglecting regular harvesting, not providing enough shade.
VIEdible & utility
Edible & utility
Edible parts:LeavesStemFruitSeed
Edible uses: Watercress is commonly eaten raw in salads or cooked as a green vegetable. The leaves and stems are often used fresh, adding a peppery flavor to dishes. It can also be dried for later use or made into a tea. Seeds are sometimes consumed but less frequently.
Other uses:Ground cover
Contextrange · companions · related
VIIDistribution
30 native · 0 introduced
Distribution
30 native · 0 introducedDistribution across3 continents· 30 native
Europe14 regions
native (14)AlbaniaAustriaBelgiumBulgariaCyprusFranceGermanyGreeceHungaryIrelandItalyPortugalRussiaSpain
Asia4 regions
native (4)AfghanistanIranIraqKazakhstan
Africa5 regions
native (5)AlgeriaCabo VerdeChadEgyptEthiopia
Broader regions
native:Europe, Asia, Czechoslovakia, East Aegean Is., Kirgizstan, Kriti
VIIIGarden companions
3 pairs
Garden companions
3 pairsPlant near these
These plants help — by repelling pests, fixing nitrogen, attracting pollinators, or sharing space well.
Great Yellow Cress
Rorippa amphibia
Pest repellent
Watercress deters pests with its strong scent.
✶ AI suggested
Red Dock
Rumex aquaticus
Pest repellent
Watercress deters pests that might otherwise harm Red Dock.
✶ AI suggested
Chinese Water Chestnut
Eleocharis dulcis
Pest repellent
Watercress deters pests with its strong scent.
✶ AI suggested
IXSpecimen gallery
1 image
Specimen gallery
1 imageXSee also
8 related
See also
8 relatedPlants you might compare or use together — scored by shared family, common use cases, and growing requirements.
shared use cases
Different families, similar therapeutic role — good for comparing.
XI
Explore further
Companion planting
Health goals
Compare with similar plants
Growing zone
XII
About this entry
- Last updated
- Citation
- How to cite this entry · Submit a correction
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