One-flowered Broomrape Plant Care

Aphyllon uniflorum (L.) A.Gray

Updated · Sources · How we source care data

Orobanche uniflora, commonly known as one-flowered broomrape, one-flowered cancer root, ghost pipe or naked broomrape, is an annual parasitic herbaceous plant. It is native to much of North America, where it is a parasitic plant, tapping nutrients from many other species of plants, including those in the families Asteraceae and Saxifragaceae and in the genus Sedum.

Water

Every 7–14 days

Light

Partial to full shade

Temp

50–75°F

Humidity

40–60%

At a glance

How do you care for One-flowered Broomrape?

Plant One-flowered Broomrape in partial to full shade (USDA zones 12a) and water a young shrub every 7–14 days until it is established. It tolerates temperatures of 50–75°F (10–24°C).

Where Is the One-flowered Broomrape Native To?

Native range3 countries

What Is the One-flowered Broomrape?

One-flowered Broomrape (Aphyllon uniflorum) belongs to the Orobanchaceae family within the Aphyllon genus. One-flowered Broomrape is native to much of North America.

One-flowered Broomrape displays a low, spreading ground cover growth habit, reaching up to 0.5 ft tall with a spread of approximately 1.5 ft. One-flowered Broomrape produces small, inconspicuous flowers.

Leaf size: approximately 1 inches.

How Often Should You Water a One-flowered Broomrape?

Water a young or newly planted One-flowered Broomrape every 7–14 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 7–14 days

Until established; then in dry spells

What Light Does the One-flowered Broomrape Need?

One-flowered Broomrape thrives in partial to full shade. The optimal light range is 50–200 lux. Avoid placing One-flowered Broomrape in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Partial to full shade

50–200 lux

What Temperature and Humidity Does the One-flowered Broomrape Prefer?

Aphyllon uniflorum tolerates temperatures of 50–75°F. One-flowered Broomrape prefers humidity levels of 40–60%.

Temperature

50–75°F

Humidity

40–60%

What Soil Mix Works Best for a One-flowered Broomrape?

Well-draining sandy soil with low fertility. Good drainage is essential for One-flowered Broomrape to prevent waterlogging, which leads to root rot and fungal issues.

Where Should You Plant a One-flowered Broomrape?

Choose a spot with partial to full shade and well-draining sandy soil with low fertility. Avoid low spots where water collects after rain.

One-flowered Broomrape 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 One-flowered Broomrape?

One-flowered Broomrape 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 One-flowered Broomrape?

Prune One-flowered Broomrape 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 One-flowered Broomrape in Winter?

One-flowered Broomrape 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 One-flowered Broomrape?

One-flowered Broomrape can be propagated through seeds, division. Similar propagation techniques also apply to aphyllon californicum plant care, which shares the same genus.

Is the One-flowered Broomrape Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list One-flowered Broomrape, 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 One-flowered Broomrape?

One-flowered Broomrape is susceptible to not commonly affected by pests. 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 One-flowered Broomrape Need?

One-flowered Broomrape grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. One-flowered Broomrape is native to much of North America. In cooler regions, grow One-flowered Broomrape as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

One-flowered Broomrape 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 Aphyllon genus — compare its care with other Aphyllon species on PlantoScan.

Aphyllon is part of the Orobanchaceae plant family — browse all Orobanchaceae genera and species.

One-flowered Broomrape 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: Aphyllon uniflorum (L.) A.Gray, family Orobanchaceae (first published in Manual : 290 (1848)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list One-flowered Broomrape, 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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