Canadian Mayflower (Maianthemum canadense)

Canadian Mayflower

Maianthemum canadense

Delicate white blooms carpet woodland floors, a quiet spring treasure. Low-growing perennial wildflower; common name: Canadian Mayflower.

Low light
1–2/week
Beginner
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Plant Needs

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Sunlight Dappled to full shade; suitable for woodland understories or shaded indoor locations, avoid direct midday sun.
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Watering Keep soil consistently moist but not waterlogged; allow top 1–2 cm of soil to dry slightly between waterings in cooler months.
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Temperature Hardy to extreme cold; withstands winter frost in temperate to boreal regions, tolerates cool summer temperatures.
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Characteristics

  • Leaf: Two to three glossy, oval to lance-shaped basal leaves with smooth margins.
  • Flower: Tiny, star-shaped white blooms in terminal racemes, lightly fragrant.
  • Fruit: Bright red, round ornamental berries in late summer to fall.
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Care Guide

Watering

Maintain consistent soil moisture to support blooming and foliage growth

Fertilization

Apply diluted organic feed once monthly to support new growth. Use low-nitrogen, phosphorus-rich feed to promote flowering and berry development.

Composted banana peel tea:Steep fully composted banana peels in water for 24 hours; dilute 1:20 with water before applying as a root drench to prevent nutrient burn and avoid odor.
Pruning
  • Remove spent flower stems after blooming to maintain a tidy appearance and redirect energy to root growth.
  • Thin overcrowded rhizomatous clumps in early spring to improve air circulation and reduce competition for nutrients.
  • Trim yellowing or damaged foliage in late fall to prepare the plant for winter dormancy.
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA confirmed non-toxic to cats; no reported harmful effects from ingestion.

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

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Garden Uses & Culture

Culture: N/A

Usage: Shaded ground cover; ornamental berries provide food for native birds and small wildlife.