Eurasian Bur-reed
sparganium emersum
Also known as: ["Bur-reed","Eurasian Sparganium"]
Overview
A perennial aquatic plant with cylindrical, bur-like fruits and long, ribbon-like leaves, typically found in shallow, still or slow-moving waters.
Benefits & Perks
["wildlife attractant (bees, butterflies, birds)","drought tolerant","shade tolerant"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Liliopsida |
| Order: | Poales |
| Family: | Typhaceae |
| Genus: | Sparganium |
| Botanical Name: | Sparganium emersum |
Plant Characteristics
Basic Information
- Category: Herbs & Weeds
- Suitable Location: Shallow water garden or boggy area
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"5–25°C"}
- Hardiness: {"zones":"4–9"}
- Misting: Not required
- Drainage: Moderately well-draining but moisture-retentive.
- Soil Type: Rich, loamy soil with good organic matter content.
Maintenance Level
- Maintenance Level: moderate
- Toughness Level: moderate
- Pruning Frequency: As needed, typically in spring or after flowering.
- Pruning Intensity: Light to moderate, depending on plant condition and desired shape.
Care Details
Ideal Sunlight Coverage:
Full sun to partial shade (4–6 hours of direct sunlight daily).
Sunlight Tolerance Tips:
Acclimate plants gradually to direct sunlight to prevent scorching. Place in partial shade during intense midday sun, especially in hot climates. Outdoor placement is ideal, but ensure protection from harsh winds.
Care Requirements
Care Difficulty
moderatemoderate
Sunlight
Full sun to partial shade
Rotate plant for even light exposure; use sheer curtains to filter intense sunlight; avoid placing in dark corners.
Watering
Keep soil consistently moist, watering every 2–3 days during active growth
Keep soil evenly moist; avoid waterlogging; water deeply but infrequently to encourage deep roots.
Soil
Rich, loamy soil with good water retention
pH: Slightly acidic to neutral (pH 6.0–7.0).
Ensure soil is consistently moist; avoid compacted soil; enrich with organic matter annually.
Temperature
Prefers cool to moderate temperatures (60–75°F or 15–24°C). Tolerates cooler temperatures but may struggle in prolonged heat.
Monitor temperature fluctuations; adjust watering based on heat; protect from frost.
Fertilizing
Every 4–6 weeks during growing season with balanced aquatic plant fertilizer
Apply fertilizer to moist soil to prevent root burn; flush soil occasionally to prevent salt buildup; stop fertilizing in fall.
Propagation
Methods
Division of rhizomes or stem cuttings.
Step-by-Step Propagation Guide
- Divide rhizomes carefully.
- Prepare cuttings with 2–3 nodes.
- Place in moist medium.
- Maintain humidity.
Best Time: Early spring or late summer when the plant is actively growing.
Environment
Warm, humid conditions with indirect light and consistent moisture.
Medium
Moist, loamy soil or water with added rooting hormone.
Hormone
Recommended for stem cuttings to encourage root development.
Timeline
Rhizome division: immediate establishment; stem cuttings: roots in 2–4 weeks, full establishment in 2–3 months.
Tools Needed
Sharp knife, pruning shears, rooting hormone, pots, moist medium.
Quick Tips
Use clean tools to prevent disease; keep cuttings out of direct sun; maintain consistent moisture.
Pruning & Repotting
Pruning Guide
Method
Trim back dead stems; pinch tips to encourage branching; remove overcrowded growth.
Pruning Plan
Remove dead or damaged foliage to maintain plant health and appearance. Prune to control size and encourage bushier growth.
Tools
Pruning shears, sharp knife, gloves.
Checklist
Sterilize tools; prune dead or diseased parts; make clean cuts; dispose of clippings properly.
Repotting Guide
Best Season
Early spring before new growth begins.
Pot Size
Increase pot size by 1–2 inches in diameter.
Method
Remove plant gently; trim roots if necessary; repot in fresh, well-draining soil; water thoroughly.
Suggestions
Repot every 2–3 years or when the plant becomes root-bound. Necessary to refresh soil and provide space for growth.
Checklist
Choose appropriate pot; prepare fresh soil; handle roots carefully; water after repotting.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture before watering; water deeply; ensure proper drainage; adjust frequency with seasons.
How to Apply Water Properly
Water at the base of the plant, ensuring even moisture distribution. Water until the soil is saturated but excess water drains away. Water early in the morning to minimize evaporation and fungal issues.
Watering Schedule Tips
Water regularly to maintain consistently moist soil, especially during active growth periods. Reduce watering slightly in winter but ensure soil does not dry out completely.
Soil Improvement
Add compost or peat moss to enhance moisture retention; incorporate perlite for aeration.
Temperature Stress Management
Signs of Temperature Issues
Wilting, yellowing leaves, stunted growth, or leaf drop in extreme heat or cold.
Cold Stress
Low temperatures can slow growth and cause leaf discoloration or dieback, especially if combined with wet soil.
Solution: Provide winter protection with mulch; move potted plants to a sheltered location; avoid overwatering in cold conditions.
Hot Stress
Excessive heat can lead to wilting, leaf scorch, and reduced vigor, even with adequate water.
Solution: Increase watering frequency; provide shade during peak heat; improve air circulation around the plant.
Fertilizing Guide
Fertilizing Checklist
Use diluted fertilizer; apply during growing season; avoid winter feeding; flush soil periodically.
Fertilizing Method
Use a balanced, water-soluble fertilizer diluted to half strength every 4–6 weeks during the growing season. Avoid fertilizing in winter.
Common Problems & Solutions
Toxicity Warning
Cats
Non-toxicSparganium emersum is not considered toxic to cats. There are no known toxic effects associated with ingestion by felines.
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Dogs
Non-toxicSparganium emersum is not known to be toxic to dogs. No adverse effects have been reported following ingestion by canines.
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Humans
Non-toxicSparganium emersum is generally considered non-toxic to humans. There are no documented cases of toxicity associated with ingestion of this plant.
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Frequently Asked Questions
Q: Is Sparganium emersum suitable for aquariums?
A: It is more suited to ponds or natural water bodies rather than closed aquarium systems.
Q: Does this plant require full sun?
A: It tolerates partial shade but thrives best in full sun to partial shade conditions.
Q: How does Sparganium emersum propagate?
A: It spreads through rhizomes and can also reproduce via seeds.
Quick Reference
| Family: | Typhaceae |
| Care: | moderate |
| Light: | Full sun to partial shade |
| Water: | Keep soil consistently moist, |
Get Expert Care Tips
Download the Plantious app for personalized care reminders and plant identification!
Google Play App Store
