
Photo: no rights reservedCC0 1.0via iNaturalist
Samolus eremaeus Plant Care
Samolus eremaeus S.W.L.Jacobs
Updated · Sources · How we source care data
This plant's slender, lance-shaped leaves are its most striking feature, adding an elegant touch to any collection. Originating from the deserts of Australia, its rare and unique appearance makes it highly sought after by plant collectors looking to diversify their assortment with exotic finds.
Every 3–5 days
Full sun to partial shade
50–75°F
40–70%
At a glance
How do you care for Samolus eremaeus?
Plant Samolus eremaeus in full sun to partial shade (USDA zones 12a) and water a young shrub every 3–5 days until it is established. It tolerates temperatures of 50–75°F (10–24°C). Fertilize it every 6 months during the growing season.
Where Is the Samolus eremaeus Native To?
What Is the Samolus eremaeus?
Samolus eremaeus (Samolus eremaeus) belongs to the Primulaceae family within the Samolus genus. Samolus eremaeus is native to Australia, New Zealand and near-by Pacific islands, and South America.
Samolus eremaeus displays a low rosette, spreading growth habit, reaching up to 0.5 ft tall with a spread of approximately 1 ft. Samolus eremaeus produces small white flowers in dense clusters.
Leaf size: approximately 1.5 inches.
How Often Should You Water a Samolus eremaeus?
Water a young or newly planted Samolus eremaeus every 3–5 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.
Watering Frequency
Every 3–5 days
Until established; then in dry spells
What Light Does the Samolus eremaeus Need?
Samolus eremaeus thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Samolus eremaeus Prefer?
Samolus eremaeus tolerates temperatures of 50–75°F. Samolus eremaeus prefers humidity levels of 40–70%.
Temperature
50–75°F
Humidity
40–70%
What Soil Mix Works Best for a Samolus eremaeus?
Moist, well-draining soil rich in organic matter. Good drainage is essential for Samolus eremaeus to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Samolus eremaeus?
Feed Samolus eremaeus 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.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
Where Should You Plant a Samolus eremaeus?
Choose a spot with full sun to partial shade and moist, well-draining soil rich in organic matter. Avoid low spots where water collects after rain.
Samolus eremaeus is suited to USDA Zone 12a.
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.
How Far Apart Should You Plant a Samolus eremaeus?
Samolus eremaeus 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.
How Do You Prune a Samolus eremaeus?
Prune Samolus eremaeus 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.
How Do You Care for a Samolus eremaeus in Winter?
Samolus eremaeus is frost-tender (hardy to USDA zone 12). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.
How Do You Propagate a Samolus eremaeus?
Samolus eremaeus can be propagated through seeds, division of clumps. Similar propagation techniques also apply to creeping water pimpernel plant care, which shares the same genus.
Is the Samolus eremaeus Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Samolus eremaeus, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Samolus eremaeus?
Samolus eremaeus is susceptible to aphids, spider mites. 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.
What USDA Hardiness Zone Does the Samolus eremaeus Need?
Samolus eremaeus grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Samolus eremaeus is native to Australia, New Zealand and near-by Pacific islands, and South America. In cooler regions, grow Samolus eremaeus as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Samolus eremaeus is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Samolus genus — compare its care with other Samolus species on PlantoScan.
Samolus is part of the Primulaceae plant family — browse all Primulaceae genera and species.
Samolus eremaeus thrives in bright light and direct sun — see other bright-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Samolus eremaeus S.W.L.Jacobs, family Primulaceae (first published in J. Adelaide Bot. Gard. 2: 187 (1980)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Samolus eremaeus, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Photo: Public domain, CC0 1.0, iNaturalist — original.
- Hardiness zone: USDA Zone 12a, calculated from the plant's minimum temperature.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
