Hydrolea uniflora Plant Care

Hydrolea uniflora Raf.

Updated · Sources · How we source care data

Hydrolea uniflora, commonly known as the oneflower false fiddleleaf, is a species of flowering plant in the family Hydroleaceae. It is endemic to the central and southeastern United States, where it occurs primarily in wetland habitats.

Water

Every 3–5 days

Light

Partial to full shade

Temp

60–80°F

Humidity

40–70%

At a glance

How do you care for Hydrolea uniflora?

Plant Hydrolea uniflora in partial to full shade (USDA zones 13a) and water a young shrub every 3–5 days until it is established. It tolerates temperatures of 60–80°F (16–27°C). Fertilize it every 6 months during the growing season.

Where Is the Hydrolea uniflora Native To?

Native range1 country

What Is the Hydrolea uniflora?

Hydrolea uniflora (Hydrolea uniflora) belongs to the Hydroleaceae family within the Hydrolea genus. Hydrolea uniflora is native to the central and southeastern United States.

Hydrolea uniflora displays a low rosette, spreading ground cover growth habit, reaching up to 0.5 ft tall with a spread of approximately 1 ft. Hydrolea uniflora produces small blue or purple funnel-shaped flowers.

Leaf size: approximately 2 inches.

How Often Should You Water a Hydrolea uniflora?

Water a young or newly planted Hydrolea uniflora 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 Hydrolea uniflora Need?

Hydrolea uniflora thrives in partial to full shade. The optimal light range is 100–500 lux. Avoid placing Hydrolea uniflora 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 Hydrolea uniflora Prefer?

Hydrolea uniflora tolerates temperatures of 60–80°F. Hydrolea uniflora prefers humidity levels of 40–70%.

Temperature

60–80°F

Humidity

40–70%

What Soil Mix Works Best for a Hydrolea uniflora?

Moist, well-draining soil with high organic content. Good drainage is essential for Hydrolea uniflora to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Hydrolea uniflora?

Feed Hydrolea uniflora 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 Hydrolea uniflora?

Choose a spot with partial to full shade and moist, well-draining soil with high organic content. Avoid low spots where water collects after rain.

Hydrolea uniflora 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 Hydrolea uniflora?

Hydrolea uniflora 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 Hydrolea uniflora?

Prune Hydrolea uniflora 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 Hydrolea uniflora in Winter?

Hydrolea uniflora 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 Hydrolea uniflora?

Hydrolea uniflora can be propagated through seeds, division of rhizomes. Similar propagation techniques also apply to water stickleaf plant care, which shares the same genus.

Is the Hydrolea uniflora Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Hydrolea uniflora, 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 Hydrolea uniflora?

Hydrolea uniflora 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 Hydrolea uniflora Need?

Hydrolea uniflora grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Hydrolea uniflora is native to the central and southeastern United States. In cooler regions, grow Hydrolea uniflora as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13a

Keep exploring plants

Hydrolea uniflora 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 Hydrolea genus — compare its care with other Hydrolea species on PlantoScan.

Hydrolea is part of the Hydroleaceae plant family — browse all Hydroleaceae genera and species.

Hydrolea uniflora 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: Hydrolea uniflora Raf., family Hydroleaceae (first published in Autik. Bot. : 34 (1840)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Hydrolea uniflora, 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.

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