Cushion Dionysia Plant Care
Dionysia aretioides (Lehm.) Boiss.
Updated · Sources · How we source care data
Dionysia aretioides, the aretioid dionysia, is a species of flowering plant in the genus Dionysia within the family Primulaceae, native to the central Alborz mountains of northern Iran. It has gained the Royal Horticultural Society's Award of Garden Merit.
Every 7–10 days
Bright indirect light
50–75°F
50–70%
At a glance
How do you care for Cushion Dionysia?
Water Cushion Dionysia every 7–10 days, letting the top layer of soil dry out between waterings, and give it bright indirect light. It prefers temperatures of 50–75°F (10–24°C) and 50–70% humidity. Fertilize it every 6 months during the growing season.
Where Is the Cushion Dionysia Native To?
What Is the Cushion Dionysia?
Cushion Dionysia (Dionysia aretioides) belongs to the Primulaceae family within the Dionysia genus. Cushion Dionysia is native to the central Alborz mountains of northern Iran.
Cushion Dionysia displays a low rosette, compact mat-forming growth habit, reaching up to 0.1 ft tall with a spread of approximately 0.5 ft. Cushion Dionysia produces small, star-shaped flowers in shades of pink, purple, or white.
Leaf size: approximately 0.5 inches.
How Often Should You Water a Cushion Dionysia?
Dionysia aretioides 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 Cushion Dionysia Need?
Cushion Dionysia thrives in bright indirect light. Avoid placing Cushion Dionysia in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect light
What Temperature and Humidity Does the Cushion Dionysia Prefer?
Dionysia aretioides grows best at temperatures of 50–75°F. Cushion Dionysia prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
50–75°F
Humidity
50–70%
What Soil Mix Works Best for a Cushion Dionysia?
Well-draining soil mix with high organic content, such as a blend of peat moss, perlite, and coarse sand. Good drainage is essential for Cushion Dionysia to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Cushion Dionysia?
Feed Cushion Dionysia 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 Cushion Dionysia?
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 Cushion Dionysia?
Cushion Dionysia can be propagated through seeds, division of offsets, leaf cuttings.
Is the Cushion Dionysia Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Cushion Dionysia, 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 Cushion Dionysia?
Cushion Dionysia is susceptible to aphids, spider mites, mealybugs. 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 Cushion Dionysia Need?
Cushion Dionysia grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Cushion Dionysia is native to the central Alborz mountains of northern Iran. In cooler regions, grow Cushion Dionysia as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Cushion Dionysia 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 Dionysia genus — compare its care with other Dionysia species on PlantoScan.
Dionysia is part of the Primulaceae plant family — browse all Primulaceae genera and species.
Cushion Dionysia 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: Dionysia aretioides (Lehm.) Boiss., family Primulaceae (first published in Diagn. Pl. Orient. 7: 68 (1846)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Cushion Dionysia, 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 12a, 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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