Blue Pimpernel Anagallis monellii

☠ Toxic to humans
🐾 Toxic to pets
🌸 Blooming
🍪 Not edible
‍🌱 Easy-care
blue pimpernel


Anagallis monellii, commonly known as blue pimpernel, is a charming and vibrant plant known for its appealing aesthetic. This plant boasts a lush green backdrop formed by its narrow, oval to lance-shaped leaves, which set the stage for a striking floral display. The flowers emerge with a radiance, typically presenting themselves in a brilliant shade of blue, though some variations can exhibit blooms in shades of pink and lavender. Each flower is a five-petaled wonder, often with a darker blue or violet eye at the center that adds depth and contrast. The petals of the blue pimpernel are distinct, with fine, delicate edges that lend a frilled appearance. These ornamental flowers open under the warmth of the sun, typically unfurling in the morning and closing again in the afternoon or during overcast weather, displaying a captivating daily rhythm that enhances their allure. The plant's overall structure is somewhat sprawling with a tendency to spread, creating a dense mat of foliage and color that serves well as groundcover or an embellishment in garden beds and borders. The blue pimpernel's beauty is further accentuated when it bears its fruit, which is a tiny capsule containing seeds. Although the fruit is not its main attraction, it does complete the plant's life cycle and enables it to self-seed, ensuring its presence in the garden year after year. All of these characteristics come together to form a plant that is as visually striking as it is resilient, making the blue pimpernel a beloved feature in many gardens.

Plant Info
Common Problems

About this plant

  • memoNames

    • Family


    • Synonyms

      Blue Pimpernel, Trailing Pimpernel

    • Common names

      Anagallis linifolia, Anagallis monelli.

  • skullToxicity

    • To humans

      The Blue Pimpernel is considered to be mildly toxic to humans. If ingested, it can cause gastrointestinal distress such as nausea, vomiting, and diarrhea. It is important to avoid consuming any part of this plant to prevent these symptoms and potential health complications.

    • To pets

      The Blue Pimpernel is also toxic to pets. If animals ingest this plant, they may exhibit symptoms similar to those in humans, including vomiting, diarrhea, and possibly drooling or signs of nausea. Ingestion should be avoided to prevent these adverse health effects in pets. Always consult a veterinarian if you suspect your pet has ingested this plant.

  • infoCharacteristics

    • Life cycle


    • Foliage type


    • Color of leaves


    • Flower color


    • Height

      0.5 feet (15 cm)

    • Spread

      1 feet (30 cm)

    • Plant type


    • Hardiness zones


    • Native area



  • money-bagGeneral Benefits

    • Ornamental appeal: Anagallis monellii, commonly known as blue pimpernel, produces bright blue flowers that add vibrant color to gardens and outdoor spaces.
    • Ground cover: Its low-growing, spreading habit makes it an excellent ground cover that can fill in bare spots and suppress weeds.
    • Attracts pollinators: The flowers of the blue pimpernel can attract butterflies and bees, supporting local ecosystems.
    • Easy to grow: Blue pimpernel is known for being easy to care for, requiring minimal maintenance, which is ideal for beginner gardeners.
    • Drought-tolerant: Once established, it has a good tolerance for drought, making it suitable for xeriscaping and water-efficient gardens.
    • Container gardening: Due to its compact size, it is well-suited for container gardening, allowing those with limited space to enjoy its beauty.
    • Full sun adaptation: It thrives in full sun conditions, making it a great choice for sunny garden beds and borders.

  • medicalMedical Properties

    • Diuretic: Anagallis monellii, commonly known as blue pimpernel, has been traditionally used to stimulate the production of urine.
    • Wound healing: The plant has been applied externally in some traditional medicine systems for its purported ability to help heal wounds.
    • Antipruritic: It has been used to alleviate itching associated with various skin conditions.
    • Skin ailments: It may have been used in the past for treating skin diseases like scabies and psoriasis.
    • Expectorant: There is historical use of blue pimpernel as an expectorant, to help expel phlegm from the respiratory tract.
    Please note that these uses are not widely validated by modern clinical research and should not be considered as recommendations for treatment. Always consult with a healthcare professional before using any plant for medicinal purposes.

  • windAir-purifying Qualities

    This plant is not specifically known for air purifying qualities.

  • leavesOther Uses

    • Anagallis monellii, commonly known as blue pimpernel, can be used as a natural dye for fabrics, providing a range of blue to green shades depending on the mordants used.
    • The crushed leaves of blue pimpernel may be used as a temporary insect repellent by rubbing them on the skin, although this might not be as effective as conventional repellents.
    • Blue pimpernel has been historically used in some cultures for its mild soap-like qualities; it can be used for cleaning small objects when no soap is available.
    • The plant can be planted as a ground cover in garden areas where little else will grow, thanks to its ability to thrive in poor soil.
    • Blue pimpernel can be incorporated into floral arrangements and bouquets for its small, delicate blue flowers that add contrast to the design.
    • Its ornamental value extends to miniature and fairy gardens, where blue pimpernel's foliage and flowers contribute to the aesthetic of these small-scale landscapes.
    • In photography, the vibrant flowers of blue pimpernel can be used as a natural backdrop for macro photography or as a subject of botanical photography.
    • Agriculturally, blue pimpernel can be planted as a border crop in fields to attract pollinators and beneficial insects that will support the main crops' growth.
    • For educational purposes, blue pimpernel can be employed in botanical studies due to its interesting flower morphology, which includes a unique opening and closing mechanism in response to light conditions.
    • As a natural craft material, the flowers and leaves of blue pimpernel can be incorporated into eco-friendly art projects, like pressed flower art or botanical collage.

