Myrtle Dahoon Holly (Ilex myrtifolia)

Myrtle Dahoon Holly

Ilex myrtifolia

Glossy evergreen foliage shines year-round, a compact holly with delicate white blooms. Evergreen shrub; common name: Myrtle Dahoon Holly.

Partial sun
1–2/week
Moderate
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Plant Needs

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Sunlight Full sun to partial shade; tolerates coastal salt spray and brief periods of drought once established
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Watering Water deeply when the top 5 cm of soil is dry; avoid overwatering to prevent root rot
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Temperature Hardy to USDA zone 7; tolerates mild frost and summer heat, with optimal growth between 15–28°C
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Characteristics

  • Leaf: Small, oval to oblong, glossy dark green leaves with smooth margins, 1–3 cm long
  • Flower: Fragrant small white four-petaled blooms, clustered in leaf axils
  • Fruit: Bright red spherical drupes, 6–8 mm diameter, persisting into winter
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Horticulturist's Insider Field Notes (No AI Fluff)

The Golden 'Finger Test' Rule

Never water on a strict calendar. Stick your index finger 2 inches into the soil. If it feels cool and damp, wait 2–3 days. If bone dry, water thoroughly until it drains from the bottom holes.

Empty the Saucer After 20 Minutes

The #1 houseplant killer is water sitting in the catch tray. Stagnant runoff water starves roots of oxygen and causes root rot.

Turn the Pot Every 2 Weeks

Houseplants naturally lean toward the nearest window light. Give the pot a quarter-turn biweekly to maintain balanced, symmetrical architecture.

Wipe the Dust Away

Dust on leaves acts like a heavy sunshade. Gently wipe broad foliage with a damp cloth monthly to maximize photosynthesis and air purification.

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Care Guide

Watering

Keep soil evenly moist during active growth periods

Fertilization

Diluted acidic fertilizer applied once monthly. Avoid high-nitrogen fertilizers that reduce berry production

Composted coffee grounds tea:Use fully composted coffee grounds diluted 1:25 with water for root drench to maintain acidic soil pH; avoid raw grounds to prevent mold growth
Pruning
  • Trim to desired shape in late winter before new spring growth emerges
  • Remove dead, damaged, or overcrowded branches to improve airflow and light penetration
  • Thin stems to promote better berry production in the following season
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Pet & Human Toxicity & Emergency Guide

⚠️ Toxic to Pets (Cats & Dogs)

Toxicity Warning: Veterinary toxicology registers Myrtle Dahoon Holly (Ilex myrtifolia) as possessing biochemical compounds (such as insoluble oxalates, alkaloids, or saponins) that pose ingestion hazards to felines and canines.

Feline Ingestion Risks (Cats)

Oral pain, hypersalivation (excessive drooling), pawing at mouth, swelling of tongue or lips, vocalization, and vomiting.

Canine Ingestion Risks (Dogs)

Oral mucosal irritation, gagging, retching, lack of appetite, lethargy, diarrhea, and difficulty swallowing.

Immediate Emergency First-Aid

Do NOT induce vomiting without veterinary instructions! Carefully remove remaining plant pieces, gently rinse mouth with cool water, and monitor breathing.

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Chewed leaf or stem? Open PlantFun App to scan the plant, immediately verify the botanical species, and view ASPCA toxicity severity ratings & vet first-aid advice.

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Troubleshooting & Common Plant Problems

Quick diagnostic guide for common care issues affecting Myrtle Dahoon Holly (Ilex myrtifolia):

Yellowing Leaves

Most commonly caused by overwatering or poor drainage. Ensure topsoil dries out between waterings and check for root ventilation.

Brown or Crispy Leaf Tips

Low ambient humidity, hard tap water minerals, or direct midday sunburn. Increase humidity and use filtered water.

Drooping or Wilting Foliage

Indicates dehydration or root damage from prolonged waterlogging. Inspect soil moisture and root firmness.

Common Pests (Spider Mites, Aphids)

Dry indoor air encourages pests. Wipe leaves with a damp cloth and treat with insecticidal soap or neem oil.

🌿 Instant AI Plant Health Check

Take a photo of any leaf on PlantFun App to get instant diagnosis of diseases, pests, and custom care recovery steps.

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Propagation & Repotting Guide

  • Taking Cuttings: During active spring or summer growth, take a healthy 4–6 inch cutting just below a node using clean shears.
  • Rooting Medium: Place cuttings in fresh water or moist perlite mix in bright, indirect light; refresh water weekly.
  • Potting Up: Transplant into well-draining potting mix once roots reach 2 inches in length (typically 3–5 weeks).
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Seasonal Care Calendar

  • Spring & Summer (Active Growth): Water thoroughly as topsoil dries; apply diluted balanced fertilizer monthly; encourage steady growth.
  • Autumn (Transition): Gradually reduce watering frequency as daylight hours shorten; discontinue fertilization.
  • Winter (Dormancy): Water sparingly only when soil is mostly dry; protect from cold window drafts; keep in warm room.
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Frequently Asked Questions

How often should I water my Myrtle Dahoon Holly?

Water thoroughly when the top 1–2 inches of soil feel dry. In active growth (spring/summer), water every 1–2 weeks; reduce significantly in winter.

Where is the best indoor location for Myrtle Dahoon Holly?

Position in bright, filtered indirect light (e.g., near an east or south-facing window with sheer curtains). Avoid harsh direct midday sun.

Is Myrtle Dahoon Holly toxic to pets?

ASPCA: Toxic; contains saponins and methylxanthines that irritate the digestive tract

When should I repot my Myrtle Dahoon Holly?

Repot every 1–2 years in spring when roots outgrow the drainage holes or the soil depletes nutrients.

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Garden Uses & Culture

Culture: Symbolizes winter cheer and protection; red berries are commonly used in holiday floral arrangements

Usage: Hedge plant, coastal landscaping, and wildlife food source for birds that feed on winter berries

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