Organic calla lilies (Zantedeschia)

Organically grown callas

Callas, also known as arums or Zantedeschia, bloom for a long period with unique calyx flowers. These flowers actually consist of folded petals that have grown towards each other. The leaves of the plant are oval-shaped and feel soft, often with transparent dots, which makes the plant even more unique. The plant usually grows from a tuber, which often has several smaller tubers attached to it. These tubers act as a water reservoir for the plant. Callas generally need little water, so it is advisable to place them in a dry place in the garden, preferably in partial shade. The flowering period extends from June to September, and each tuber produces several flowers.

How, where and when do I plant calla tubers?

The best location for a calla is in partial shade, where it will flower for months. Plant the tuber in a nutrient-rich soil and ensure that the soil is well-drained to prevent water from accumulating around the tubers, which can lead to rot.

The tuber is formed by clusters of tubers. Sometimes green dots are already visible and it is easy to see what is above and below, but if that is not the case yet, the tubers are planted with the round side facing up and the flat side facing down. Cover the tuber with 5 to 10 centimetres of soil. The tuber will develop roots at the top, so it needs some soil at the top of the tuber. Place them with 10 centimetres of space between them. For pot planting, they can also be planted a little closer together.

Indoor pre-growth

From March onwards, the tubers can be pre-grown indoors. Water minimally and place the plant outside on frost-free days.

Outside in the garden

After the last night frost, which is usually after the Ice Saints (May 15), the chance of frost is quite small and the tubers can be planted outside in the garden or in pots. Water the soil regularly so that it does not dry out, but also not too wet, because then the tubers can rot.

Tip: Plant the tubers in groups of at least three, approximately 15 cm apart for a nice, full result.

Caring for the organic calla

The faded flowers are pulled out to stimulate new flowering. Hold the plant carefully at the bottom so that you do not accidentally pull the calla tuber out of the ground. After flowering, the plant dies off by itself. Let the leaves die off completely so that the strength goes back into the tuber. Protect them from light frost in the winter. In severe frost, they should be dug out and stored frost-free in a dry and cool place. The advantage of digging out is that the tuber can be divided every year. It grows bigger every year.

When planting in pots, we recommend storing the entire pot frost-free and not watering it in winter.

Origin of the calla

The calla originates from South Africa. The meaning of calla is 'beauty' and it symbolizes purity, sympathy and cleanliness. In Greek and Roman times they saw this flower as a chalice with which they toasted, because of this the flowers were compared to parties.

History of the calla

The calla originates from South Africa. There are 8 known species, including desert and swamp. (the Floriologist sells the desert) The Calla 'Aethiopica' for example is a swamp, the name means 'growing in the moorland'. There are different names given to the calla including; Richardia and Zantedeschia . In common parlance calla is often said because in England they say 'calla lily' and more importantly, it means 'beauty'.

Buy Callas

At Bloemoloog you can order calla bulbs online from January to June and they are available on the market from February to June. Delivery within 3 working days!

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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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