Interesting Facts

  • bedFeng Shui

    The Blue Pimpernel is not used in Feng Shui practice.

  • aquariusZodiac Sign Compitability

    The Blue Pimpernel is not used in astrology practice.

  • spiralPlant Symbolism

    • Persistence: Anagallis monellii, commonly known as Blue Pimpernel, often closes its flowers during cloudy weather and reopens them when the sun returns, symbolizing perseverance through difficult times.
    • Hope: The Blue Pimpernel's flowering pattern, closing in adverse conditions and blooming in favorable ones, is seen as a metaphor for holding onto hope during challenging circumstances.
    • Change: This plant's sensitivity to light and weather can also be interpreted as emblematic of adaptability and the ability to change in response to surroundings.

Every week
2500 - 10000 Lux
Every year
Spring-Early Summer
As needed
  • water dropWater

    Blue Pimpernel prefers consistently moist soil, so watering should be done regularly to maintain the desired moisture level without over-saturating the soil, which can lead to root rot. It's best to water this plant deeply once a week with about one gallon of water, but this may vary depending on the climate and weather conditions. During hot, dry periods, the Blue Pimpernel may require additional water, while in cooler or rainy spells, less frequent watering may be necessary. Always check the top inch of soil; if it feels dry, it's time to water again.

  • sunLight

    Blue Pimpernel thrives in full sun to partial shade. The ideal spot for this plant is where it can receive at least 6 hours of direct sunlight daily, but it can also tolerate some light afternoon shade, especially in hotter climates. Avoid placing the Blue Pimpernel in deep shade as this can lead to poor flowering and weak growth.

  • thermometerTemperature

    Blue Pimpernel does well in moderate to warm climates and can tolerate a temperature range from about 50°F to 85°F. The ideal temperature for this plant is around 70°F to 75°F. It's important to protect the Blue Pimpernel from frost, as temperatures below 30°F can be detrimental to the plant.

  • scissorsPruning

    Pruning the Blue Pimpernel is important to encourage bushier growth and more abundant flowers. Pinch back the tips of the plant during early spring and throughout the growing season as needed to promote a denser form. Pruning is best done after the first flush of blooms fades, which encourages the Blue Pimpernel to produce a second round of flowering.

  • broomCleaning

    As needed

  • bambooSoil

    Blue Pimpernel prefers well-draining soil with a pH range of 6.0 to 7.5. A mixture of potting soil, peat, and perlite or sand in equal parts creates the best soil conditions to ensure healthy growth and flowering.

  • plantRepotting

    Blue Pimpernel should be repotted annually in the springtime to replenish its soil and accommodate root growth, using a slightly larger pot if necessary.

  • water dropsHumidity & Misting

    Blue Pimpernel does well in average room humidity levels, but it can benefit from increased humidity, especially when grown indoors in dry environments.

  • pinSuitable locations

    • Indoor

      Place Blue Pimpernel in bright, indirect light.

    • Outdoor

      Plant Blue Pimpernel in full sun to partial shade.

    • Hardiness zone

      8-11 USDA

  • circleLife cycle

    Anagallis monellii, commonly known as Blue Pimpernel, begins its life as a seed that germinates in spring when soil temperatures warm. Upon sprouting, the seedling goes through a phase of vegetative growth, developing a rosette of leaves at the soil surface. As it matures, the plant extends its stems and displays pairs of opposite, lanceolate leaves, and then enters the flowering stage, producing small, striking blue flowers with five petals that are often visited by pollinators. Following pollination, the Blue Pimpernel sets fruit, which are small capsules containing numerous tiny seeds. These seeds are dispersed by various means, such as wind or water, or through attachment to animals. The plant completes its life cycle when these seeds germinate, starting the cycle anew, and though perennial in nature, it is often grown as an annual in cooler climates.

  • sproutPropogation

    • Propogation time

      Spring-Early Summer

    • The most popular method of propagating Anagallis monellii, commonly known as blue pimpernel, is through seed. Typically, blue pimpernel seeds are sown in early spring, after the last frost when the soil has warmed up to at least 70°F (21°C). Gardeners scatter the tiny seeds directly onto a well-drained soil surface where they ought to receive sunlight, as they need light to germinate effectively. The surface sowing is critical because covering the seeds could hinder their germination. After sowing, the area should be kept moist but not waterlogged to facilitate germination, which usually occurs within two to three weeks. As the seedlings grow and develop true leaves, they may be thinned out if necessary to allow sufficient space for the mature plants. Transplanting the seedlings or spreading them into the garden should be done with care, as blue pimpernel tends to be delicate in its early stages.