Dianella revoluta var. divaricata Plant Care

Dianella revoluta var. divaricata (R.Br.) R.J.F.Hend.

Updated · Sources · How we source care data

Dianella revoluta, commonly known as blueberry lily, blue flax-lily, or black-anther flax-lily, a species of flowering plant in the family Asphodelaceae and is endemic to, and widespread in Australia. It is a tufted, perennial herb with grass-like leaves and up to nine blue or violet flowers with six tepals, and stamens with bright yellow filaments and pale brown to almost black anthers.

Water

Every 7–10 days

Light

Partial shade to full sun

Temp

50–85°F

Humidity

40–70%

At a glance

How do you care for Dianella revoluta var. divaricata?

Water Dianella revoluta var. divaricata every 7–10 days, letting the top layer of soil dry out between waterings, and give it partial shade to full sun. It prefers temperatures of 50–85°F (10–29°C) and 40–70% humidity. Fertilize it every 6 months during the growing season.

What Is the Dianella revoluta var. divaricata?

Dianella revoluta var. divaricata (Dianella revoluta var. divaricata) belongs to the Asphodelaceae family within the Dianella genus.

Dianella revoluta var. divaricata displays a clumping perennial growth habit, reaching up to 2 ft tall with a spread of approximately 1.5 ft. Dianella revoluta var. divaricata produces small blue or white flowers in clusters.

Leaf size: approximately 18 inches.

How Often Should You Water a Dianella revoluta var. divaricata?

Dianella revoluta var. divaricata requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.

Watering Frequency

Every 7–10 days

Let soil partially dry between waterings

What Light Does the Dianella revoluta var. divaricata Need?

Dianella revoluta var. divaricata thrives in partial shade to full sun.

Light Requirement

Partial shade to full sun

What Temperature and Humidity Does the Dianella revoluta var. divaricata Prefer?

Dianella revoluta var. divaricata grows best at temperatures of 50–85°F. Dianella revoluta var. divaricata prefers humidity levels of 40–70%.

Temperature

50–85°F

Humidity

40–70%

What Soil Mix Works Best for a Dianella revoluta var. divaricata?

Well-draining sandy loam with added organic matter. Good drainage is essential for Dianella revoluta var. divaricata to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Dianella revoluta var. divaricata?

Feed Dianella revoluta var. divaricata every 6 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.

Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.

Fertilizing

Every 6 months

During the growing season

The PlantoScan app can remind you when to water and when to fertilize each plant.

How Do You Repot a Dianella revoluta var. divaricata?

Repot every 2-3 years in spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.

How Do You Propagate a Dianella revoluta var. divaricata?

Dianella revoluta var. divaricata can be propagated through division, seeds. Similar propagation techniques also apply to blueberry lily plant care, which shares the same genus.

Is the Dianella revoluta var. divaricata Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Dianella revoluta var. divaricata, 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 Dianella revoluta var. divaricata?

Dianella revoluta var. divaricata is susceptible to aphids, scale insects, 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 Dianella revoluta var. divaricata Need?

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

Hardiness Zone

Zone 12a

Keep exploring plants

Dianella revoluta var. divaricata 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 Dianella genus — compare its care with other Dianella species on PlantoScan.

Dianella is part of the Asphodelaceae plant family — browse all Asphodelaceae genera and species.

Dianella revoluta var. divaricata thrives in bright light and direct sun — see other bright-light plants.

More Dianella Species

Other Dianella species in PlantoScan's care catalogue share similar watering, light, and soil preferences:

Sources

  • Scientific name & taxonomy: Dianella revoluta var. divaricata (R.Br.) R.J.F.Hend., family Asphodelaceae (first published in Fl. Australia 45: 484 (1987)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Dianella revoluta var. divaricata, 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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