Dwarf Hairgrass

eleocharis parvula

Also known as: ["Dwarf Spikerush","Small Spikerush"]

Family: Cyperaceae Genus: Eleocharis Category: Leaf Plants

Overview

A small, grass-like aquatic plant forming dense carpets in aquariums and ponds.

Benefits & Perks

["low maintenance","aesthetic foliage","drought tolerant"]

Botanical Classification

Phylum: Magnoliophyta
Class: Liliopsida
Order: Poales
Family: Cyperaceae
Genus: Eleocharis
Botanical Name: Eleocharis parvula

Plant Characteristics

Basic Information
  • Category: Leaf Plants
  • Suitable Location: Aquariums, paludariums, or water gardens with shallow water
  • Suitable For:
    Beginners Indoor Plant Lovers Aquarium Hobbyists
  • Is Weed: No
  • Allergenicity: low
Environmental Needs
  • Climate: {"temperatureRange":"10–30°C"}
  • Hardiness: {"zones":"6–11"}
  • Misting: Not required, as this species thrives in submerged or saturated conditions
  • Drainage: Fast-draining.
  • Soil Type: Well-draining, sandy loam with organic matter.
Maintenance Level
  • Maintenance Level: moderate
  • Toughness Level: moderate
  • Pruning Frequency: As needed, typically every few months or when debris accumulates.
  • Pruning Intensity: Light pruning.
Care Details

Ideal Sunlight Coverage:
Bright indirect light for 6–8 hours daily. Can tolerate lower light but may grow more slowly.

Sunlight Tolerance Tips:
Acclimate gradually to intense light; protect from direct sun to prevent scorching; adjust placement based on indoor/outdoor conditions.

Warning Signs: Yellowing or browning leaves, root rot, or stunted growth indicate poor soil or site conditions.

Care Requirements

Care Difficulty
easy

easy

Sunlight

Full sun to partial shade

Rotate plant weekly for even growth; use sheer curtains to filter direct sunlight; avoid dark corners.

Watering

Keep substrate consistently moist, watering every 2–3 days or as needed to maintain saturation

Keep soil consistently moist; avoid waterlogging; adjust frequency with seasons.

Soil

Aquatic substrate or fine-grained, nutrient-poor soil mix

pH: Slightly acidic to neutral (pH 6.0–7.0).

Ensure soil doesn’t stay waterlogged; use a mix with good aeration; avoid heavy clay soils.

Temperature

Prefers temperatures between 65–80°F (18–27°C). Tolerates slight fluctuations but avoids extremes.

Avoid sudden temperature changes; maintain stable conditions; monitor for stress signs.

Fertilizing

Every 4–6 weeks during active growth with liquid fertilizer diluted to half strength

Dilute fertilizer to prevent burn; fertilize during active growth; flush soil occasionally to prevent buildup.

Propagation

Methods

Division or rhizome cuttings.

Step-by-Step Propagation Guide
  1. Separate rhizomes.
  2. Plant in moist medium.
  3. Maintain humidity.
  4. Provide indirect light.

Best Time: Spring or early summer when the plant is actively growing.

Environment

Warm, humid environment with indirect light.

Medium

Sphagnum moss or a mix of peat and perlite.

Hormone

Not typically required for rhizome division.

Timeline

Roots may develop within 2–4 weeks; new growth in 1–2 months.

Tools Needed

Sharp knife, clean pots, sphagnum moss.

Quick Tips

Ensure rhizomes have buds; keep medium consistently moist; avoid direct sun during rooting.

Pruning & Repotting

Pruning Guide
Method

Trim dead or damaged stems at the base; remove yellowing leaves.

Pruning Plan

Minimal pruning needed; focus on removing dead or yellowing foliage to maintain appearance.

Tools

Clean scissors or small pruning shears.

Checklist

Sanitize tools; remove dead growth; avoid over-pruning.

