Wild Larkspur Plant Care

Delphinium dubium (Rouy & Fouc.) Pawł.

Updated · Sources · How we source care data

Delphinium elatum is a species of flowering plant in the buttercup family Ranunculaceae, known by the common names alpine delphinium, bee larkspur, or candle larkspur. It is native to temperate Asia and Europe, it is an erect herbaceous perennial growing to 1.8 m (5.9 ft), with deeply divided leaves.

🌼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 Wild Larkspur?

Water Wild 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 Wild Larkspur Native To?

Native range40 countries

What Is the Wild Larkspur?

Wild Larkspur (Delphinium dubium) belongs to the Ranunculaceae family within the Delphinium genus. Wild Larkspur is native to temperate Asia and Europe.

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

Leaf size: approximately 6 inches.

How Often Should You Water a Wild Larkspur?

Delphinium dubium 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 Wild Larkspur Need?

Wild Larkspur thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Wild Larkspur Prefer?

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

Temperature

50–75°F

Humidity

40–60%

What Soil Mix Works Best for a Wild Larkspur?

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

How Often Should You Fertilize a Wild Larkspur?

Feed Wild 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 Wild 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 Wild Larkspur?

Wild 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 Wild 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 Wild Larkspur?

Wild 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 Wild Larkspur Need?

Wild Larkspur grows outdoors in USDA Zone 4a – 8b. It survives winters down to planting zone 4a. Wild Larkspur is native to temperate Asia and Europe.

Hardiness Zone

Zone 4a – 8b

Keep exploring plants

Wild 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.

Wild 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 dubium (Rouy & Fouc.) Pawł., family Ranunculaceae (first published in Rozpr. Akad. Umiejetn., Wydz. Mat.-Przyr. 1: 39 (1933 publ. 1934)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Wild 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 4a – 8b, estimated from the plant's typical growing conditions.
  • 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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