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Organic Calla 'Purple Beat' (Zantedeschia) - Arum lily

Organic Calla 'Purple Beat' (Zantedeschia) - Arum lily

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Organic bicolor calla

The Calla 'Purple Beat' is a large-flowered bicolor cultivar with wide dotted leaves. Many also know it under the name ' Zantedeschia ' or 'arum lily'. The flowers are purple with a white edge and grow to about 50 centimeters in height in a pot. In the garden it grows slightly taller with a height of about 70 centimeters and also has slightly larger flowers. It produces approximately 3 to 5 flowers per tuber per year and blooms from June to September.

Its unique flowers are actually leaves that curl up to form a calyx. The leaves are often dotted and also differ in shape. One species has narrow, elongated leaves and the other species has somewhat broader leaves. The calla is available in many colors. The bright color of the bract attracts insects that fertilize the flowers.

How, where and when do I plant calla tubers?

The tuber is formed by clusters of tubers. Sometimes green dots are already visible and you can see exactly what is above and below, but if this is not yet the case, the tubers are planted with the rounded side up and the flat side down. Cover the tuber with 5 to 10 centimeters of soil. The tuber grows roots at the top, so it needs some soil at the top of the tuber. Place them 10 centimeters apart from each other. For pot planting, they can also be planted a little closer together.

Indoor pre-growth

The tubers can be started indoors from March. Provide minimal water 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 are 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 it can rot.

Care of the organic calla

The best position is in partial shade, where it blooms for months. The spent flowers are pulled out to stimulate new flowering. Carefully hold the plant at the bottom so that you do not accidentally pull the calla tuber out of the ground.

After flowering, the plant dies automatically. Let the leaf die completely so that the strength goes back into the tuber. Protect them from light frost in winter. During 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 is getting bigger every year.

When planting in pots, we recommend keeping the entire pot frost-free and in winter not  to provide water.

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

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 mistook this flower for a chalice with which they toasted, so the flowers were compared to celebrations.

Organic Calla 'Purple Beat' - Skal NL-BIO-01 certified: 109459

Packaged individually or choose more for less in the form of a stacking discount!


Can be ordered from Januar '25

Shipping €5.95 - Free shipping from €35 purchase.


Flowering time: June - September
Planting time:
From May (or from March indoors)
Planting depth:
10 cm deep
Planting distance: 20 cm apart
50 cm high
Flower diameter: 10 cm wide
Partial shade
Soil PH: Humus-rich, loamy, sandy soil - Slightly acidic/neutral
Winter hardiness:
Not hardy
Propagation: Good
Family: Araceae (arum family)
Colour: Purple/white
Bee-friendly: No
Fragrant: No
Bulb size: 20+


Other zantedeschias

  • Bio Calla 'Crystal Clear'
  • Bio Calla 'Garnet Glow'
  • Bio Calla 'Gold Crown'
  • Bio Calla 'Night Club'
  • Bio Calla 'Orange Alert'


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