Blasia pusilla Plant Care

Blasia pusilla L.

Updated · Sources · How we source care data

Blasia pusilla is the only species in the liverwort genus Blasia. This species establishes a symbiosis with nitrogen-fixing cyanobacteria of the genus Nostoc, which are housed in special cavities, called auricles, occurring on the ventral (underside) surface of the thallus.

Water

Every 3–5 days

Light

Low to medium indirect light

Temp

60–75°F

Humidity

50–70%

At a glance

How do you care for Blasia pusilla?

Water Blasia pusilla every 3–5 days, letting the top layer of soil dry out between waterings, and give it low to medium indirect light. It prefers temperatures of 60–75°F (16–24°C) and 50–70% humidity. Fertilize it every 8 months during the growing season.

What Is the Blasia pusilla?

Blasia pusilla (Blasia pusilla) belongs to the Blasiaceae family within the Blasia genus.

Blasia pusilla displays a low rosette, creeping growth habit, reaching up to 0.1 ft tall with a spread of approximately 0.2 ft. Blasia pusilla produces small inconspicuous flowers.

Leaf size: approximately 0.5 inches.

How Often Should You Water a Blasia pusilla?

Blasia pusilla requires watering every 3–5 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 3–5 days

Let soil partially dry between waterings

What Light Does the Blasia pusilla Need?

Blasia pusilla thrives in low to medium indirect light. The optimal light range is 50–200 lux. Avoid placing Blasia pusilla in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Low to medium indirect light

50–200 lux

What Temperature and Humidity Does the Blasia pusilla Prefer?

Blasia pusilla grows best at temperatures of 60–75°F. Blasia pusilla prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Temperature

60–75°F

Humidity

50–70%

What Soil Mix Works Best for a Blasia pusilla?

Moist, well-draining peat-based soil mix. Good drainage is essential for Blasia pusilla to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Blasia pusilla?

Feed Blasia pusilla every 8 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 8 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 Blasia pusilla?

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 Blasia pusilla?

Blasia pusilla can be propagated through spores.

Is the Blasia pusilla Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Blasia pusilla, 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 Blasia pusilla?

Blasia pusilla is susceptible to 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 Blasia pusilla Need?

Blasia pusilla grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. In cooler regions, grow Blasia pusilla as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13a

Keep exploring plants

Blasia pusilla 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 Blasia genus — compare its care with other Blasia species on PlantoScan.

Blasia is part of the Blasiaceae plant family — browse all Blasiaceae genera and species.

Blasia pusilla copes with lower light than most plants — browse the full list of low-light plants.

Related Plant Care Guides

Closely related plants with similar care requirements:

Sources

  • Scientific name & taxonomy: Blasia pusilla L., family Blasiaceae (first published in Sp. Pl. 1138 1753) — World Flora Online record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Blasia pusilla, 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 13a, 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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