Fool's watercress (Apium nodiflorum) is a creeping aquatic perennial herb with hollow stems and small white flowers. It's found in wet habitats.
At-a-glance light, water, soil, and growing conditions from plant data
Preferred
75% intensity
Prefers full sun to partial shade. Tolerates shady conditions but may grow less vigorously.
Essential
100% intensity
Keep soil consistently moist to wet; can tolerate shallow standing water.
Clay, Loam, Sand, Acidic, Neutral, Alkaline
50% intensity
Moderate
50% intensity
Prefers cool to moderate temperatures. Avoid prolonged exposure to high heat without adequate moisture.
Aquatic
50% intensity
Low
25% intensity
Not a heavy feeder. Benefits from nutrient-rich soil; fertilize sparingly if needed.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
| Edible | Yes |
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Fool's watercress thrives in consistently moist to wet conditions. It can be grown in shallow water or in very damp soil. Avoid letting the soil dry out completely, as this will stress the plant.
Regular watering is essential, especially during warmer periods.
Pruning is primarily for shaping and encouraging bushier growth. Trim stems back as needed to maintain desired size and form, or to remove any leggy or damaged sections.
Regular pinching of the tips will promote denser foliage, which is ideal for its culinary use.
Fool's watercress is easily propagated from stem cuttings. Simply take a healthy cutting, ensure it has at least one node, and place it in water or moist soil. It will root readily.
Division of established clumps is also an effective method.
Repotting is usually only necessary if the plant becomes root-bound, which is less common in its typical boggy or aquatic habitat. If container-grown and showing signs of restricted growth, repot into a larger container with fresh, moisture-retentive potting mix in spring.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Apiales |
| Family | Apiaceae |
| Genus | Apium |
| Species | Apium nodiflorum |
Similar in genus Apium
Answers based on plant encyclopedia data
