Orange Mullein (Verbascum phlomoides)

Orange Mullein

Verbascum phlomoides

Tall spires of golden blooms cut a bold figure in meadows. Biennial herbaceous flowering plant; common name: Orange Mullein.

Full sun
1/week
Beginner
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Plant Needs

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Sunlight Full sun exposure for optimal flowering; tolerates partial shade with reduced bloom production
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Watering Drought-tolerant; water deeply only when the top 5–7 cm of soil is completely dry
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Temperature Hardy to -15°C; withstands hot summer temperatures with well-drained soil
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Characteristics

  • Leaf: Basal rosette of fuzzy, lanceolate leaves; stem leaves smaller and clasping
  • Flower: Dense spikes of bright orange-yellow, five-petaled blooms
  • Stem: Tall, erect, woolly-haired flowering stalk
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Care Guide

Watering

Water occasionally during prolonged dry spells to support flowering

Fertilization

Apply a balanced diluted feed once at the start of active growth. Use low-nitrogen fertilizer to promote compact growth and abundant blooms

Eggshell powder topdressing:Crush dried eggshells into fine powder; sprinkle lightly around the base of plants in early spring to boost soil calcium levels
Pruning
  • Deadhead spent blooms to encourage secondary flowering and prevent excessive self-sowing
  • Cut back flowering stalks to ground level after seed set to tidy the planting area
  • Remove damaged or yellowing basal leaves in early spring to improve airflow
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats; no reported toxic reactions

Humans: Non-toxic to humans; no known adverse effects from ingestion or contact

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental wildflower; attracts pollinators including bees and butterflies