Northern Herbertus Plant Care

Northern Herbertus (Herbertus borealis) belongs to the Herbertaceae family within the Herbertus genus. Northern Herbertus is native to Scotland. Northern Herbertus is also known as Arctic Moss.

Northern Herbertus displays a low rosette, spreading ground cover growth habit, reaching up to 0.5 ft tall with a spread of approximately 1 ft. Northern Herbertus produces small inconspicuous flowers at the base of the plant.

Leaf size: approximately 2 inches.

Water a young or newly planted Northern Herbertus every 7–10 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established shrubs mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.

Northern Herbertus thrives in bright indirect light. Avoid placing Northern Herbertus in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Herbertus borealis tolerates temperatures of 65–75°F. Northern Herbertus prefers humidity levels of 60–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Loose, well-draining peat-based mix with added perlite. Good drainage is essential for Northern Herbertus to prevent waterlogging, which leads to root rot and fungal issues.

Feed Northern Herbertus every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established shrubs in good soil often need little extra feeding, so let weak growth or pale foliage guide you.

Stop feeding by late summer so new growth can harden before winter.

The PlantoScan app can remind you when to water and when to fertilize each plant.

Choose a spot with bright indirect light and loose, well-draining peat-based mix with added perlite. Avoid low spots where water collects after rain.

Northern Herbertus is suited to USDA Zone 13b.

Plant container-grown or balled-and-burlapped shrubs in spring or early autumn, setting the root flare at soil level, and water well after planting.

Northern Herbertus can spread to about 1 ft (0.3 m) and reach about 1 ft (0 m) tall. Space plants about 1 ft (0.3 m) apart so mature crowns don't crowd each other, and plant at least half that distance from buildings, fences and paths.

Planning a row or hedge? Try the plant spacing calculator.

Prune Northern Herbertus while it is dormant in late winter: first remove dead, damaged and crossing branches, then thin lightly for shape.

If it flowers in spring, prune right after flowering instead so you don't remove next year's buds. Never take off more than about a quarter of the shrub in one year.

Northern Herbertus is frost-tender (hardy to USDA zone 13). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.

Northern Herbertus can be propagated through spores, division of rhizomes. Similar propagation techniques also apply to herbertus delavayi plant care, which shares the same genus.

See all plants toxic to cats and plants toxic to dogs.

Northern Herbertus is susceptible to spider mites, scale insects, mealybugs. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.

Northern Herbertus grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Northern Herbertus is native to Scotland. In cooler regions, grow Northern Herbertus as a houseplant or bring it indoors before the first frost.