Does it need full sun?

No, it prefers partial to full shade.

Will it grow in dry soil?

It prefers consistently moist soil and will struggle in dry conditions.

Plant guide

Canada mayflower.

Maianthemum canadense

Pronounced my-AN-the-mum kan-a-DEN-see

Also known as Canada Mayflower, Canada beadruby, Canadian May lily, Canadian May-lily, Canadian Mayflower, False Lily-of-the-valley, Two-leaf-solomon's-seal, Western Canada Mayflower

This charming native perennial forms lovely carpets in cool, shaded woodland settings. It produces delicate spikes of tiny white flowers in late spring. You will love how it spreads slowly to fill in empty spots under your trees.

At a glance

Care level: Easy
Plant type: Perennial
Light: Full shade to partial shade
Indoor light: Low light
Water: Every 3 to 7 days
Mature size: 6 inches
Growth rate: Slow
Hardiness: USDA 3 to 7
Bloom time: Late spring to early summer

Care

Keep the soil consistently moist to mimic its natural woodland habitat. Watch for wilting leaves, which signal that the plant needs more water or protection from drying winds. It thrives best when left undisturbed in a shady, cool corner of your garden.

Watering: Keep the soil evenly damp but not soggy.
Feeding: A light layer of organic compost in spring is plenty.
Pruning: Simply clear away dead foliage in late winter.
Repotting: Only repot if the colony becomes too crowded for its container.
Soil: Humus rich, acidic, moist soil
Soil pH: Acidic
Temperature: -35 to 25°C
Humidity: 50 to 80%
Drought tolerance: Low
Lifespan: Perennial, long lived in suitable conditions.
Fragrance: Light
Deer and rabbits: Moderate

Signs it needs repotting

Roots circling the bottom of the pot
Stunted growth

Safety

People: The plant is generally considered low in toxicity, though ingestion of large amounts of berries may cause mild gastrointestinal distress.
Children: The small red berries might look tempting to children, so it is best to supervise them in areas where this plant grows.
Contact allergens: There are no significant skin irritation risks associated with this plant.
Airborne allergens: The pollen is not considered a significant airborne allergen.
Edibility: The berries are technically edible but are often considered bland and can cause stomach upset if consumed in large quantities.

How to identify it

Heart shaped leaves with parallel veins
Small clusters of white star flowers
Low growing habit in forest floors
Produces small red berries in autumn

Height: 0.1 to 0.2m
Spread: 0.15 to 0.3m
Leaves: green, deciduous
Flowers: white, 0.5 to 1cm
Fruit: red, Late summer

Problems to watch for

Slugs and SnailsCommon
DehydrationUncommon
Leaf SpotUncommon
Root RotUncommon

By symptom

Plant problems by symptom

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Growing it

Propagation: division, seed
When to plant: spring, autumn
Overwintering: The foliage will die back completely in winter, so no special protection is needed for the dormant rhizomes.
In containers: It is not well suited for containers as it prefers the stable moisture and cool soil temperatures of the forest floor.

Division

1. Carefully dig up a clump in early spring.
2. Gently pull the rhizomes apart.
3. Replant immediately in moist, shady soil.

Plant this in groups under deciduous trees to mimic its natural woodland environment.

Grows well with

Trillium · They share similar woodland habitat requirements.
Wild Ginger · It makes an excellent companion for groundcover layering.

Similar species

False Solomon's Seal · It is a larger relative with a similar growth habit.

Science

Family: Asparagaceae
Genus: Maianthemum
Order: Asparagales
Class: Liliopsida
Native range: Northern and eastern North America.
Conservation: This species is widespread and not currently of conservation concern.

It thrives in the understory of deciduous and coniferous forests where it utilizes the light before the canopy fully closes.

Value to wildlife: nectar source, provides food for birds
Pollinators: bees, beetles
Uses: groundcover, woodland garden plant, native plant restoration

Through the year

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Flowering

Fruiting

Foliage

Ecological indicators

Salinity: 1/9
Soil reaction: 3/9
Light: 2/9
Temperature: 3/9
Moisture: 7/9
Nutrients: 4/9

Taxonomy resolved against GBIF.

Questions people ask

Does it need full sun?: No, it prefers partial to full shade.
Will it grow in dry soil?: It prefers consistently moist soil and will struggle in dry conditions.

Where the name comes from

The genus name comes from the Latin for May flower, while the species name indicates its Canadian origin.

Good to know

It spreads slowly via underground rhizomes to form dense carpets.
The flowers have a faint, pleasant fragrance.
It is a common sight in northern boreal forests.
The leaves are often mistaken for young lily of the valley.

Also in

Plants for shade

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This guide was generated with AI on September 26, 2026 and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.