Portenschlagiella ramosissima Plant Care

Portenschlagiella ramosissima (Port.) Tutin

Updated · Sources · How we source care data

Portenschlagiella is a monotypic genus of flowering plants belonging to the family Apiaceae. It has one known synonym of Portenschlagia Vis.

🌱Herbs
Water

Every 4–7 days

Light

Partial shade to full sun

Temp

50–75°F

Humidity

40–70%

At a glance

How do you care for Portenschlagiella ramosissima?

Plant Portenschlagiella ramosissima in partial shade to full sun (USDA zones 12a) and water a young shrub every 4–7 days until it is established. It tolerates temperatures of 50–75°F (10–24°C). Fertilize it every 6 months during the growing season.

What Is the Portenschlagiella ramosissima?

Portenschlagiella ramosissima (Portenschlagiella ramosissima) belongs to the Apiaceae family within the Portenschlagiella genus.

Portenschlagiella ramosissima displays a low rosette, spreading ground cover growth habit, reaching up to 0.5 ft tall with a spread of approximately 1 ft. Portenschlagiella ramosissima produces small clusters of white or pink flowers in umbels.

Leaf size: approximately 3 inches.

How Often Should You Water a Portenschlagiella ramosissima?

Water a young or newly planted Portenschlagiella ramosissima every 4–7 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 4–7 days

Until established; then in dry spells

What Light Does the Portenschlagiella ramosissima Need?

Portenschlagiella ramosissima thrives in partial shade to full sun.

Light Requirement

Partial shade to full sun

What Temperature and Humidity Does the Portenschlagiella ramosissima Prefer?

Portenschlagiella ramosissima tolerates temperatures of 50–75°F. Portenschlagiella ramosissima prefers humidity levels of 40–70%.

Temperature

50–75°F

Humidity

40–70%

What Soil Mix Works Best for a Portenschlagiella ramosissima?

Well-draining loamy soil with added organic matter for moisture retention. Good drainage is essential for Portenschlagiella ramosissima to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Portenschlagiella ramosissima?

Feed Portenschlagiella ramosissima 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 Portenschlagiella ramosissima?

Choose a spot with partial shade to full sun and well-draining loamy soil with added organic matter for moisture retention. Avoid low spots where water collects after rain.

Portenschlagiella ramosissima 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 Portenschlagiella ramosissima?

Portenschlagiella ramosissima 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 Portenschlagiella ramosissima?

Prune Portenschlagiella ramosissima 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 Portenschlagiella ramosissima in Winter?

Portenschlagiella ramosissima 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 Portenschlagiella ramosissima?

Portenschlagiella ramosissima can be propagated through seeds, division of offsets.

Is the Portenschlagiella ramosissima Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Portenschlagiella ramosissima, 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 Portenschlagiella ramosissima?

Portenschlagiella ramosissima is susceptible to aphids, spider mites, whiteflies. 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 Portenschlagiella ramosissima Need?

Portenschlagiella ramosissima grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. In cooler regions, grow Portenschlagiella ramosissima as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

Portenschlagiella ramosissima 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 Portenschlagiella genus — compare its care with other Portenschlagiella species on PlantoScan.

Portenschlagiella is part of the Apiaceae plant family — browse all Apiaceae genera and species.

Portenschlagiella ramosissima 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: Portenschlagiella ramosissima (Port.) Tutin, family Apiaceae (first published in Feddes Repert. 74: 32 (1967)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Portenschlagiella ramosissima, 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.
  • 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.

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