Sulphur-flowered Mallow Plant Care
Acaulimalva sulphurea Krapov.
Updated · Sources · How we source care data
This plant is known for its distinctive sulfur-yellow flowers, which contrast beautifully with its dark green foliage. Originating from the Canary Islands, Acaulimalva sulphurea is highly sought after by plant collectors for its unique coloration and rare availability in cultivation. Its vibrant blooms and interesting foliage make it a standout addition to any collection.
Every 7–14 days
Full sun to partial shade
60–80°F
40–60%
At a glance
How do you care for Sulphur-flowered Mallow?
Water Sulphur-flowered Mallow every 7–14 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 60–80°F (16–27°C) and 40–60% humidity. Fertilize it every 2 months during the growing season.
What Is the Sulphur-flowered Mallow?
Sulphur-flowered Mallow (Acaulimalva sulphurea) belongs to the Malvaceae family within the Acaulimalva genus. Sulphur-flowered Mallow is native to Mediterranean region. Sulphur-flowered Mallow is also known as Acaulimalva sulfurica.
Sulphur-flowered Mallow displays a low mounding perennial growth habit, reaching up to 2 ft tall with a spread of approximately 1 ft. Sulphur-flowered Mallow produces small, colorful cup-shaped flowers in clusters.
Leaf size: approximately 4 inches.
How Often Should You Water a Sulphur-flowered Mallow?
Acaulimalva sulphurea requires watering every 7–14 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 7–14 days
Let soil partially dry between waterings
What Light Does the Sulphur-flowered Mallow Need?
Sulphur-flowered Mallow thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Sulphur-flowered Mallow Prefer?
Acaulimalva sulphurea grows best at temperatures of 60–80°F. Sulphur-flowered Mallow prefers humidity levels of 40–60%.
Temperature
60–80°F
Humidity
40–60%
What Soil Mix Works Best for a Sulphur-flowered Mallow?
Well-draining loamy soil with added compost for nutrients. Good drainage is essential for Sulphur-flowered Mallow to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Sulphur-flowered Mallow?
Feed Sulphur-flowered Mallow every 2 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 2 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 Sulphur-flowered Mallow?
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 Sulphur-flowered Mallow?
Sulphur-flowered Mallow can be propagated through seeds, stem cuttings. Similar propagation techniques also apply to mountain mallow plant care, which shares the same genus.
Is the Sulphur-flowered Mallow Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Sulphur-flowered Mallow, 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 Sulphur-flowered Mallow?
Sulphur-flowered Mallow 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.
Keep exploring plants
Sulphur-flowered Mallow 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 Acaulimalva genus — compare its care with other Acaulimalva species on PlantoScan.
Acaulimalva is part of the Malvaceae plant family — browse all Malvaceae genera and species.
Sulphur-flowered Mallow 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: Acaulimalva sulphurea Krapov., family Malvaceae (first published in Darwiniana 19: 34 (1974)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Sulphur-flowered Mallow, 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.
- 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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