Delphinium viridescens Plant Care

Delphinium viridescens Leiberg

Updated · Sources · How we source care data

Delphinium viridescens is a species of flowering plant in the buttercup family known by the common name Wenatchee larkspur. It is endemic to central Washington state in the United States, where it occurs in the Wenatchee Mountains in Chelan and Kittitas Counties.

🌼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 Delphinium viridescens?

Water Delphinium viridescens 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 Delphinium viridescens Native To?

Native range1 country

What Is the Delphinium viridescens?

Delphinium viridescens (Delphinium viridescens) belongs to the Ranunculaceae family within the Delphinium genus. Delphinium viridescens is native to central Washington state in the United States.

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

Leaf size: approximately 6 inches.

How Often Should You Water a Delphinium viridescens?

Delphinium viridescens 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 Delphinium viridescens Need?

Delphinium viridescens thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Delphinium viridescens Prefer?

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

Temperature

50–75°F

Humidity

40–60%

What Soil Mix Works Best for a Delphinium viridescens?

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

How Often Should You Fertilize a Delphinium viridescens?

Feed Delphinium viridescens 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 Delphinium viridescens?

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 Delphinium viridescens?

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

Is the Delphinium viridescens 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 Delphinium viridescens?

Delphinium viridescens 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 Delphinium viridescens Need?

Delphinium viridescens grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Delphinium viridescens is native to central Washington state in the United States. In cooler regions, grow Delphinium viridescens as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

Delphinium viridescens 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.

Delphinium viridescens 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 viridescens Leiberg, family Ranunculaceae (first published in Proc. Biol. Soc. Washington 11: 39 (1898)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Delphinium viridescens 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.

PlantoScan app icon

Identify Plants Like the
Delphinium viridescens Instantly

Scan any plant with your phone camera and get instant ID, care tips, water and fertilizer reminders, and health checks — all in one app.

Download on the App StoreGet it on Google Play

Free

to download

iOS & Android

platforms

Light & dark

mode

100,000+

species