Comospermum yedoense Plant Care
Comospermum yedoense (Maxim. ex Franch. & Sav.) Rauschert
Updated · Sources · How we source care data
Comospermum is a genus of one species of flowering plant found in southern Japan. In the APG III classification system, it is placed in the family Asparagaceae, subfamily Convallarioideae.
Every 7–10 days
Bright indirect light
65–75°F
50–70%
At a glance
How do you care for Comospermum yedoense?
Water Comospermum yedoense 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 50–70% humidity. Fertilize it every 6 months during the growing season.
Where Is the Comospermum yedoense Native To?
What Is the Comospermum yedoense?
Comospermum yedoense (Comospermum yedoense) belongs to the Asparagaceae family within the Comospermum genus. Comospermum yedoense is native to southern Japan.
Comospermum yedoense displays a clumping perennial herb growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Comospermum yedoense produces small white or pink star-shaped flowers in clusters.
Leaf size: approximately 6 inches.
How Often Should You Water a Comospermum yedoense?
Comospermum yedoense 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 Comospermum yedoense Need?
Comospermum yedoense thrives in bright indirect light. Avoid placing Comospermum yedoense in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect light
What Temperature and Humidity Does the Comospermum yedoense Prefer?
Comospermum yedoense grows best at temperatures of 65–75°F. Comospermum yedoense prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
65–75°F
Humidity
50–70%
What Soil Mix Works Best for a Comospermum yedoense?
Well-draining sandy soil with added organic matter for moisture retention. Good drainage is essential for Comospermum yedoense to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Comospermum yedoense?
Feed Comospermum yedoense 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 Comospermum yedoense?
Repot every 2-3 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 Comospermum yedoense?
Comospermum yedoense can be propagated through seeds, division of offsets.
Is the Comospermum yedoense Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Comospermum yedoense, 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 Comospermum yedoense?
Comospermum yedoense 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 Comospermum yedoense Need?
Comospermum yedoense grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Comospermum yedoense is native to southern Japan. In cooler regions, grow Comospermum yedoense as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13b
Keep exploring plants
Comospermum yedoense 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 Comospermum genus — compare its care with other Comospermum species on PlantoScan.
Comospermum is part of the Asparagaceae plant family — browse all Asparagaceae genera and species.
Comospermum yedoense 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: Comospermum yedoense (Maxim. ex Franch. & Sav.) Rauschert, family Asparagaceae (first published in Taxon 31: 560 (1982)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Comospermum yedoense, 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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