Giant Chain Fern
woodwardia radicans
Also known as: ["Chain Fern","Giant Chain Fern"]
Overview
A large, deciduous fern with distinctive chain-like patterns on the undersides of its fronds.
Benefits & Perks
["shade tolerant","wildlife attractant (bees, butterflies, birds)","aesthetic foliage"]
Botanical Classification
| Phylum: | Tracheophyta |
| Class: | Polypodiopsida |
| Order: | Polypodiales |
| Family: | Dryopteridaceae |
| Genus: | Woodwardia |
| Botanical Name: | Woodwardia radicans |
Plant Characteristics
Basic Information
- Category: Leaf Plants
- Suitable Location: shady garden bed or container in a protected area
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"5–25°C"}
- Hardiness: {"zones":"8–10"}
- Misting: every 2–3 days to maintain humidity, especially in dry environments
- Drainage: Well-draining to prevent waterlogging.
- Soil Type: Rich, well-draining potting mix with organic matter like peat or compost.
Maintenance Level
- Maintenance Level: moderate
- Toughness Level: moderate
- Pruning Frequency: As needed, typically in late winter or early spring before new growth emerges.
- Pruning Intensity: Light to moderate; avoid removing more than one-third of the plant at a time.
Care Details
Ideal Sunlight Coverage:
Bright indirect light for 4–6 hours daily; tolerates partial shade, especially in warmer months.
Sunlight Tolerance Tips:
Acclimate slowly to brighter light to avoid scorching; protect from direct afternoon sun; adjust placement based on seasonal light intensity.
Care Requirements
Care Difficulty
moderatemoderate
Sunlight
partial shade to full shade
Rotate plant monthly for even growth; use sheer curtains to filter intense light; avoid direct sun exposure.
Watering
every 7–10 days, allowing soil to dry slightly between waterings
Water thoroughly until it drains from the bottom; allow soil to dry slightly between waterings; avoid letting the plant sit in water.
Soil
moist, well-draining, humus-rich soil
pH: Slightly acidic to neutral (pH 5.5–7.0).
Use a mix with good water retention but no standing water; avoid heavy clay soils; amend with organic matter.
Temperature
Prefers 60–75°F (15–24°C); cooler temperatures (down to 50°F or 10°C) are acceptable in winter.
Avoid placing near drafty windows or heating vents; maintain stable temperatures; protect from extreme fluctuations.
Fertilizing
every 2 months during growing season (spring and summer)
Dilute fertilizer to prevent burn; fertilize during active growth; flush soil occasionally to prevent salt buildup.
Propagation
Methods
Spores or rhizome division; spore propagation is more common for home growers.
Step-by-Step Propagation Guide
- Collect spores.
- Scatter on sterile medium.
- Keep moist and warm.
- Or divide rhizome.
- Plant in new pot.
- Water well.
Best Time: Spring or early summer when the plant is actively growing.
Environment
High humidity (70–90%); warm temperatures (65–75°F or 18–24°C); indirect light.
Medium
Sphagnum moss or sterile seed-starting mix with good drainage.
Hormone
Not required for spores; rooting hormone may aid rhizome cuttings.
Timeline
Spores may take 1–2 years to develop into mature plants; rhizome division can establish in 1–3 months.
Tools Needed
Spore collection kit, sterile knife, pots, humidity dome, watering can.
Quick Tips
Use a fine sieve for spore distribution; maintain consistent moisture; label new plants for tracking.
Pruning & Repotting
Pruning Guide
Method
Cut fronds at the base; trim ragged edges for neatness; remove yellowing or dead growth.
Pruning Plan
Remove dead or damaged fronds to maintain appearance and health; occasional shaping to control size.
Tools
Pruning shears, sharp scissors, gloves.
Checklist
Sanitize tools; cut cleanly; remove debris; dispose of pruned material properly.
Repotting Guide
Best Season
Early spring before the growing season begins.
Pot Size
Choose a pot one size larger (1–2 inches wider) than the current one.
Method
Remove plant gently; trim roots if necessary; place in new pot with fresh soil; water thoroughly.
Suggestions
Repot every 2–3 years or when roots fill the pot; beneficial for growth and soil refreshment.
Checklist
Prepare new pot; trim roots if needed; use fresh soil mix; water after repotting; place in appropriate light.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture; water thoroughly; ensure proper drainage; adjust for season.
How to Apply Water Properly
Water directly at the root zone, ensuring even moisture distribution; water until water drains from the pot’s bottom; avoid wetting the foliage to prevent fungal issues.
Watering Schedule Tips
Water deeply once the top inch of soil feels dry; reduce frequency in winter to prevent root rot.
Soil Improvement
Add perlite or coarse sand for drainage; incorporate compost for fertility; ensure aeration with chunky materials.
Temperature Stress Management
Signs of Temperature Issues
Yellowing or browning leaf tips; stunted growth; wilting despite adequate water.
Cold Stress
Slows growth; may cause leaf discoloration or dieback in prolonged cold; vulnerable to frost damage.
Solution: Move to a warmer location; protect from drafts; use a space heater if necessary; avoid sudden temperature drops.
Hot Stress
Leaf scorch; wilting; reduced vigor; increased water demand.
Solution: Provide shade during peak heat; increase humidity; water more frequently; ensure good air circulation.
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 growing season (spring to early fall); avoid fertilizing in winter.
Common Problems & Solutions
Toxicity Warning
Cats
Non-toxicWoodwardia radicans is not considered toxic to cats. There are no known toxic effects or physiological impacts associated with ingestion or contact.
⚡ Toxic If:
if eaten
Dogs
Non-toxicWoodwardia radicans is not considered toxic to dogs. There are no known toxic effects or physiological impacts associated with ingestion or contact.
⚡ Toxic If:
if eaten
Humans
Non-toxicWoodwardia radicans is not considered toxic to humans. There are no known toxic effects or physiological impacts associated with ingestion or contact.
⚡ Toxic If:
if eaten
Frequently Asked Questions
Q: How tall does Woodwardia radicans grow?
A: It can grow up to 2 meters (6.5 feet) tall.
Q: Does this fern require full sun?
A: No, it prefers partial to full shade.
Q: Is Woodwardia radicans suitable for indoor cultivation?
A: It is best suited for outdoor cultivation due to its size and light requirements.
Quick Reference
| Family: | Dryopteridaceae |
| Care: | moderate |
| Light: | partial shade to full shade |
| Water: | every 7–10 days, allowing so |
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