Maianthemum dilatatum
A damp woodland perennial with glossy heart-shaped leaves, white flower clusters in spring, creeping rhizomes that form a dense, shade-loving groundcover, and red berries in the Pacific Northwest.
Common Names
False Lily Of The Valley, May-Lily, Wild Lily Of The Valley, Two-Leaved Solomon's Seal, Snakeberry, Bead Ruby, Deer Berry
Summary
Maianthemum dilatatum is a native western North American herbaceous perennial that forms a vigorous rhizomatous ground cover, spreading to dense mats in moist, shady woodlands and along streams from Alaska to California and across parts of Asia. It grows to about 6–15 inches tall, with pairs of glossy heart-shaped leaves and erect stems bearing a cylindrical spike of small white flowers, followed by red berries, creating a striking shade-loving ground cover.
In cultivation it prefers cool, shade to part shade and moist, well-drained, humus-rich soils; it tolerates a range of soils and light conditions but favors moist shade and is hardy in USDA zones 4–7. It spreads rapidly via creeping rhizomes and can be invasive if not contained; propagation is by seed or division; ideal uses include woodland ground cover, shady borders, along streams, and naturalized garden areas, with maintenance generally low once established.
Lifecycle
Perennial
Height
6-15 inches
Spread
1-3 feet
Hardiness Zones
Zones 3-8
Sunlight Requirements
Ideally Partial Shade.
Soil Type
Moist, humus-rich, well-drained soil
Soil Drainage
Moist, well-drained soil (not waterlogged)
Soil pH
4.5-7.5
Bloom Color
White
Bloom Time
Spring and Summer (blooms May–July).
Foliage Color
Green
Fall Foliage Color
Gold
Leaf Lifecycle
Evergreen broadleaf
Growth Rate
Fast
Seasons of Interest
Spring and Summer
Propagation Methods
Seeds, Cuttings, and Division
Attracts Wildlife
Attracts hummingbirds, butterflies, and birds
Taxonomy
- Taxonomic Rank
- Species
- Author
- (Alph.Wood) A.Nelson & J.F.Macbr.
- Publication
- Bot. Gaz. 61: 30 (1916)
Superior Taxa
- Kingdom
- Plantae
- Subkingdom
- Pteridobiotina
- Phylum
- Angiosperms
- Order
- Asparagales
- Family
- Asparagaceae
- Genus
- Maianthemum
Synonyms
Maianthemum kamtschaticum Maianthemum bifolium subsp. kamtschaticum Smilacina dilatata Unifolium dilatatum Maianthemum bifolium var. dilatatum Unifolium kamtschaticum Convallaria bifolia var. kamtschatica Smilacina bifolia var. kamtschatica Maianthemum bifolium var. kamtschaticum Maianthemum bifolium var. kamtschaticum Convallaria bifolia var. kamtschaticum Unifolium bifolium subsp. kamtschaticum