Guide on Cultivating and Nurturing Calla Lilies (Zantedeschia)
Calla lilies, also known as arum lilies, are becoming increasingly popular as a house plant. These beautiful flowers, which belong to the genus Zantedeschia, originate from South Africa and are known for their striking, lush growth and vibrant blooms.
Calla lilies thrive in a bright, well-lit spot, out of the strongest midday sun and sheltered from wind. Regular watering is essential for maintaining their lush growth, keeping the compost moist but avoiding over-watering.
There are several varieties of calla lilies, each with its own unique characteristics. For instance, Zantedeschia 'Odessa' features almost black flowers that make a striking contrast to the silver-flecked foliage, while Zantedeschia 'Ice Dancer' bears pure white flowers above silver-splashed bright green leaves. Other varieties, such as 'Garnet Glow', 'Picasso', and 'Captain Romance', offer showy hot-pink, bicoloured, and rich pink flowers, respectively.
In addition to their aesthetic appeal, calla lilies are relatively easy to care for. They flower from early to late summer on sturdy, upright stems. Feeding them every three to four weeks with a liquid fertiliser high in potash, such as liquid tomato fertiliser, can help promote flowering.
Most calla lilies are frost tender, and the rhizomes or fleshy roots can be stored over winter and then replanted the following spring. For those growing calla lilies in the garden, they can be planted outside from mid-spring, after all risk of frost has passed. Calla lilies growing in the ground should be dug up and the rhizomes stored in trays of just-moist compost for winter, in a cool frost-free place.
In late winter, repot the roots into moist compost and place in a warm spot to start into growth. After flowering, continue watering calla lilies for several weeks until the leaves start to die back.
It's important to regularly remove dead and faded flower stems and leaves from calla lilies to maintain their health. Aphids may also be a problem for calla lilies, particularly on plants growing indoors. Regularly inspect leaf undersides for aphids and treat as necessary.
In Germany, calla lilies are sold by local florists in Berlin and online garden centers such as MeinGartenShop.de, which offers fresh plants with delivery and a quality guarantee.
Whether you choose to grow calla lilies in the garden, in pots, or in a border, these stunning plants are sure to add a touch of elegance and beauty to any space.
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