Repotting Guide
Best Season

Spring, before the active growing season begins.

Pot Size

Move to a pot one size larger, ensuring it’s not excessively large.

Method

Use fresh, well-draining soil; gently tease out roots if compacted; ensure proper drainage.

Suggestions

Repot every 2–3 years or when the plant becomes root-bound.

Checklist

Choose appropriate pot size; prepare fresh soil; handle roots gently; water after repotting.

Advanced Care Tips

Watering Mastery
Watering Checklist

Check soil moisture daily; water when top inch feels dry; ensure proper drainage.

How to Apply Water Properly

Water thoroughly until it drains from the bottom, ensuring even moisture distribution. Water early in the day to allow foliage to dry. Avoid wetting the foliage directly to prevent fungal issues.

Pro Tip: Use a watering can with a fine nozzle to avoid disturbing the delicate root system.
Watering Schedule Tips

Water regularly to maintain consistently moist soil, especially during active growth periods. Reduce frequency in winter but do not allow the soil to dry out completely.

Soil Improvement

Add perlite or sand to improve drainage; incorporate compost for fertility.

Temperature Stress Management
Signs of Temperature Issues

Wilting, yellowing leaves, or stunted growth indicate temperature stress.

Cold Stress

Low temperatures slow growth and may cause root damage or dormancy.

Solution: Move to a warmer location; insulate pots; avoid placing near drafty windows or cold surfaces.

Hot Stress

Excessive heat can lead to dehydration, leaf scorch, or wilting.

Solution: Provide shade during peak heat; increase humidity; ensure adequate watering.

Fertilizing Guide
Fertilizing Checklist

Use diluted fertilizer; apply during growing season; avoid winter feeding.

Fertilizing Method

Use a balanced liquid fertilizer diluted to half strength every 4–6 weeks during growing season. Avoid fertilizing in winter.

Common Problems & Solutions

Yellowing leaves in Eleocharis parvula may indicate nutrient deficiencies, overwatering, or pest infestations, affecting photosynthesis and overall plant health.

Wilting in Eleocharis parvula is often a sign of water stress, either due to underwatering or root issues, which can lead to reduced nutrient uptake and plant vitality.

Leaf spots on Eleocharis parvula are typically caused by fungal or bacterial infections, which can impair photosynthesis and weaken the plant structure.

Rotting, particularly root rot, can occur in Eleocharis parvula if the soil is waterlogged, leading to decay of root systems and eventual plant death.

Toxicity Warning

Cats
Non-toxic

Eleocharis parvula is not known to be toxic to cats. There are no reported cases of toxicity in felines from ingestion of this plant.

🌿 Toxic Parts:
all parts
⚡ Toxic If:

if eaten

No special precautions are needed for cats around this plant.
Dogs
Non-toxic

Eleocharis parvula is not known to be toxic to dogs. There are no reported cases of toxicity in canines from ingestion of this plant.

🌿 Toxic Parts:
all parts
⚡ Toxic If:

if eaten

No special precautions are needed for dogs around this plant.
Humans
Non-toxic

Eleocharis parvula is not known to produce any toxic compounds and is generally considered safe for human consumption in small quantities. However, it is not typically consumed as a food source.

🌿 Toxic Parts:
all parts
⚡ Toxic If:

if eaten

While non-toxic, it is not recommended for human consumption as it is not a food crop.

Frequently Asked Questions

Q: How do I plant Eleocharis parvula?

A: Plant by scattering seeds or rhizomes over a substrate in an aquarium or pond.

Q: Does it require special lighting?

A: It thrives in moderate to high lighting conditions.

Q: Is it suitable for beginners?

A: Yes, it is relatively easy to care for and ideal for beginners.

Quick Reference
Family: Cyperaceae
Care: easy
Light: Full sun to partial shade
Water: Keep substrate consistently mo
Suitable For: ["beginners","indoor plant lovers","aquarium hobbyists"]
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