Dahlia Dahlia 'Twyning's After Eight' (Sin)

👤 Non-toxic to humans
🐾 Toxic to pets
🌸 Blooming
🍪 Not edible
‍🌱 Hard-care
dahlia 'Twyning's After Eight'


Dahlia 'Twyning's After Eight' is a striking flowering plant known for its unique color contrast. The foliage of this dahlia is deep, almost chocolatey, creating a dramatic backdrop for its blooms. These leaves are typically pointed, lending a lush and full appearance to the plant's overall silhouette. Flowers of the 'Twyning's After Eight' dahlia are quite the spectacle, featuring a stark contrast to the dark foliage. The blooms are large and showy, with petals that are pure white or sometimes carry a hint of blush depending on environmental factors. The petals are arranged in a somewhat orderly fashion, resulting in a geometric display that dahlia enthusiasts find highly appealing. The shape of the flowers is typically symmetrical, and they stand out prominently against the dark leaves, making this specific variety a popular choice for gardeners looking to add visual impact to their garden. The flower heads have a layered structure, with each layer comprising petals that gently curve towards the sun. This creates a sense of depth and volume, enhancing the ornamental value of the plant. The combination of pristine white petals and dark foliage gives 'Twyning's After Eight' dahlia a presence that can hold its own in mixed borders or serve as a cornerstone in a monochromatic garden theme. It's also a favored choice for bouquets and floral arrangements due to the clear, crisp colors and the visual punch it delivers.

Plant Info
Common Problems

About this plant

  • memoNames

    • Family


    • Synonyms

      Dahlia 'Twyning's After Eight', Peppermint Dahlia

    • Common names

      Dahlia 'Twyning's After Eight'

  • skullToxicity

    • To humans

      Dahlias, including the variety 'Twyning's After Eight', are not considered highly toxic to humans. However, if ingested, they may cause mild gastrointestinal upset in some individuals. The symptoms could include nausea, diarrhea, and stomach cramps. Generally, consuming any part of this plant is not advised due to the potential for an upset stomach, but serious or long-lasting consequences are unlikely.

    • To pets

      Dahlias, the type of plant 'Twyning's After Eight' belongs to, are considered non-toxic to pets such as dogs and cats. Ingestion of dahlias might cause a mild digestive upset in some pets, with possible symptoms like vomiting or diarrhea, but they are not expected to cause serious harm or long-term effects. However, as with any non-food plant, it is still best to prevent pets from consuming them to avoid any potential discomfort.

  • infoCharacteristics

    • Life cycle


    • Foliage type


    • Color of leaves

      Dark green

    • Flower color


    • Height

      4 feet (1.22 meters)

    • Spread

      2 feet (0.61 meters)

    • Plant type


    • Hardiness zones


    • Native area



  • money-bagGeneral Benefits

    • Ornamental Appeal: The Dahlia 'Twyning's After Eight' offers striking white flowers with a dark, almost black foliage, making it stand out in any garden setting.
    • Attracts Pollinators: The vibrant blooms are attractive to bees, butterflies, and other beneficial pollinators, enhancing biodiversity.
    • Long Blooming Period: This plant has a generous flowering period, usually from midsummer to the first frosts, providing long-lasting garden interest.
    • Cut Flower Usage: The elegant flowers are ideal for cutting and creating floral arrangements, enhancing interior décor with fresh blossoms.
    • Easy to Grow: Dahlias are known for being relatively easy to cultivate, making them suitable for gardeners of all skill levels.
    • Variety of Uses: It can be used in a range of garden designs, including borders, beds, and as a focal point for its dramatic color contrast.
    • Propagates Easily: Dahlia 'Twyning's After Eight' can be propagated through division or cuttings, allowing gardeners to expand their 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

    • The petals of Dahlia 'Twyning's After Eight' can be used to add color and texture to homemade paper. The bright petals provide a unique appearance when embedded in the pulp.
    • Dahlias can play an essential role in companion planting, attracting pollinators such as bees and butterflies to the garden which can help increase the yields of fruit and vegetable crops.
    • These flowers can be used as a natural dye source for fabrics, offering a range of hues from the petals and other parts of the plant.
    • The hollow stems of Dahlias can be used to create biodegradable straws for sipping beverages, reducing plastic waste.
    • As an edible flower, Dahlia petals can be a colorful garnish for salads and desserts, though Twyning's After Eight variation is specifically for ornamental use.
    • They were historically used in traditional ceremonies and celebrations by indigenous peoples, as a means to decorate altars and other spaces.
    • Dahlia tubers can be a source of inulin, a type of dietary fiber, although 'Twyning's After Eight' is not typically grown for this purpose.
    • The striking appearance of Dahlia flowers can be inspiration for artists and crafters in creating botanical illustrations, patterns, and designs.
    • Used in photography, these Dahlias can provide a striking subject for photographers, owing to their bold colors and intricate petal formations.
    • With proper treatment, the stems and flowers can also be integrated into sustainable floral arrangements, where they decompose naturally instead of adding to waste with synthetic materials.

Interesting Facts

  • bedFeng Shui

    The Dahlia is not used in Feng Shui practice.

