Dahlia 'Scarlet Fern' Dahlia 'Scarlet Fern' (Sin)

👤 Non-toxic to humans
🐾 Non-toxic to pets
🌸 Blooming
🍪 Not edible
‍🌱 Hard-care
dahlia 'Scarlet Fern'


'Scarlet Fern' is a single dahlia to about 80cm with very dark purple, deeply dividedfoliage. Bright orange-red flowers with dark centres are produced from mid-summer to mid-autumn

Plant Info
Common Problems

About this plant

  • memoNames

    • Family


    • Synonyms

      Scarlet Fern Dahlia, Fernleaf Dahlia, Fern-Leaf Dahlia.

    • Common names

      Dahlia 'Scarlet Fern'.

  • infoCharacteristics

    • Life cycle


    • Foliage type


    • Color of leaves


    • Flower color


    • Height

      4-5 feet (1.2-1.5 meters)

    • Spread

      2-3 feet (0.6-0.9 meters)

    • Plant type


    • Hardiness zones


    • Native area



  • money-bagGeneral Benefits

    • Eye-catching Blooms: Dahlia 'Scarlet Fern' features vibrant red flowers that add a pop of color to any garden or landscape.
    • Extended Flowering Season: Dahlias generally have a long flowering season, from summer through fall, providing extended enjoyment.
    • Attracts Pollinators: The blooms of this dahlia attract bees, butterflies, and other beneficial pollinators to your garden.
    • Easy to Grow: Dahlias are known for being easy to grow and can thrive in a variety of soil types with proper care.
    • Great for Cut Flowers: Dahlias make excellent cut flowers for bouquets and arrangements due to their large, showy blossoms and long vase life.
    • Versatile Landscaping Plant: They can be used in borders, as specimen plants, or in container gardens, offering versatile uses in landscaping.
    • Variety of Uses: Ideal for garden beds, borders, and pots or containers, providing flexibility in garden design and use of space.

  • 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

    • Dahlia 'Scarlet Fern' petals can be used to create natural dyes for fabrics, imparting delicate colors that are environmentally friendly.
    • With its intricate petals and vibrant color, the Dahlia can serve as a source of inspiration for artists and designers in their work.
    • Dried Dahlia flowers can add texture and color to potpourri mixtures, offering a decorative element with a subtle fragrance when added to home decor.
    • The strong stems of the Dahlia can be used in crafting, as they can be stripped of flowers and woven into baskets or other items.
    • When pressed and preserved, Dahlia petals can be used in botanical paper-making, contributing to the unique look and feel of handmade paper products.
    • The bright blooms of the Dahlia can be used in photography, often as a subject in close-up photography to practice macro techniques and capture intricate details.
    • As an edible flower, Dahlia 'Scarlet Fern' petals can be candied and used as an elegant garnish for desserts and special dishes, bringing a pop of color to culinary presentations.
    • In educational settings, Dahlias can be dissected to teach botany students about plant anatomy and flower structure.
    • During festive seasons, Dahlias can be incorporated into costume designs, especially for floats and parades, due to their vivid hues and large blooms.
    • Floral artists can use Dahlia blooms in the art of Ikebana, the Japanese art of flower arrangement, which emphasizes shape, line, and form.

Interesting Facts

  • bedFeng Shui

    Dahlias are not specifically used in Feng Shui practice.

  • aquariusZodiac Sign Compitability

    Dahlias are not used in astrology practice.

  • spiralPlant Symbolism

    • Elegance and Dignity: The intricate petals and vibrant hues of the Dahlia symbolize a composed grace and a sense of sophistication.
    • Change and Diversity: Due to the Dahlia's variety in color and form, it represents diversity and the ability to stand out in a crowd while adapting to different environments.
    • Commitment and Bond: Dahlias are often used in floral arrangements to signify a lasting commitment and an everlasting bond between two people.
    • Embracing Inner Strength: The Dahlia stands tall and firm, symbolizing the inner strength to face life's challenges.
    • Creative Expression: The unique patterns of the Dahlia petals are often associated with individuality and creative expression, encouraging people to follow their own unique path.

