Siberian Iris Iris 'Annemarie Troeger' (Sib)

☠ Toxic to humans
🐾 Toxic to pets
🌸 Blooming
🍪 Not edible
‍🌱 Easy-care
Siberian iris 'Annemarie Troeger'


The Iris 'Annemarie Troeger' is a striking variety characterized by its elegant and ornate flowers. These blooms often display a rich color palette, typically presenting in shades that can range from deep violets to softer lavender hues. The petals have a velvety texture and are known for their defined shapes, with the falls (the downward-curving petals) often having a contrasting lighter edging or intricate veining that adds to their visual interest. Furthermore, the standards (the upright petals) of the Iris 'Annemarie Troeger' are slightly lighter in color than the falls, creating a pleasing contrast that highlights the architectural form of the flower. In the center of the blooms, the beards – which are fuzzy, caterpillar-like extensions – often boast a bold color that can be golden, white, or orange, adding an additional pop of color that attracts pollinators. The foliage of this Iris variety is made up of long, slender leaves that have a sword-like appearance, and a bright green color, forming attractive clumps that provide a lush backdrop to the striking flowers. The leaves have a slightly arching habit and arise from thick rhizomes that spread horizontally just below the soil surface. Overall, the appearance of Iris 'Annemarie Troeger' is one of classic Iris beauty, with dramatic flowers that can become the focal point of any garden display where color and form are celebrated. The elegant floral display and contrasting petal colors make it a beloved choice for garden enthusiasts who appreciate the intricate beauty of these springtime bloomers.

Plant Info
Common Problems

About this plant

  • memoNames

    • Family


    • Synonyms

      Siberian Iris

    • Common names

      Iris 'Annemarie Troeger'

  • skullToxicity

    • To humans

      Siberian iris, including the variety 'Annemarie Troeger', is considered mildly toxic to humans if ingested. The rhizomes contain irisin, iridin, or irisine which can cause gastrointestinal discomfort such as nausea, vomiting, abdominal pain, and diarrhea. Handling the plant may also cause skin irritation or allergic reactions in some individuals. Ingesting significant amounts of any part of these plants is not advisable and can lead to more severe symptoms that could require medical attention.

    • To pets

      Siberian iris, often referred to simply as iris, can be toxic to pets if ingested. The plant contains compounds such as irisin, iridin, or irisine, particularly in the rhizomes, which can result in symptoms like drooling, vomiting, diarrhea, lethargy, and abdominal pain. It's important to prevent pets from accessing and consuming any part of the plant. If ingestion occurs, prompt veterinary attention is recommended to manage the symptoms and ensure the pet's well-being.

  • infoCharacteristics

    • Life cycle


    • Foliage type


    • Color of leaves


    • Flower color


    • Height

      2-3 feet (61-91 cm)

    • Spread

      1-2 feet (30-61 cm)

    • Plant type


    • Hardiness zones


    • Native area

      Temperate Northern Hemisphere


  • money-bagGeneral Benefits

    • Beautification: Adds aesthetic appeal to gardens with its delicate blooms and striking coloration.
    • Pollinator attraction: Attracts bees, butterflies, and other beneficial insects that aid in pollination.
    • Ease of care: Known for being low maintenance, requiring minimal care once established.
    • Cold hardiness: Can withstand cold climates, making it suitable for a variety of gardening zones.
    • Drought tolerance: Once established, it can tolerate periods of drought with minimal impact.
    • Long blooming period: Provides a lengthy display of flowers in late spring to early summer.
    • Versatility in landscaping: Can be used in borders, as focal points, or in mass plantings for greater impact.
    • Wildlife habitat: Offers shelter and food for wildlife, supporting local ecosystems.

  • 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

    • The rhizomes of Siberian Irises like 'Annemarie Troeger' can be used for natural dyes. The roots can produce colors that vary from soft greens to rich yellows depending on the mordant used.
    • Iris fibers, particularly from the leaves, can be used in paper making to create a unique textured paper that is strong and durable due to the long fibers in the leaves.
    • Dried Iris plants, including the 'Annemarie Troeger' variety, can be included in potpourri for their subtle scent and aesthetic appeal.
    • The sturdy leaves of the Siberian Iris can be woven into baskets, with their long, strong leaves making them suitable for creating decorative and functional items.
    • Garden designers often use Siberian Irises like 'Annemarie Troeger' to stabilize soil in sloped areas, as their root systems help prevent erosion.
    • Siberian Iris, when planted in densely packed configurations, can be used as a living fence or natural privacy screen during the blooming season.
    • The seed pods of Siberian Iris add an interesting aesthetic to dried floral arrangements, providing an architectural element to the design.
    • The structural form of 'Annemarie Troeger' Siberian Irises can be photographed and used as subjects in fine art photography, utilizing the beauty of their shape and color.
    • The flowers of the Siberian Iris can be pressed and used in the craft of making botanical prints or for ornamentation on cards and other paper-based art.
    • In a wildlife-friendly garden, Siberian Irises like 'Annemarie Troeger' can support local ecosystems by providing habitat for beneficial insects and sometimes even small birds that may nest among the leaves.

