Riccia cavernosa Plant Care
Riccia cavernosa Hoffm.
Updated · Sources · How we source care data
Riccia cavernosa, also known as cavernous crystalwort, is a species of liverwort which belongs to the family Ricciaceae.
Every 3–5 days
Bright indirect light
65–75°F
60–80%
At a glance
How do you care for Riccia cavernosa?
Water Riccia cavernosa every 3–5 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 60–80% humidity. Fertilize it every 6 months during the growing season.
What Is the Riccia cavernosa?
Riccia cavernosa (Riccia cavernosa) belongs to the Ricciaceae family within the Riccia genus.
Riccia cavernosa displays a low mat-forming growth habit, reaching up to 0.1 ft tall with a spread of approximately 0.5 ft. Riccia cavernosa produces non-flowering.
Leaf size: approximately 0.2 inches.
How Often Should You Water a Riccia cavernosa?
Riccia cavernosa 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 Riccia cavernosa Need?
Riccia cavernosa thrives in bright indirect light. Avoid placing Riccia cavernosa in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect light
What Temperature and Humidity Does the Riccia cavernosa Prefer?
Riccia cavernosa grows best at temperatures of 65–75°F. Riccia cavernosa prefers humidity levels of 60–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
65–75°F
Humidity
60–80%
What Soil Mix Works Best for a Riccia cavernosa?
Moist, well-draining soil with high organic matter content. Good drainage is essential for Riccia cavernosa to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Riccia cavernosa?
Feed Riccia cavernosa 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 Riccia cavernosa?
Can be left undisturbed for long periods. 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 Riccia cavernosa?
Riccia cavernosa can be propagated through spores. Similar propagation techniques also apply to atlantic crystalwort plant care, which shares the same genus.
Is the Riccia cavernosa Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Riccia cavernosa, 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 Riccia cavernosa?
Riccia cavernosa is susceptible to generally pest-free. 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 Riccia cavernosa Need?
Riccia cavernosa grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. In cooler regions, grow Riccia cavernosa as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13b
Keep exploring plants
Riccia cavernosa 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 Riccia genus — compare its care with other Riccia species on PlantoScan.
Riccia is part of the Ricciaceae plant family — browse all Ricciaceae genera and species.
Riccia cavernosa 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: Riccia cavernosa Hoffm., family Ricciaceae (first published in Deutschl. Fl. 2: 95 1796) — World Flora Online record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Riccia cavernosa, 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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