Every 2-3 days
500 - 2500 Lux
Every year
Spring-Early Summer
As needed
  • water dropWater

    For Dahlia 'Scarlet Fern', ensure the soil is moist but not waterlogged by checking the top inch of the soil; if it's dry, it's time to water. During the active growing season, typically from spring to fall, water the plant thoroughly once or twice a week with about one to two gallons of water, depending on the size of the plant and the weather conditions. Decrease watering during the winter months when the plant is dormant. Always use a watering can or a hose with a gentle nozzle to avoid damaging the foliage and flowers, and water at the base of the plant to keep the leaves dry and prevent fungal diseases.

  • sunLight

    Dahlias, including the 'Scarlet Fern' variety, thrive best in full sun conditions, so place the plant in a location where it receives at least 6 to 8 hours of direct sunlight daily. Avoid areas that are prone to extended periods of shade, as this can reduce blooming and weaken the plant. An ideal spot is a south or west-facing location where the plant is exposed to plenty of sunlight throughout the day.

  • thermometerTemperature

    Dahlias such as the 'Scarlet Fern' prefer temperate climates with daytime temperatures ranging between 70 to 85 degrees Fahrenheit and nighttime temperatures not falling below 60 degrees Fahrenheit. Although the plant can survive a brief period of colder temperatures down to about 50 degrees Fahrenheit, constant exposure to temperatures below this can harm the plant. Protect dahlias from extreme heat by providing some afternoon shade when temperatures exceed 90 degrees Fahrenheit.

  • scissorsPruning

    Pruning is vital for Dahlias, including 'Scarlet Fern', to encourage vigorous growth and abundant flowering. Deadhead spent flowers regularly to stimulate new blooms. At the beginning of the growing season, pinch the tips of the main shoot to promote bushier growth and more stems for flowers. Pruning should be done with clean, sharp shears, and for this type of dahlia, it's best to prune in early spring before the new growth starts, and throughout the growing season as necessary for shaping and deadheading.

  • broomCleaning

    As needed

  • bambooSoil

    Dahlia 'Scarlet Fern' prefers well-draining, fertile soil with a pH range of 6.5 to 7.0. A good mix would consist of equal parts garden soil, peat moss, and perlite or sand to ensure proper drainage. Regular organic matter amendments will enhance soil quality and plant health.

  • plantRepotting

    Dahlias, including 'Scarlet Fern', typically need to be repotted every spring before new growth starts. Tubers should be divided and replanted to refresh the soil and provide space for growth.

  • water dropsHumidity & Misting

    Dahlias like 'Scarlet Fern' prefer moderate humidity levels but are adaptable and do not require specific humidity conditions for success. However, ensuring good air circulation around the plants can prevent humidity-related issues.

  • pinSuitable locations

    • Indoor

      Provide bright light, good airflow, and pot in well-draining soil.

    • Outdoor

      Plant in full sun, rich soil, ensure space for growth.

    • Hardiness zone

      8-11 USDA

  • circleLife cycle

    Dahlia 'Scarlet Fern' begins its cycle with seed germination, which occurs in a warm, moist soil environment, usually in late winter or early spring. Once the seeds sprout, the young seedlings are carefully tended until they establish a set of true leaves and can be transplanted to their final growing location. The plant then enters a vigorous vegetative growth stage, producing lush foliage and strong stems as temperatures increase. Following vegetative growth, the Dahlia 'Scarlet Fern' enters the flowering stage in late summer or early fall, where it produces its characteristic bright, fern-like scarlet petals which attract pollinators. After flowering, as the season cools, the plant sets seeds or can be propagated through tuber division before it enters dormancy during winter. In regions with harsh winters, the tubers are commonly dug up and stored until the next growing season to protect them from frost damage.

  • sproutPropogation

    • Propogation time

      Spring-Early Summer

    • Propogation: The most popular method of propagation for the Dahlia 'Scarlet Fern', also known simply as Dahlia, is through division of tubers. This is typically done in the spring just before or as new growth starts to appear from the tubers. Gardeners should carefully dig up the clump of tubers, making sure not to damage them. Using a sharp, clean knife or spade, they can divide the clump into smaller sections, ensuring that each section has at least one eye, which is a growing point. It is important to let the cut surfaces dry for a few days to form a protective callus before planting. The divided tubers are then planted about 4 to 6 inches (10 to 15 cm) deep in well-draining soil with the eyes facing upwards. This method of propagation allows for the production of exact clones of the parent plant, retaining its unique characteristics.