Interesting Facts

  • bedFeng Shui

    The Siberian Iris is not used in Feng Shui practice.

  • aquariusZodiac Sign Compitability

    The Siberian Iris is not used in astrology practice.

  • spiralPlant Symbolism

    • Hope: The Iris generally symbolizes hope, reflecting a sense of expectation and belief in positive outcomes.
    • Wisdom: Often associated with wisdom, the Iris is thought to convey messages of knowledge and intelligence.
    • Purity: The elegant appearance and clear colors of the Iris can symbolize purity and innocence.
    • Courage: In some contexts, the Iris represents courage, inspired by its bold presence in the garden.
    • Royalty: The regal stance and rich hues of the Iris can signify royalty and nobility.

Every 7-10 days
2500 - 10000 Lux
Every 3-4 years
Spring-Early Summer
As needed
  • water dropWater

    The Siberian Iris 'Annemarie Troeger' should be watered deeply to encourage root growth, providing about an inch of water each week, which translates to about 0.6 gallons per square yard of soil. During the growing season, ensure that the soil stays consistently moist, but not waterlogged. If rainfall is scarce, supplemental watering may be necessary. In hot, dry periods, you may need to water twice a week. Always water at the base of the plant to avoid wetting the foliage, which can lead to disease.

  • sunLight

    Siberian Iris 'Annemarie Troeger' thrives best in full sun to partial shade conditions. An ideal spot is one where it can receive at least six hours of direct sunlight daily, although it can tolerate some light afternoon shade. Ensure the plant is not overshadowed by larger plants to achieve optimal growth and flower production.

  • thermometerTemperature

    Siberian Iris 'Annemarie Troeger' is cold hardy and can tolerate winter lows down to about -30 degrees Fahrenheit, making it suitable for many temperate climates. The ideal growing temperatures for Siberian Iris range between 68 to 75 degrees Fahrenheit during the day. They can survive summer highs up to 90 degrees Fahrenheit but should be protected from extreme heat.

  • scissorsPruning

    Prune Siberian Iris 'Annemarie Troeger' by removing spent flower stems after blooming to promote a tidy appearance and prevent seed development, which can divert energy from next year's growth. In late fall or early winter, cut back the foliage to within a few inches of the ground. This yearly maintenance helps prevent disease and encourages vigorous spring growth.

  • broomCleaning

    As needed

  • bambooSoil

    Siberian Iris 'Annemarie Troeger' thrives in rich, well-drained soil with a pH of slightly acidic to neutral (pH 6.5 to 7). A soil mix consisting of loam, compost, and a small amount of sand or perlite is ideal to ensure proper drainage and fertility. Regularly amending the soil with organic matter can help maintain its quality over time.

  • plantRepotting

    Siberian Iris 'Annemarie Troeger' typically does not need frequent repotting and can be left undisturbed for several years. They should only be repotted or divided every 3 to 5 years, preferably in the late summer after flowering, to manage their size and promote vigorous growth.

  • water dropsHumidity & Misting

    The Siberian Iris 'Annemarie Troeger' is adaptable to a wide range of humidity levels but prefers average to high humidity environments. It does not require any special humidity considerations when grown outdoors in its suitable hardiness zones.

  • pinSuitable locations

    • Indoor

      Place in bright light, ensure good air circulation.

    • Outdoor

      Full sun to part shade, moist well-draining soil.

    • Hardiness zone

      3-8 USDA.

  • circleLife cycle

    Iris 'Annemarie Troeger', commonly known as Siberian Iris, begins its life cycle as a seed that germinates in late winter to early spring, given the appropriate moist and cold conditions for stratification. Upon emergence, the seedlings develop into juvenile plants, growing characteristic grass-like leaves and establishing a strong root system. In the following years, as the plants mature, they form robust clumps with increased foliage and begin to produce flower stalks, typically blooming in late spring to early summer with elegant blue to violet flowers. After blooming, the flowers give way to seed pods that eventually dry and release seeds, continuing the cycle. In the meantime, the plant's rhizomes may also spread out, giving rise to new offsets that will grow into individual plants, contributing to the clonal expansion of the iris. During the winter, the foliage may die back, especially in colder climates, but the rhizomes persist, ready to regrow when the conditions become favorable in the following spring.

  • sproutPropogation

    • Propogation time

      Spring-Early Summer

    • The Iris 'Annemarie Troeger', commonly referred to as a Siberian Iris, is best propagated by division of its rhizomes. This is typically done in late summer after the blooming period has finished, when the plant's growth starts to slow down. To propagate the Siberian Iris, carefully lift the clump from the ground and use a sharp, clean knife or spade to slice through the rhizomes, making sure each division has at least one fan of leaves and a portion of the root system. Replant the divisions at the same depth they were previously growing, ensuring good soil contact and water well to establish. This method enables the divided plants to recover from the shock of division and root well before the onset of winter, providing a strong start for the following growing season.