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One-sided Wintergreen

Orthilia secunda

Also listed as Pyrola secunda, Ramischia elatior

Also known as Sidebells Wintergreen, Serrated Wintergreen, One-sided Pyrola

herbaceousβ›… part shadeπŸ’§πŸ’§ moderate water❄ Hardy: Zone 3a – Zone 7b

Climate Match for your location

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A delicate, low-growing evergreen perennial with one-sided spikes of small white or pale pink flowers. Commonly found in cool, moist woodlands and is valued for its subtle shade-garden presence.

Why grow it

Orthilia secunda occupies a narrow ecological niche as a low-growing evergreen groundcover for shaded, acidic woodland conditions where many other perennials struggle. Unlike taller shade plants, its prostrate habit and modest flowering make it useful for understory layering without competing with shrub and tree canopies. The persistent foliage provides winter interest in cool-climate gardens where deciduous groundcovers leave bare soil exposed.

Watch out for

This plant is slow to establish and requires consistent moisture during its first growing season, making it unsuitable for neglected garden areas. Success depends heavily on replicating its native habitat conditions (cool temperatures, high humidity, acidic soil), so performance often varies unpredictably outside these parameters even when basic care guidelines are followed.

Overview

Form
Upright
Growth Rate
slow
Size
0.5–1β€² tall Γ— 0.5–1β€² wide
Dormancy
evergreen
Family
Ericaceae
Medicinal

Native to the United States

Native Range

Northern Hemisphere (North America, Europe, Asia)

Native to: Alaska, Arizona, California, Colorado, Connecticut, District of Columbia, Delaware, Iowa, Idaho, Illinois, Indiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Montana, North Dakota, Nebraska, New Hampshire, New Jersey, New Mexico, Nevada, New York, Ohio, Oregon, Pennsylvania, Rhode Island, South Dakota, Utah, Virginia, Vermont, Washington, Wisconsin, Wyoming

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

SpringSummer

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Companion Planting

Plants well with