Uluhe fern
dicranopteris linearis
Also known as: ["Hawaiian holly","scaly-gleichenia"]
Overview
A fast-growing, evergreen fern with distinctive bipinnate fronds and a creeping rhizome, native to tropical and subtropical regions.
Benefits & Perks
["fast growing","shade tolerant","wildlife attractant (bees, butterflies, birds)"]
Botanical Classification
| Phylum: | Tracheophyta |
| Class: | Polypodiopsida |
| Order: | Gleicheniales |
| Family: | Gleicheniaceae |
| Genus: | Dicranopteris |
| Botanical Name: | Dicranopteris linearis |
Plant Characteristics
Basic Information
- Category: Leaf Plants
- Suitable Location: shaded garden bed or as a groundcover under trees
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"15–30°C"}
- Hardiness: {"zones":"9–11"}
- Misting: every 2–3 days to maintain moderate humidity
- Drainage: Fast-draining to prevent waterlogging.
- Soil Type: Well-draining, slightly acidic soil with organic matter.
Maintenance Level
- Maintenance Level: low
- Toughness Level: high
- Pruning Frequency: As needed, typically every 1–2 months or after flowering.
- Pruning Intensity: Light to moderate; remove only damaged or overgrown fronds.
Care Details
Ideal Sunlight Coverage:
Bright indirect light for 6–8 hours daily; adjust to morning sun in winter and dappled shade in summer.
Sunlight Tolerance Tips:
Gradually acclimate to brighter light to prevent scorching; place in filtered sunlight outdoors; shield from intense midday sun indoors.
Care Requirements
Care Difficulty
easymoderate
Sunlight
partial shade to dappled light
Rotate plant weekly for even growth; use sheer curtains to filter direct sun; avoid south-facing windows in summer.
Watering
every 7–10 days, allowing soil to dry slightly between waterings
Water deeply to encourage root growth; allow soil to dry between waterings; avoid overwatering.
Soil
well-draining, humus-rich soil with some sand
pH: 5.5–6.5 (slightly acidic).
Ensure pots have drainage holes; avoid heavy clay soils; top-dress with organic matter annually.
Temperature
Prefers 60–75°F (15–24°C); tolerates 50–85°F (10–29°C); prefers stable temperatures year-round.
Avoid sudden temperature changes; keep away from vents; maintain consistent room temperature.
Fertilizing
every 4–6 weeks during growing season with balanced liquid fertilizer
Dilute fertilizer to prevent burn; fertilize only when actively growing; flush soil occasionally to prevent salt buildup.
Propagation
Methods
Stem cuttings or division of rhizomes.
Step-by-Step Propagation Guide
- Take cuttings, apply hormone, plant in medium, maintain humidity, wait for roots.
Best Time: Spring or early summer when the plant is actively growing.
Environment
High humidity (70–90%), warm temperatures (70–75°F), indirect light.
Medium
Well-draining mix of peat, perlite, and sand.
Hormone
Optional but recommended for faster rooting.
Timeline
Roots in 3–6 weeks; new growth in 2–4 months.
Tools Needed
Pruners, rooting hormone, pots, humidity dome, misting spray bottle.
Quick Tips
Use healthy stems, keep medium moist, provide bottom heat if possible, avoid direct sun.
Pruning & Repotting
Pruning Guide
Method
Cut fronds at the base with clean, sharp tools; avoid cutting into healthy growth.
Pruning Plan
Remove dead or yellowing fronds to maintain appearance and encourage new growth.
Tools
Pruning shears, sterilized scissors, gloves.
Checklist
Identify dead/damaged fronds, sterilize tools, cut cleanly, dispose of clippings, clean up debris.
Repotting Guide
Best Season
Spring, before the active growing season begins.
Pot Size
One size larger pot; ensure it has drainage holes.
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 refresh.
Checklist
Choose new pot, prepare soil, inspect roots, position plant, water lightly, place in shade temporarily.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture, water thoroughly, ensure drainage, avoid foliage wetting
How to Apply Water Properly
Water at the base of the plant, ensuring even moisture distribution; water until it drains from the bottom; avoid wetting foliage to prevent fungal issues.
Watering Schedule Tips
Water thoroughly when the top 1–2 inches of soil are dry; reduce frequency in winter to prevent root rot.
Soil Improvement
Add perlite or sand for drainage; incorporate peat moss for acidity; use compost for fertility.
Temperature Stress Management
Signs of Temperature Issues
Yellowing leaves (cold stress), wilting or browning leaf tips (heat stress), stunted growth.
Cold Stress
Slows growth, causes leaf discoloration, and may lead to root damage in prolonged cold.
Solution: Move to a warmer location, insulate pots, avoid cold drafts, and reduce watering.
Hot Stress
Leaves may scorch, wilt, or drop; growth may slow due to excessive transpiration.
Solution: Provide shade, increase humidity, water more frequently, and ensure good air circulation.
Fertilizing Guide
Fertilizing Checklist
Check growth phase, dilute fertilizer, apply to soil, avoid foliage contact, flush periodically
Fertilizing Method
Use balanced liquid fertilizer diluted to half strength every 4–6 weeks during growing season (spring/summer); cease in fall/winter.
Common Problems & Solutions
Toxicity Warning
Cats
Non-toxicDicranopteris linearis is not toxic to cats. There are no known adverse effects on feline health from ingestion or contact with this plant.
⚡ Toxic If:
if eaten
Dogs
Non-toxicDicranopteris linearis is not toxic to dogs. There are no known adverse effects on canine health from ingestion or contact with this plant.
⚡ Toxic If:
if eaten
Humans
Non-toxicDicranopteris linearis, commonly known as Old World climbing fern, 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: Is Dicranopteris linearis toxic to pets?
A: No, it is non-toxic to dogs and cats.
Q: Does this fern require a lot of maintenance?
A: No, it is low maintenance and quite tough.
Q: Where is the best place to grow Dicranopteris linearis?
A: It thrives in shaded areas and is ideal for outdoor landscaping.
Quick Reference
| Family: | Gleicheniaceae |
| Care: | easy |
| Light: | partial shade to dappled light |
| Water: | every 7–10 days, allowing so |
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