Costesia spongiosa Plant Care
Costesia spongiosa Thér.
Updated · Sources · How we source care data
Costesia is a genus of moss in the family Gigaspermaceae. The genus contains a single species Costesia spongiosa known only from South America,
Every 6–8 days
Partial shade to dappled sunlight
60–75°F
50–70%
At a glance
How do you care for Costesia spongiosa?
Water Costesia spongiosa every 6–8 days, letting the top layer of soil dry out between waterings, and give it partial shade to dappled sunlight. It prefers temperatures of 60–75°F (16–24°C) and 50–70% humidity. Fertilize it every 6 months during the growing season.
What Is the Costesia spongiosa?
Costesia spongiosa (Costesia spongiosa) belongs to the Gigaspermaceae family within the Costesia genus.
Costesia spongiosa displays a clumping perennial herb growth habit, reaching up to 1.5 ft tall with a spread of approximately 1.5 ft. Costesia spongiosa produces small, delicate white flowers in clusters.
Leaf size: approximately 4 inches.
How Often Should You Water a Costesia spongiosa?
Costesia spongiosa requires watering every 6–8 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 6–8 days
Let soil partially dry between waterings
What Light Does the Costesia spongiosa Need?
Costesia spongiosa thrives in partial shade to dappled sunlight. Avoid placing Costesia spongiosa in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Partial shade to dappled sunlight
What Temperature and Humidity Does the Costesia spongiosa Prefer?
Costesia spongiosa grows best at temperatures of 60–75°F. Costesia spongiosa 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 Costesia spongiosa?
Well-draining loamy soil with added organic matter for moisture retention. Good drainage is essential for Costesia spongiosa to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Costesia spongiosa?
Feed Costesia spongiosa 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 Costesia spongiosa?
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 Costesia spongiosa?
Costesia spongiosa can be propagated through division, offsets, seeds.
Is the Costesia spongiosa Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Costesia spongiosa, 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 Costesia spongiosa?
Costesia spongiosa is susceptible to aphids, spider mites, whiteflies. 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 Costesia spongiosa Need?
Costesia spongiosa grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. In cooler regions, grow Costesia spongiosa as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Costesia spongiosa 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 Costesia genus — compare its care with other Costesia species on PlantoScan.
Costesia is part of the Gigaspermaceae plant family — browse all Gigaspermaceae genera and species.
Costesia spongiosa produces blooms — browse other flowering plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Costesia spongiosa Thér., family Gigaspermaceae (first published in Revista Chilena Hist. Nat. 21: 12. 3 1917) — World Flora Online record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Costesia spongiosa, 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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