Swedish Catchfly (Silene suecica)

Photo: Karsten RohwederCC BY 4.0via iNaturalistresized / cropped

Swedish Catchfly Plant Care

Silene suecica (Lodd.) Greuter & Burdet

Updated · Sources · How we source care data

Silene suecica, also known as Swedish catchfly, is a charming plant with bright pink flowers that stand out against its narrow green leaves. This plant is native to Sweden and can be found in rocky habitats, making it a popular choice among rock garden enthusiasts.

Water

Every 3–7 days

Light

Full sun to partial shade

Temp

50–75°F

Humidity

40–60%

At a glance

How do you care for Swedish Catchfly?

Water Swedish Catchfly every 3–7 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 month during the growing season.

Where Is the Swedish Catchfly Native To?

Native range4 countries

What Is the Swedish Catchfly?

Swedish Catchfly (Silene suecica) belongs to the Caryophyllaceae family within the Silene genus. Swedish Catchfly is native to the Alps and the Pyrenees, Greenland and North America.

Swedish Catchfly displays a low rosette, spreading growth habit, reaching up to tall with a spread of approximately . Swedish Catchfly produces small, star-shaped flowers in various colors.

Leaf size: approximately 2 inches.

How Often Should You Water a Swedish Catchfly?

Silene suecica requires watering every 3–7 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 3–7 days

Let soil partially dry between waterings

What Light Does the Swedish Catchfly Need?

Swedish Catchfly thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Swedish Catchfly Prefer?

Silene suecica grows best at temperatures of 50–75°F. Swedish Catchfly prefers humidity levels of 40–60%.

Temperature

50–75°F

Humidity

40–60%

What Soil Mix Works Best for a Swedish Catchfly?

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

How Often Should You Fertilize a Swedish Catchfly?

Feed Swedish Catchfly every month 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 month

During the growing season

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

How Do You Repot a Swedish Catchfly?

Repot every 1-2 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 Swedish Catchfly?

Swedish Catchfly can be propagated through seeds, division. Similar propagation techniques also apply to alpine catchfly plant care, which shares the same genus.

Is the Swedish Catchfly Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Swedish Catchfly, 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 Swedish Catchfly?

Swedish Catchfly is susceptible to aphids, spider mites, leaf miners. 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 Swedish Catchfly Need?

Swedish Catchfly grows outdoors in USDA Zone 3a – 7b. It survives winters down to planting zone 3a. Swedish Catchfly is native to the Alps and the Pyrenees, Greenland and North America.

Hardiness Zone

Zone 3a – 7b

Keep exploring plants

Swedish Catchfly 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 Silene genus — compare its care with other Silene species on PlantoScan.

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

Swedish Catchfly thrives in bright light and direct sun — see other bright-light plants.

More Silene Species

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

Sources

  • Scientific name & taxonomy: Silene suecica (Lodd.) Greuter & Burdet, family Caryophyllaceae (first published in Willdenowia 12: 190 (1982)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Swedish Catchfly, 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.
  • Photo: Karsten Rohweder, CC BY 4.0, iNaturalist — original.
  • Hardiness zone: USDA Zone 3a – 7b, 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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