Petrocosmea Petrocosmea iodioides

👤 Non-toxic to humans
🐾 Non-toxic to pets
🌸 Blooming
🍪 Not edible
‍🌱 Hard-care
violet petrocosmea


The plant in discussion is characterized by a rosette formation of leaves, which means the leaves spread out in a circular fashion from a central point, similar to the petals of a rose. The foliage tends to be lush and attractive, with individual leaves showcasing a soft, velvety texture that invites touch. The color of the leaves typically ranges from deep green to sometimes having hints of silvery or purple tones, depending on the light and growing conditions. The leaves themselves are often rounded or heart-shaped, with a slightly rippled or wavy edge, giving them a delicate appearance. They grow in overlapping layers, creating a dense and full-bodied look. Flowers of this plant emerge on slender, upright stalks that rise above the foliage. They are notable for their striking beauty and can come in shades of blue, violet, or purple. The flowers typically have a tubular shape with flared edges, resembling small, bright trumpets or bells that are visually appealing. These blooms can be quite enchanting when they appear, often attracting attention with their vivid colors set against the plant’s greenery. It is important to note that the flowers and leaves together contribute to the overall aesthetic appeal of the plant, making it a popular choice for decorative purposes in various indoor and outdoor settings. The visual charm of this plant lies in its compact yet lush foliage contrasted with the vibrant and delicate flowers it produces.

Plant Info
Common Problems

About this plant

  • memoNames

    • Family


    • Synonyms

      Unfortunately, there are no widely recognized common names for Petrocosmea iodioides; it is typically referred to by its scientific name.

    • Common names

      Petrocosmea iodioides

  • skullToxicity

    • To humans

      Petrocosmea iodioides, commonly known as Petrocosmea, is not widely known for its toxicity to humans. There is limited information available on the toxic properties of this plant, and it generally does not appear on lists of poisonous plants. However, as with many plants, it is possible that some individuals may experience an allergic reaction or skin irritation upon contact. Ingesting any part of the plant is not advisable, as it may cause gastrointestinal discomfort or other symptoms due to unknown compounds. It is important to note that the absence of reported toxicity does not guarantee that the plant is safe to consume. Always exercise caution and keep plants out of reach of children who may accidentally ingest plant parts.

    • To pets

      Petrocosmea iodioides, commonly known as Petrocosmea, is not commonly recognized as a toxic plant to pets such as cats and dogs. There is not much information regarding its toxic effects on animals, and it is not typically listed among plants that pose a significant risk to household pets. However, as with any non-food plant, the ingestion of Petrocosmea by pets could potentially lead to mild gastrointestinal upset, such as vomiting or diarrhea, especially if consumed in large quantities. To ensure pet safety, it is generally recommended to prevent pets from ingesting plants, as individual animals might have specific sensitivities or allergic reactions. If you suspect your pet has ingested any part of a plant and is showing signs of distress, it is best to consult with a veterinarian.

  • infoCharacteristics

    • Life cycle


    • Foliage type


    • Color of leaves


    • Flower color


    • Height

      0.5 feet (15 cm)

    • Spread

      0.5 feet (15 cm)

    • Plant type


    • Hardiness zones


    • Native area



  • money-bagGeneral Benefits

    • Ornamental Value: Petrocosmea iodioides is admired for its rosette-forming foliage and attractive flowers, making it a popular choice for ornamental indoor gardening.
    • Low Maintenance: This plant requires minimal care, making it suitable for busy individuals or those new to gardening.
    • Adaptability: Petrocosmea iodioides can adapt to a variety of indoor environments, which allows it to thrive in different home settings.
    • Compact Size: Its small size makes it ideal for windowsills, desks, and other small spaces.
    • Seasonal Interest: It flowers at specific times of the year, providing seasonal interest in a plant collection.

  • medicalMedical Properties

    This plant is not used for medical purposes.

  • windAir-purifying Qualities

    This plant is not specifically known for air purifying qualities.

  • leavesOther Uses

    • Petrocosmea iodioides, also known as "Chinese African Violet", can be used in terrariums or vivariums due to its small size and high humidity tolerance, offering a lush, green background.
    • This plant can be used in miniature gardens and fairy gardens as its compact form fits well with the scale making it ideal for creating a fantastical miniature landscape.
    • Petrocosmea iodioides may be used as a living gift or token of appreciation, symbolizing friendship and care due to its charming appearance.
    • Enthusiasts might grow this plant for horticultural competition, focusing on achieving perfect rosettes or showcasing its delicate flowers.
    • The Chinese African Violet, with its attractive foliage, is used as a subject in botanical illustration and plant photography, enhancing artistic projects.
    • It can be used in educational settings to demonstrate the life cycle of plants, due to its relatively quick flowering time and ease of growth indoors.
    • This plant is sometimes used in weddings and celebrations as part of botanical table centerpieces, adding a touch of natural elegance to decor.
    • It can serve as an interesting plant for children's gardens, being non-toxic and easy to care for, it provides an opportunity for kids to learn about plant growth.
    • Breeders use Petrocosmea iodioides to create hybrids, aiming to produce new varieties with unique flowers or foliage characteristics.
    • The aesthetic appeal of the plant's leaves and flowers can be utilized in art installations, bringing a component of living nature into a creative exhibit.

