Calla Lily (Calla) Classic - Zantedeschia aethiopica

Calla lilies in classic white. Perfect for a bouquet, as a gift or when you want to impress effortlessly.

Calla Lilies: The Epitome of Elegance

The calla lily, scientifically known as Zantedeschia aethiopica, is one of the most elegant and timeless flowers in existence. The classic white calla represents a symbol of purity and sophistication that has adorned homes and gardens for generations.

A Majestic Flower with Unique Character

The classic calla lily stands out through its characteristic white flower spikes, surrounded by an elegant, trumpet-shaped spathe. This impressive structure, which many mistakenly believe is the flower itself, is actually a modified leaf called a spathe. The true flowers are small and discreet, clustered on the yellow spadix in the centre.

The leaves are equally impressive as the flower, with their deep green colour and arrow-shaped structure.

Growing and Planting Callas

Calla lilies thrive best in moist, nutrient-rich soil with good drainage. The plant prefers a sunny to semi-shaded location where it can receive sufficient light to develop its magnificent flowers. When planting, it is important to position the tubers at the correct depth, approximately 10-15 centimetres below the soil surface.

Temperature plays a crucial role in the calla's wellbeing. As a heat-loving plant, it needs protection from frost and cold, making it perfect as a potted plant that can be moved indoors during winter months.

Watering and Feeding for Optimal Growth

Regular watering is essential for the calla's health. The plant loves moisture but cannot tolerate standing water, which can cause rot on the tubers. During the growing season, the calla requires plenty of water, especially when flowering and developing new leaves.

Feeding is equally important as watering. Balanced fertiliser applied regularly during the growing season helps the plant produce more and larger flowers. Organic compost or well-balanced liquid fertiliser works excellently.

Flowering and Seasonal Cycle

The calla's flowering period typically extends from late spring to early autumn, depending on growing conditions. Each flower can remain beautiful for several weeks, making the calla a long-lasting source of joy in the garden or home.

After flowering, the plant enters a dormancy period where the leaves gradually yellow and die back. This is natural and signals that the tuber is preparing itself for the next planting season.

Overwintering and Long-Term Care

In colder climates, calla tubers must be lifted from the soil before the first frost. They should be dried and stored in a cool, dry place over winter. Alternatively, potted specimens can be moved indoors and kept in dormancy with minimal watering.

With proper care, your calla can flower year after year and even propagate by producing new tubers. This makes it a valuable investment for anyone who appreciates classic elegance in their garden.

Quick facts – Calla Lily – Classic

Colour
white
Latin name
Zantedeschia aethiopica
Type
cut flower
Flowering
june-august
Light
full sun to partial shade
Water
high
Height
50-100 cm
Vase life
7-14 days
Scent
none
Toxic to Pets
yes
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FAQ about Calla Lily – Classic

What kind of soil suits calla lilies best?
Calla lilies thrive in moist, fertile soil rich in humus. The soil can be slightly acid to neutral, with a pH of 6.0-7.0. Zantedeschia aethiopica, also known as the arum lily, likes wet conditions and can even grow at the edge of a pond.
How often should calla lilies be watered?
During the growing season calla lilies need regular, generous watering, especially when they flower. Keep the soil evenly moist and water deeply two or three times a week. Water less when the plant goes dormant.
How long do cut calla lilies last?
Cut calla lilies last about one to two weeks in the vase. Use only a few centimetres of water, as the fleshy stems soften in deep water, and recut the stems every few days.
Which pests and diseases can affect calla lilies?
Aphids, red spider mite and thrips can attack, especially indoors. Root rot is the most common problem and is usually caused by poor drainage in winter. Check under the leaves and around the base regularly.
How do calla lilies overwinter?
Calla lilies tolerate only light frost. In mild gardens they can stay in the ground under a thick mulch. In cold, exposed gardens, lift the rhizomes in autumn or grow the plant in a pot that is moved to a cool, frost-free place for winter.

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