  • aquariusZodiac Sign Compitability

    The Dahlia is not used in astrology practice.

  • spiralPlant Symbolism

    • Elegance and Dignity: The sophisticated bloom and stature of the Dahlia represent grace and dignity.
    • Change and Variety: Dahlias come in many colors and forms, symbolizing diversity and embracing change.
    • Commitment and Bond: Often given as gifts to express a lifelong commitment or a bond that endures despite challenges.
    • Creativity: The dahlia’s myriad colors and patterns signify creativity and inspiration.
    • Inner Strength: The flower's ability to bloom from spring until fall reflects resilience and inner strength.

Every 2-3 days
2500 - 10000 Lux
Every 1-2 years
Spring to Summer
As needed
  • water dropWater

    Dahlias, including 'Twyning's After Eight', prefer to be watered deeply and thoroughly, which means watering them until the soil feels moist to a depth of several inches. Ideally, watering should be done two to three times a week, depending on the weather conditions, more frequently if it's particularly hot and dry, and less often when it's cool or rainy. It's best to provide about 1 to 2 gallons of water per plant each time you water, ensuring it reaches the roots without leaving the soil waterlogged. During peak summer months, they may require more water to keep the soil consistently moist. Always avoid overhead watering to minimize the risk of disease, instead aiming the water at the base of the plant.

  • sunLight

    Dahlias like 'Twyning's After Eight' flourish in a spot that receives full sun for at least 6 to 8 hours a day. These plants prefer bright light to bloom well, so an airy location that is well exposed to sunlight is ideal. While they can tolerate partial shade, too much shade can result in fewer blooms and taller, weaker stems.

  • thermometerTemperature

    Dahlias such as 'Twyning's After Eight' grow best in temperatures ranging from 60°F to 75°F, which is their ideal temperature range. They can survive minimum temperatures of about 50°F at night, and should not be exposed to temperatures above 90°F as this can stress the plants. Dahlias are not frost tolerant and should be planted after all danger of frost has passed in the spring.

  • scissorsPruning

    Dahlias like 'Twyning's After Eight' should be pruned to encourage bushiness, remove dead or diseased tissue, and maintain a neat appearance. Deadheading, or cutting off spent bloom heads, will encourage further blooming and should be done throughout the blooming season. Cutting back the plants in early summer by removing the top few inches of growth can result in more side-branching and thus more flowers.

  • broomCleaning

    As needed

  • bambooSoil

    Dahlias prefer well-draining, fertile soil with a pH between 6.5 and 7.5. A good soil mix for 'Twyning's After Eight' would be equal parts garden soil, peat moss, and perlite or sand to ensure proper drainage. Adding compost to the mix can also provide the necessary nutrients for optimal growth.

  • plantRepotting

    Dahlias, including 'Twyning's After Eight', generally don't need to be repotted often as they are typically grown as annuals. If grown in containers, they should be repotted when they outgrow their pots or when fresh soil is needed, usually every year when planting new tubers at the beginning of the growing season.

  • water dropsHumidity & Misting

    Dahlias like 'Twyning's After Eight' prefer moderate humidity levels. While they can tolerate a range of humidity conditions, keeping the air around them not too dry and not excessively humid is best for their health. There is no strict humidity level, just avoid water-logged soil which can lead to rot.

  • pinSuitable locations

    • Indoor

      Provide bright light, well-draining soil, moderate water, and warmth.

    • Outdoor

      Full sun, fertile soil, protect from strong winds, and water regularly.

    • Hardiness zone

      8-11 USDA.

  • circleLife cycle

    The life cycle of the Dahlia 'Twyning's After Eight', commonly known as the Twyning's After Eight Dahlia, begins with a period of dormancy where the tubers lie underground through the winter months. As spring arrives and temperatures increase, shoots emerge from the tubers, and vegetative growth commences with the development of stems and leaves. Throughout the summer, the plant focuses on producing its signature dark foliage and stark white flowers, attracting pollinators and going through a phase of sexual reproduction where flowers are pollinated and can produce seeds. After flowering, as autumn approaches, the plant begins to die back as energy is redirected to the tubers, which swell with stored nutrients. The aboveground foliage withers with the onset of cooler temperatures and frost, signaling the plant to enter another period of dormancy. During winter, the tubers can be left in the ground in milder climates or dug up and stored in a frost-free place to protect them until the cycle restarts the following spring.

  • sproutPropogation

    • Propogation time

      Spring to Summer

    • Dahlia 'Twyning's After Eight', commonly known as Dahlia, is typically propagated through division of tubers, an approach that is both practical and widely adopted for this type of plant. Propagation of Dahlias is generally undertaken in the spring, when the risk of frost has passed and the soil has started to warm up. To divide Dahlia tubers, you should first carefully lift the clump from the ground after the foliage has died back in the fall. Wash off the soil and let the tubers dry for a few days. Using a sharp knife, cut the tubers apart, ensuring that each division has at least one eye or bud from which new growth can emerge. The cut surfaces should be allowed to callus over for a day or two to prevent rot, after which the tubers can be planted in well-draining soil with the eyes facing upwards, at a depth of about 6 inches (approximately 15 cm).