Corsican Squill Plant Care

Prospero corsicum (Boullu) J.-M.Tison

Updated · Sources · How we source care data

Prospero corsicum is an autumnal flowering plant of the family Asparagaceae, subfamily Scilloideae found in Corsica in France and Sardinia in Italy. It is a diploid species in the Prospero autumnale cryptic species complex.

🪴Houseplants🌼Perennials
Water

Every 7–10 days

Light

Bright indirect light

Temp

65–75°F

Humidity

40–60%

At a glance

How do you care for Corsican Squill?

Water Corsican Squill every 7–10 days, letting the top layer of soil dry out between waterings, and give it bright indirect light. It prefers temperatures of 65–75°F (18–24°C) and 40–60% humidity. Fertilize it every 6 months during the growing season.

Where Is the Corsican Squill Native To?

Native range2 countries

What Is the Corsican Squill?

Corsican Squill (Prospero corsicum) belongs to the Asparagaceae family within the Prospero genus. Corsican Squill is native to Corsica in France and Sardinia in Italy.

Corsican Squill displays a clumping perennial herb growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Corsican Squill produces small white or pink bell-shaped flowers in clusters.

Leaf size: approximately 6 inches.

How Often Should You Water a Corsican Squill?

Prospero corsicum 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 Corsican Squill Need?

Corsican Squill thrives in bright indirect light. Avoid placing Corsican Squill in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Bright indirect light

What Temperature and Humidity Does the Corsican Squill Prefer?

Prospero corsicum grows best at temperatures of 65–75°F. Corsican Squill prefers humidity levels of 40–60%.

Temperature

65–75°F

Humidity

40–60%

What Soil Mix Works Best for a Corsican Squill?

Well-draining sandy soil with added peat moss and perlite. Good drainage is essential for Corsican Squill to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Corsican Squill?

Feed Corsican Squill 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 Corsican Squill?

Repot every 1-2 years in 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 Corsican Squill?

Corsican Squill can be propagated through division, offsets, seeds.

Is the Corsican Squill Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Corsican Squill, 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 Corsican Squill?

Corsican Squill is susceptible to spider mites, mealybugs, scale insects. 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 Corsican Squill Need?

Corsican Squill grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Corsican Squill is native to Corsica in France and Sardinia in Italy. In cooler regions, grow Corsican Squill as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13b

Keep exploring plants

Corsican Squill 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 Prospero genus — compare its care with other Prospero species on PlantoScan.

Prospero is part of the Asparagaceae plant family — browse all Asparagaceae genera and species.

Corsican Squill 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: Prospero corsicum (Boullu) J.-M.Tison, family Asparagaceae (first published in Candollea 61: 100 (2006)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Corsican Squill, 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 13b, 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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