Trees and shrubs

Sweetfern

Comptonia peregrina

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Exposure
Sun to part shade
Hardiness
Zone 2–6

Discover the plant

Common nameSweet fern
FamilyMyricaceae
GenusComptonia
Speciespilgrim
TypeShrub
Botanical nameComptonia peregrina

Sweet Fern (Comptonia peregrina). Comptonia peregrina, commonly known as sweet fern, is a low-growing, spreading native shrub recognized for its finely dissected and highly aromatic foliage. Although it evokes a fern in appearance, it is a true woody shrub with a dense and naturalized habit, ideal for dry gardens, embankments, sandy soils, and ecological landscaping. Its deciduous grayish-green foliage releases a pleasant resinous scent when crushed and takes on beautiful yellow to bronze hues in the fall. Very drought and wind resistant, Comptonia peregrina plays an important ecological role by stabilizing poor soils and promoting biodiversity.

To plant sweet fern, choose a suitable exposure: sun to partial shade. The recommended soil is: sandy, poor, well-drained. Water the root ball before planting it in the ground and check that water can drain after planting. During establishment, check the moisture by hand before watering again. Spread mulch around the base, leaving the crown clear. Avoid systematic fertilizer applications without considering soil richness. In Quebec, choose a period when the soil is thawed and easy to work. In hot weather, monitor recently planted plants more frequently.

Allow a width of 1–1.5 m (3–5 ft) to arrange the plant's space in the garden. The indicated height of 0.6–1 m (2–3 ft) helps to choose its position relative to neighboring plants. Maintain access to the base for weeding, checking moisture, and removing damaged parts. Associate this variety with plants whose light and water needs are compatible. If you are considering a container, first check that its volume and drainage are suitable for root development. Potted roots are more exposed to cold than those planted in the ground.

Comptonia peregrina

Soil and care

The right care,at the right time.

Minimum temperature

'-40°C

Watering

Moderate watering

Soil type

Sandy, poor, well-drained

Fertilization

Acid-loving fertilizer in spring. Fertilize monthly or as directed on the bag. Not recommended – use Bionik rooting agent or ground bone.

Bloom and dimensions

Its place,in your garden.

Mature height

1 to 1.2 m (39 to 48 inches)

Width / spread

1.5 m (5 feet)

Flower color

Non-ornamental

Foliage color

Grayish green ? bronze yellow in autumn

Foliage type

Obsolete

Growth rate

slow

Growth habit

Low, spreading shrub

Bloom period

Spring

Fruiting

Discrete dried fruits

Wildlife and pets

Life,around your plants.

Supporting wildlife

Yes