Interesting Facts

  • bedFeng Shui

    The Petrocosmea is not used in Feng Shui practice.

  • aquariusZodiac Sign Compitability

    The Petrocosmea is not used in astrology practice.

  • spiralPlant Symbolism

    • Rarity: Petrocosmea iodioides is not widely known or common, thus it may represent the uniqueness or rare beauty in something or someone.
    • Delicacy: With its delicate foliage and subtle flowers, it symbolizes the beauty and value found in delicate or fragile entities.

Every 7-10 days
2500 - 10000 Lux
Every year
Spring-Early Summer
As needed
  • water dropWater

    Chinese Fringe Flower plants should be watered thoroughly, allowing the water to run through the drainage holes at the bottom of the pot. This should be done when the top inch of the soil feels dry to the touch, which typically amounts to once a week, but frequency can be less during winter months. Use lukewarm water, ensuring you provide enough so that it reaches the deeper roots, which might be around 1 gallon for an average-sized indoor plant. Avoid overwatering, as this can lead to root rot, as well as underwatering, which can dry out the plant.

  • sunLight

    Chinese Fringe Flower plants thrive in bright, indirect light, avoiding direct sunlight that can scorch its leaves. They perform best in an east or west-facing window where they receive some morning or evening sunlight but are protected from the harsh afternoon rays. Adequate light is crucial for flowering and overall health, so if natural light is insufficient, consider supplementing with grow lights.

  • thermometerTemperature

    Chinese Fringe Flower plants prefer a temperature range between 60 and 75 degrees Fahrenheit, avoiding drastic temperature swings. They can survive a minimum of 50 degrees Fahrenheit and should be protected from temperatures above 80 degrees Fahrenheit, as excessively hot or cold temperatures can stress the plant. The ideal conditions include a consistently warm environment with good air circulation but no direct drafts.

  • scissorsPruning

    Prune Chinese Fringe Flower plants to maintain their shape and encourage bushier growth. Light pruning can be done throughout the year to remove any dead or yellowing leaves, but the best time for heavier pruning is in early spring before new growth begins. This can be done once a year or as needed when the plant becomes leggy or overgrown. Use clean, sharp shears to make precise cuts without damaging the plant.

  • broomCleaning

    As needed

  • bambooSoil

    Petrocosmea iodioides, commonly known as Rosulate Violet, thrives in a well-draining soil mix with a pH of 6.1 to 6.5. A suitable blend consists of 1 part sphagnum peat moss, 1 part perlite, and 1 part fine bark chips. Ensure the soil remains lightly moist but never soggy to avoid root rot.

  • plantRepotting

    Rosulate Violet should be repotted every 1 to 2 years to ensure the soil remains fresh and to accommodate root growth. This frequency of repotting helps maintain the plant's health and vigor.

  • water dropsHumidity & Misting

    Rosulate Violet prefers a high humidity environment, ideally between 60% to 80%. They thrive in conditions that mimic their native habitat, which is typically moist and humid.

  • pinSuitable locations

    • Indoor

      Place in bright, indirect light with high humidity.

    • Outdoor

      Protect from direct sun, ensure high humidity and shade.

    • Hardiness zone

      10-11 USDA

  • circleLife cycle

    Petrocosmea iodioides, commonly known as Chinese Summer Forget-Me-Not, begins its life cycle when seeds germinate in moist, well-draining soil and warm conditions, emerging as seedlings with their first set of true leaves. As the seedlings mature, they develop into rosette-forming perennials with hairy, rounded leaves and a compact growth habit. The plant enters a vegetative stage, where it focuses on leaf and root development to establish itself. After reaching maturity, Petrocosmea iodioides produces small, tubular flowers that can vary in color, typically blue or violet, attracting pollinators for sexual reproduction. Following pollination, the plant sets seeds, which, when dispersed, can initiate new growth cycles in appropriate conditions. Over time, older plants may decline, but with proper care, they can live for several years, completing multiple flowering and seeding cycles within their lifespan.

  • sproutPropogation

    • Propogation time

      Spring-Early Summer

    • Propogation: The most popular method of propagating Petrocosmea iodioides, commonly known as Rosulate Violet, is by leaf cuttings. This can be done by selecting a healthy, mature leaf and cutting it at the petiole with a sharp, sterilized knife or scissors. The leaf cutting should be inserted into a mixture of moistened peat and perlite, ensuring that the cut end is buried just below the surface. The pot should be placed in a warm area with bright, indirect light and covered with a plastic bag to maintain humidity. Roots typically develop within a few weeks, after which the new plant can be transferred to its own pot with standard potting mix.