Bare Larkspur Plant Care

Delphinium denudatum Wall.

Updated · Sources · How we source care data

With its deeply lobed and finely cut green leaves, this plant originates from the Himalayan regions of India and Pakistan. Plant collectors are drawn to Delphinium denudatum for its striking tall spikes of deep blue flowers that can reach up to 3 feet in height, making it a standout addition to any garden or landscape.

🌼Perennials
Water

Every 7–10 days

Light

Full sun to partial shade

Temp

50–75°F

Humidity

40–60%

At a glance

How do you care for Bare Larkspur?

Water Bare Larkspur every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–75°F (10–24°C) and 40–60% humidity. Fertilize it every 6 months during the growing season. It is reported as toxic to pets, so keep it out of reach of pets.

Where Is the Bare Larkspur Native To?

Native range6 countries

What Is the Bare Larkspur?

Bare Larkspur (Delphinium denudatum) belongs to the Ranunculaceae family within the Delphinium genus. Bare Larkspur is native to Central Asia.

Bare Larkspur displays a tall spikes, clumping perennial growth habit, reaching up to 5 ft tall with a spread of approximately 2 ft. Bare Larkspur produces colorful, showy spikes of blue, purple, pink, or white flowers.

Leaf size: approximately 6 inches.

How Often Should You Water a Bare Larkspur?

Delphinium denudatum 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 Bare Larkspur Need?

Bare Larkspur thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Bare Larkspur Prefer?

Delphinium denudatum grows best at temperatures of 50–75°F. Bare Larkspur prefers humidity levels of 40–60%.

Temperature

50–75°F

Humidity

40–60%

What Soil Mix Works Best for a Bare Larkspur?

Rich, well-draining soil with added compost for nutrients. Good drainage is essential for Bare Larkspur to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Bare Larkspur?

Feed Bare Larkspur 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 Bare Larkspur?

Divide and replant every 3-4 years in early 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 Bare Larkspur?

Bare Larkspur can be propagated through seeds, division of clumps. Similar propagation techniques also apply to delphinium plant care, which shares the same genus.

Is the Bare Larkspur Toxic to Pets and Children?

Toxic (caution)

Reported as toxic in our plant data. Not verified by the ASPCA.

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 Bare Larkspur?

Bare Larkspur is susceptible to aphids, slugs, snails. 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 Bare Larkspur Need?

Bare Larkspur grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Bare Larkspur is native to Central Asia. In cooler regions, grow Bare Larkspur as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

Bare Larkspur 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 Delphinium genus — compare its care with other Delphinium species on PlantoScan.

Delphinium is part of the Ranunculaceae plant family — browse all Ranunculaceae genera and species.

Bare Larkspur thrives in bright light and direct sun — see other bright-light plants.

More Delphinium Species

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

Sources

  • Scientific name & taxonomy: Delphinium denudatum Wall., family Ranunculaceae (first published in Fl. Ind. 1: 40 (1855)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Bare Larkspur is reported as toxic to pets in our plant data (not verified by the ASPCA), so treat it with caution. 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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