Water Dropwort
oenanthe fistulosa
Also known as: ["Fennel Water Dropwort","Hollow Water Dropwort"]
Overview
A perennial herbaceous plant native to wetlands and damp habitats, known for its hollow stems and feathery leaves.
Benefits & Perks
["wildlife attractant (bees, butterflies, birds)","shade tolerant"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Apiales |
| Family: | Apiaceae |
| Genus: | Oenanthe |
| Botanical Name: | Oenanthe fistulosa |
Plant Characteristics
Basic Information
- Category: Herbs & Weeds
- Suitable Location: partially shaded garden bed with consistent moisture
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"5–30°C"}
- Hardiness: {"zones":"6–9"}
- Misting: rarely required, only if ambient humidity is very low
- Drainage: Moderately well-draining; avoid heavy clay soils.
- Soil Type: Rich, loamy soil with good organic matter; well-draining to prevent waterlogging.
Maintenance Level
- Maintenance Level: moderate
- Toughness Level: moderate
- Pruning Frequency: As needed, typically every 6–12 months or after flowering.
- Pruning Intensity: Moderate; remove up to one-third of the plant if overgrown.
Care Details
Ideal Sunlight Coverage:
Partial shade to full sun (4–6 hours of direct sunlight or bright indirect light); adjust based on intensity and season.
Sunlight Tolerance Tips:
Acclimate gradually to direct sun to avoid scorching; provide shade during peak summer hours; place in dappled light in hot climates.
Care Requirements
Care Difficulty
moderatemoderate
Sunlight
partial shade to full sun
Morning sun is ideal; avoid harsh afternoon sun; rotate plant for even growth.
Watering
every 7–10 days during active growth, reduce in winter
Water thoroughly but infrequently; ensure soil dries between waterings; avoid overwatering.
Soil
moist, well-draining, humus-rich soil
pH: Slightly acidic to neutral (pH 6.0–7.0).
Ensure good drainage; avoid compacted soil; enrich with organic matter annually.
Temperature
Prefers moderate temperatures (60–75°F or 15–24°C); tolerates cooler conditions but not frost.
Avoid sudden temperature changes; protect from drafts; maintain consistent warmth in winter.
Fertilizing
every 4–6 weeks during growing season, none in winter
Fertilize less in winter; use a balanced formula; apply after watering to prevent root burn.
Propagation
Methods
Stem cuttings or division; stem cuttings are more common for home growers.
Step-by-Step Propagation Guide
- Take a 4–6 inch cutting.
- Remove lower leaves.
- Dip in rooting hormone (optional).
- Plant in medium.
- Keep moist and warm.
Best Time: Spring or early summer when the plant is actively growing.
Environment
Warm, humid environment with indirect light; maintain consistent moisture.
Medium
Well-draining potting mix with perlite or sand; can also root in water initially.
Hormone
Optional but recommended for faster rooting.
Timeline
Roots may develop in 2–4 weeks; establish in new pot within 2–3 months.
Tools Needed
Pruning shears, rooting hormone, small pots, well-draining soil mix.
Quick Tips
Use healthy, non-flowering stems; keep cuttings out of direct sun; maintain humidity with a plastic bag if needed.
Pruning & Repotting
Pruning Guide
Method
Pinch back tips for bushier growth; cut just above a leaf node or bud.
Pruning Plan
Prune to maintain shape, encourage bushier growth, and remove dead or diseased parts.
Tools
Pruning shears, sterilized knife, gloves.
Checklist
Sterilize tools; prune dead/damaged parts; shape as desired; clean up debris.
Repotting Guide
Best Season
Spring, before the active growing season begins.
Pot Size
Choose a pot 1–2 inches larger in diameter than the current one.
Method
Remove plant gently; trim roots if needed; place in new pot with fresh soil; water lightly.
Suggestions
Repot every 2–3 years or when roots fill the pot; beneficial for growth and soil freshness.
Checklist
Check root bound status; prepare new pot with drainage; trim roots if necessary; use fresh soil.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture; water deeply; ensure drainage; adjust for season.
How to Apply Water Properly
Water at the base of the plant, ensuring even moisture reaches the root zone; allow excess water to drain away; water in the morning to reduce evaporation.
Watering Schedule Tips
Water deeply once the top inch of soil feels dry; reduce frequency in winter to prevent root rot.
Soil Improvement
Add compost or organic matter for fertility; mix in perlite or sand for drainage.
Temperature Stress Management
Signs of Temperature Issues
Wilting, yellowing leaves, or stunted growth in extreme heat or cold.
Cold Stress
Slows growth, may cause leaf drop, and can lead to root damage in freezing temperatures.
Solution: Protect from frost with a cover or move indoors; ensure good air circulation to prevent mold.
Hot Stress
Leaves may wilt, scorch, or drop; growth may slow due to excessive heat.
Solution: Provide shade during peak heat; increase humidity; water more frequently but avoid waterlogging.
Fertilizing Guide
Fertilizing Checklist
Check season; dilute fertilizer; apply to soil; rinse tools after use.
Fertilizing Method
Use a balanced liquid fertilizer diluted to half strength every 4–6 weeks during growing season (spring to early fall); avoid fertilizing in winter.
Common Problems & Solutions
Toxicity Warning
Cats
ToxicOenanthe fistulosa is toxic to cats, with oenanthotoxin being the primary compound responsible for adverse effects. Cats are particularly sensitive to such toxins, and ingestion can lead to serious health complications.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Dogs
ToxicIn dogs, Oenanthe fistulosa is considered toxic due to the presence of oenanthotoxin, which can induce severe gastrointestinal and neurological symptoms. The plant poses a significant risk to canine health, particularly if consumed in large quantities.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Humans
Slightly ToxicOenanthe fistulosa contains toxic compounds, primarily oenanthotoxin, which can cause severe neurological and gastrointestinal disturbances upon ingestion. The plant's effects are dose-dependent, with higher quantities leading to more pronounced symptoms.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Frequently Asked Questions
Q: Is Oenanthe fistulosa safe for pets?
A: No, it is toxic to dogs and cats.
Q: Where does Oenanthe fistulosa grow best?
A: It thrives in wetlands and damp habitats.
Q: Does Oenanthe fistulosa attract wildlife?
A: Yes, it attracts bees, butterflies, and birds.
Quick Reference
| Family: | Apiaceae |
| Care: | moderate |
| Light: | partial shade to full sun |
| Water: | every 7–10 days during activ |
Get Expert Care Tips
Download the Plantious app for personalized care reminders and plant identification!
Google Play App Store
