Single flowered dahlias

Organic dahlias with an open heart

Single-flowered dahlias are also called 'open heart dahlias'. Single-flowered dahlias, as the name suggests, are distinguished by their simple single row of petals. Unlike double-flowered varieties, which have multiple layers of petals, single-flowered dahlias have a more open and lighter appearance.

Organic dahlias with an open heart for bees

The simple design of single-flowered dahlias makes nectar more accessible to pollinators such as bees and butterflies. By planting these flowers, you can help attract and support local pollinating insects, which is beneficial for biodiversity in your garden.

Caring for single-flowered dahlias

Single-flowered dahlias do not require any special care compared to other dahlia species. The old flowers can be removed for new flowering, for 100 days a year.

Which dahlias with an open heart can I buy?

Single flowered dahlias are available in various colours, shapes, sizes. They even have various leaf colours ranging from light green to dark green, almost red like the dark leaved dahlias .

Buy organic single-flowered dahlias

It is of great importance that insects such as bees do not take in any harmful substances when using the nectar from the open flowers. This is why the Bloemoloog only sells organically grown dahlia tubers.

Order single-flowered dahlia tubers

From January to June you can easily order online at Bloemoloog.nl, delivery within 3 working days! Or visit us at one of our markets throughout the Netherlands and Belgium.

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Summer-flowering bulbs

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  • Organic summer bulbs

    Summer flowering bulbs and tubers are a promising and colourful addition to gardens, bringing them to life during the warmer months. Here you will find a wide range of flowers and plants that are planted in spring and produce beautiful flowers throughout the summer and autumn.

    Planting summer bloomers

    Planting summer flowering bulbs and tubers usually requires some preparation in the spring. They thrive in well-drained soil and generally require full sun or light shade.

    Pre-growing flower bulbs

    You can also choose to grow the frost-sensitive summer bloomers indoors from March, which is called pre-growing. The plant then has a head start and will flower earlier. You then place the pot in a light place in your room and keep the soil slightly moist. As soon as the night frost has gone, the pot can be placed outside or the flower bulb or tuber can be removed and replanted in the open ground. In that case, first keep the pot in a bucket of water for half a day and then plant the tuber in the open ground.

    Caring for summer bloomers

    Regular watering and removing faded flowers can prolong flowering. All summer flowering plants we offer can be cut back to the ground in the fall. For further instructions, we recommend reading the respective product descriptions for correct wintering.

    For organic potting soil, plant food and other soil improvers we recommend Bio Kultura !

    Summer buzzers

    The entire assortment of Bloemoloog is organically grown. This means you don't have to worry about whether it contains harmful substances for beneficial insects such as bees and other summer buzzers.

  • What summer bloomers are there and how do you choose the right one?

    There are many different types of summer bloomers, including annuals and perennials, also called perennials. Annual summer bloomers are plants that only bloom for one season, while perennial summer bloomers grow and bloom for several years. One must be dug up before the cold winter, while the other can, with the right care, remain in the same place for years.

    When choosing summer bloomers, it is important to consider the specific needs of the plants, such as water requirements, soil type and care.

    Below we discuss some popular summer bloomers and provide information on which location is best for them.

    Non-hardy perennial summer bloomers

    - Calla : Calla's also known as Zantedeschia's are summer bloomers with graceful leaves and unique flowers. These can be in the sun and partial shade.
    - Dahlia : Dahlias are a popular choice for summer bloomers and come in many different colors. They do well in full sun.
    - Gladioli : Gladioli are perennial, but not winter hardy. They grow best in full sun.

    Hardy perennial summer bloomers

    - Kniphofia : Kniphofia, also known as fire arrow, loves a lot of sunlight. Place the plant in a location where it gets at least 6 to 8 hours of direct sunlight per day. A sunny location ensures that the plant grows and blooms well.
    - Lily : Lilies are perennial summer bloomers that are often planted. These plants do well in full sun and in partial shade.
    - Peony : Peonies are well-known perennial summer bloomers. They bloom in the sun, but for longer flowering we recommend a semi-shaded spot.

    Want to buy summer bulbs?

    At Bloemoloog.nl you can order summer bloomers from January to June that are grown exclusively by organic growers. We deliver within 3 working days with PostNL!

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