Mattmark Dandelion (Taraxacum mattmarkense)

Mattmark Dandelion

Taraxacum mattmarkense

It thrives in high-altitude rock crevices, bearing delicate yellow blooms like tiny suns. Alpine perennial herb; common name: Mattmark dandelion.

Full sun
1–2/week
Moderate
🌱

Plant Needs

☀️
Sunlight Requires full sun exposure; tolerant of high-altitude UV radiation
💧
Watering Keep soil slightly moist during growing season; drought-tolerant once established
🌡️
Temperature Adapted to cool alpine climates; tolerates light spring and autumn frosts
🔍

Characteristics

  • Leaf: Narrow linear to spatulate basal leaves with shallow, rounded lobes
  • Flower: Solitary composite yellow flower heads, 1–2 cm in diameter
  • Stem: Slender, hairless scapes supporting single flower heads
🛠️

Care Guide

Watering

Maintain slightly moist soil during active growth

Fertilization

Light diluted feed once every 2 months. Use low-nitrogen, phosphorus-balanced diluted feed to avoid excessive foliage growth

Eggshell powder topdressing:Crush dried eggshells into fine powder; mix into topsoil to improve drainage and add calcium
Pruning
  • Deadhead spent flower heads to prevent unwanted self-seeding
  • Remove yellowing or damaged basal leaves to maintain rosette health
  • Avoid heavy pruning; only trim damaged foliage to preserve plant form
⚠️

Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats; no known adverse effects from ingestion

Humans: Non-toxic to humans; leaves and roots are edible in moderation

📖

Garden Uses & Culture

Culture: N/A

Usage: Alpine rock garden ornamental; edible leaves for salads in moderation