Red Campion Plant Care

Lychnis dioecia Mill.

Updated · Sources · How we source care data

Silene dioica, known as red campion and red catchfly, is a herbaceous flowering plant in the family Caryophyllaceae, native to Europe and introduced to the Americas.

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 Red Campion?

Water Red Campion 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.

Where Is the Red Campion Native To?

Native range63 countries

What Is the Red Campion?

Red Campion (Lychnis dioecia) belongs to the Caryophyllaceae family within the Lychnis genus. Red Campion is native to Europe and introduced to the Americas. Red Campion is also known as Campion.

Red Campion displays a clumping herbaceous perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Red Campion produces showy clusters of pink, red, or white flowers.

Leaf size: approximately 3 inches.

How Often Should You Water a Red Campion?

Lychnis dioecia 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 Red Campion Need?

Red Campion thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Red Campion Prefer?

Lychnis dioecia grows best at temperatures of 50–75°F. Red Campion prefers humidity levels of 40–60%.

Temperature

50–75°F

Humidity

40–60%

What Soil Mix Works Best for a Red Campion?

Well-draining loamy soil with added organic matter for moisture retention. Good drainage is essential for Red Campion to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Red Campion?

Feed Red Campion 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 Red Campion?

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 Red Campion?

Red Campion can be propagated through seeds, division of clumps. Similar propagation techniques also apply to siberian lychnis plant care, which shares the same genus.

Is the Red Campion Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Red Campion, 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 Red Campion?

Red Campion is susceptible to aphids, spider mites, slugs. 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 Red Campion Need?

Red Campion grows outdoors in USDA Zone 3a – 9b. It survives winters down to planting zone 3a. Red Campion is native to Europe and introduced to the Americas.

Hardiness Zone

Zone 3a – 9b

Keep exploring plants

Red Campion 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 Lychnis genus — compare its care with other Lychnis species on PlantoScan.

Lychnis is part of the Caryophyllaceae plant family — browse all Caryophyllaceae genera and species.

Red Campion thrives in bright light and direct sun — see other bright-light plants.

Related Plant Care Guides

Closely related plants with similar care requirements:

Sources

  • Scientific name & taxonomy: Lychnis dioecia Mill., family Caryophyllaceae (first published in Gard. Dict. ed. 8 , Errat.: n.º 3 (1768)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Red Campion, 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 3a – 9b, 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.

PlantoScan app icon

Identify Plants Like the
Red Campion 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