Giant Water Seed
elatine macropoda
Also known as: ["Giant Water Seed","Water Elatine"]
Overview
A small, aquatic or semi-aquatic herbaceous plant with tiny, star-shaped flowers and small, fleshy leaves.
Benefits & Perks
["wildlife attractant (bees, butterflies, birds)","aesthetic foliage"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Malpighiales |
| Family: | Elatinaceae |
| Genus: | Elatine |
| Botanical Name: | Elatine macropoda |
Plant Characteristics
Basic Information
- Category: Herbs & Weeds
- Suitable Location: bog garden or shallow water garden
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"10–30°C"}
- Hardiness: {"zones":"8–11"}
- Misting: rarely required, only if ambient humidity is very low
- Drainage: Fast-draining to prevent waterlogging.
- Soil Type: Well-draining, slightly acidic soil with good organic matter content.
Maintenance Level
- Maintenance Level: moderate
- Toughness Level: moderate
- Pruning Frequency: Light pruning can be done as needed; a more thorough prune every 6–12 months.
- Pruning Intensity: Light to moderate, depending on the plant's condition and desired shape.
Care Details
Ideal Sunlight Coverage:
Bright indirect light for 6–8 hours daily. Can tolerate partial shade, especially in hot climates.
Sunlight Tolerance Tips:
Acclimate gradually to intense light to avoid scorching. Place in a spot with filtered light or dappled shade, especially during peak summer hours. Indoors, position near an east or north-facing window.
Care Requirements
Care Difficulty
moderatemoderate
Sunlight
partial shade to full shade
Avoid direct afternoon sun; rotate plant for even light exposure; use sheer curtains to filter intense light.
Watering
every 7–10 days, allowing soil to dry slightly between waterings
Water thoroughly until it drains from the bottom; ensure good drainage to prevent waterlogging; adjust frequency based on season and growth stage.
Soil
moist, sandy loam with high organic content
pH: Prefers slightly acidic soil, pH 5.5–6.5.
Ensure good drainage; use slightly acidic soil; avoid heavy clay mixes.
Temperature
Prefers moderate temperatures between 65–75°F (18–24°C). Can tolerate slightly cooler temperatures but avoid prolonged exposure below 50°F (10°C).
Avoid sudden temperature fluctuations; protect from cold drafts; maintain consistent indoor temperatures.
Fertilizing
every 4–6 weeks during growing season with liquid fertilizer diluted to half strength
Dilute fertilizer to prevent burn; fertilize during active growth; flush soil occasionally to prevent salt buildup.
Propagation
Methods
Stem cuttings are the most reliable method.
Step-by-Step Propagation Guide
- Take a 4–6 inch cutting just below a node.
- Remove lower leaves.
- Dip in rooting hormone (optional).
- Plant in moist propagation medium.
- Maintain high humidity.
Best Time: Spring or early summer when the plant is actively growing.
Environment
High humidity (70–90%), warm temperatures (70–75°F or 21–24°C), and indirect light.
Medium
A mix of peat and perlite or a standard potting mix with good drainage.
Hormone
Optional but recommended for faster rooting.
Timeline
Roots typically form in 2–4 weeks; new growth may take an additional 4–6 weeks.
Tools Needed
Pruning shears, rooting hormone, small pots, humidity dome or plastic bag.
Quick Tips
Use sharp, sterile tools; maintain consistent moisture; provide bottom heat for faster rooting.
Pruning & Repotting
Pruning Guide
Method
Pinch back tips to encourage branching; trim leggy stems to promote fuller growth.
Pruning Plan
Prune to maintain shape, encourage bushier growth, and remove any dead or diseased parts.
Tools
Sharp, clean pruning shears or scissors.
Checklist
Use clean tools; prune dead or damaged growth; shape as desired; dispose of clippings properly.
Repotting Guide
Best Season
Spring, before the active growing season begins.
Pot Size
Choose a pot one size larger than the current one, with a diameter 1–2 inches wider.
Method
Gently remove the plant from its pot; trim any circling roots; place in a new pot with fresh soil; water thoroughly after repotting.
Suggestions
Repot every 1–2 years or when the plant becomes root-bound.
Checklist
Select appropriate pot size; prepare fresh soil mix; handle roots carefully; water after repotting; place in appropriate light.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture before watering; water thoroughly; ensure drainage; adjust for season.
How to Apply Water Properly
Water directly at the root zone, ensuring even moisture distribution. Water deeply to encourage root growth, and always allow excess water to drain away. Water in the morning to minimize evaporation and fungal issues.
Watering Schedule Tips
Water regularly during active growth (spring/summer), allowing the top inch of soil to dry between waterings. Reduce frequency in winter to prevent root rot.
Soil Improvement
Add perlite or coarse sand to improve drainage; incorporate compost for organic matter.
Temperature Stress Management
Signs of Temperature Issues
Yellowing leaves, stunted growth, or leaf drop in extreme cold; wilting or leaf scorch in excessive heat.
Cold Stress
Low temperatures slow growth and can cause root damage, leading to wilting and eventual decline.
Solution: Move the plant to a warmer location; protect from drafts; use a heat mat if necessary during winter.
Hot Stress
Excessive heat can cause leaf scorch, wilting, and dehydration, even with adequate watering.
Solution: Provide shade during peak heat; increase humidity with misting or a humidifier; ensure consistent watering.
Fertilizing Guide
Fertilizing Checklist
Use diluted fertilizer; apply during growing season; avoid winter feeding; flush soil periodically.
Fertilizing Method
Use a balanced liquid fertilizer diluted to half strength every 4–6 weeks during the growing season (spring/summer). Avoid fertilizing in winter.
Common Problems & Solutions
Toxicity Warning
Cats
Non-toxicElatine macropoda is not known to be toxic to cats. There are no reported adverse effects from ingestion of this plant by felines.
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Dogs
Non-toxicElatine macropoda is not known to be toxic to dogs. There are no reported adverse effects from ingestion of this plant by canines.
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Humans
Non-toxicElatine macropoda is not known to exhibit toxic properties to humans. It is generally considered safe for consumption in small quantities, though it is not commonly used as a food source.
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Frequently Asked Questions
Q: Is Elatine macropoda suitable for aquariums?
A: Yes, it can be grown in aquariums or as a marginal plant in ponds.
Q: Does Elatine macropoda require full sun?
A: It prefers partial to full sun but can tolerate some shade.
Q: How often should I water Elatine macropoda?
A: It thrives in consistently moist or submerged conditions, so regular watering or submersion is necessary.
Quick Reference
| Family: | Elatinaceae |
| Care: | moderate |
| Light: | partial shade to full shade |
| Water: | every 7–10 days, allowing so |
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