Tetrapteron palmeri Plant Care

Tetrapteron palmeri (S.Watson) W.L.Wagner & Hoch

Updated · Sources · How we source care data

Tetrapteron palmeri is a species of evening primrose known by the common name Palmer evening primrose. It is native to the western United States from California to Idaho, where it grows in several habitat types, including desert and sagebrush.

Water

Every 5–7 days

Light

Partial to full shade

Temp

60–75°F

Humidity

40–60%

At a glance

How do you care for Tetrapteron palmeri?

Plant Tetrapteron palmeri in partial to full shade (USDA zones 13a) and water a young shrub every 5–7 days until it is established. It tolerates temperatures of 60–75°F (16–24°C). Fertilize it every 6 months during the growing season.

Where Is the Tetrapteron palmeri Native To?

Native range1 country

What Is the Tetrapteron palmeri?

Tetrapteron palmeri (Tetrapteron palmeri) belongs to the Onagraceae family within the Tetrapteron genus. Tetrapteron palmeri is native to the western United States from California to Idaho.

Tetrapteron palmeri displays a low rosette, spreading ground cover growth habit, reaching up to 0.5 ft tall with a spread of approximately 1.5 ft. Tetrapteron palmeri produces small, delicate pink flowers in clusters.

Leaf size: approximately 2 inches.

How Often Should You Water a Tetrapteron palmeri?

Water a young or newly planted Tetrapteron palmeri every 5–7 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 5–7 days

Until established; then in dry spells

What Light Does the Tetrapteron palmeri Need?

Tetrapteron palmeri thrives in partial to full shade. The optimal light range is 100–500 lux. Avoid placing Tetrapteron palmeri in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Partial to full shade

100–500 lux

What Temperature and Humidity Does the Tetrapteron palmeri Prefer?

Tetrapteron palmeri tolerates temperatures of 60–75°F. Tetrapteron palmeri prefers humidity levels of 40–60%.

Temperature

60–75°F

Humidity

40–60%

What Soil Mix Works Best for a Tetrapteron palmeri?

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

How Often Should You Fertilize a Tetrapteron palmeri?

Feed Tetrapteron palmeri 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 Tetrapteron palmeri?

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

Tetrapteron palmeri is suited to USDA Zone 13a.

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 Tetrapteron palmeri?

Tetrapteron palmeri can spread to about 2 ft (0.5 m) and reach about 1 ft (0 m) tall. Space plants about 2 ft (0.5 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 Tetrapteron palmeri?

Prune Tetrapteron palmeri 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 Tetrapteron palmeri in Winter?

Tetrapteron palmeri 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.

How Do You Propagate a Tetrapteron palmeri?

Tetrapteron palmeri can be propagated through seeds, division of offsets. Similar propagation techniques also apply to tetrapteron graciliflorum plant care, which shares the same genus.

Is the Tetrapteron palmeri Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Tetrapteron palmeri, 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 Tetrapteron palmeri?

Tetrapteron palmeri is susceptible to aphids, spider mites, leaf miners. 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 Tetrapteron palmeri Need?

Tetrapteron palmeri grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Tetrapteron palmeri is native to the western United States from California to Idaho. In cooler regions, grow Tetrapteron palmeri as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13a

Keep exploring plants

Tetrapteron palmeri 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 Tetrapteron genus — compare its care with other Tetrapteron species on PlantoScan.

Tetrapteron is part of the Onagraceae plant family — browse all Onagraceae genera and species.

Tetrapteron palmeri copes with lower light than most plants — browse the full list of low-light plants.

Related Plant Care Guides

Closely related plants with similar care requirements:

Sources

  • Scientific name & taxonomy: Tetrapteron palmeri (S.Watson) W.L.Wagner & Hoch, family Onagraceae (first published in Syst. Bot. Monogr. 83: 214 (2007)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Tetrapteron palmeri, 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 13a, 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.

PlantoScan app icon

Identify Plants Like the
Tetrapteron palmeri Instantly

Scan any plant with your phone camera and get instant ID, care tips, water and fertilizer reminders, and health checks — all in one app.

Download on the App StoreGet it on Google Play

Free

to download

iOS & Android

platforms

Light & dark

mode

100,000+

species