Growing Calla Lily Flowers? Here’s the Detailed Guide for You

Growing Calla Lily Flowers? Here’s the Detailed Guide for You


The calla lily goes by the name of Arum lily. The botanical name of the plant is Zantedeschia aethiopica. They are flowering plants from the Araceae family. Native to South Africa and Eswatini, these plants are perennial. They are said to be rhizomatous and herbaceous. They are evergreen especially in places where there is adequate rainfall and are considered to be deciduous with dry spells. They like growing in streams, ponds, and on the banks. They can grow as tall as 0.6 to 1 meter. The arrow-shaped green leaves are generally darker in shade, the leaves can be about 45 cm long. The flowers are large and generally blooms in spring, autumn, and summer. There is a pure white spathe which is about 25 cm long, and a yellow spadix about 90 mm long. The speckled foliage and the stunning blooms would enhance the beauty of almost every place. The flowers are similar to lilies, but they aren’t lilies at all.

The spadix is responsible for the sweet and faint fragrance. The Calla lily plant contains calcium oxalate – and due to the presence of the same, they can cause burning sensation or swelling of lips and tongue if consumed. Stomach pain and diarrhea are some of the other possibilities. The plant is naturalized in Kenya, Madeira, New Zealand, Australia, Zambia, California. In some places like in Western Australia, they are known as toxic weeds and pests. The calla lily flower is the national flower of the island nation Saint Helena, they are quite popular and grows widely there. It is also a symbol of Irish republicanism and nationalism since 1926. It is said to be used to commemorate the dead of Easter 1916 until now. They are nowadays famous for their ornamental uses.

Arum Lily Flower

Easy to grow

The calla flower can be grown quite easily, one just needs to follow some basic techniques to make sure that the calla lily plants grow to their best.


They are tropical and like a warm environment. If you are from some hot place, put your arum lily in partial shade. If you are from a temperate environment, they can thrive in full sunlight.


Don’t overwater them, or water them too heavily. When you plant them and they are at their initial stage, control your watering levels. When the rhizomes are established, water them once a week. If you are from a hot climatic place, you can increase watering a bit. Remember that if they are planted indoors, they need constant moisture.


A rich and well-drained soil would be perfect for the calla lily flower. They grow beautifully when they are grown alongside ponds. So, they like to stay moist. Don’t keep them waterlogged to prevent root rot.


They do need to get fed once they are planted. Do that every spring, at the beginning of the growing season. Use a well-balanced fertilizer. Don’t choose nitrogen-heavy fertilizers.


They like warm environments. The temperature between 60 and 80 degrees F is perfect. A decent amount of humidity and moisture is needed to make sure they bloom perfectly. Just when the temperature drop below 50 degrees F, they would enter dormancy. Dig up the rhizomes, for overwintering, as frost can kill the calla lily.

Calla lily bulbs

The calla lily bulbs can be used to propagate new flowers. They are known for their long-lasting cut flowers. They can be grown in containers as well. the flower bulbs come in different colours, namely yellow, white, red, and the unique black one. They can be used in bouquets, arrangements, and other decorative purposes. They also act as an air purifier. They won't need much attention. To plant the calla lily bulbs, use a grow bag and soil, you can also use pebbles to pair with the plant.

You can plant them in zones 8 to 10 as they are winter hardy. You can plant them outdoors in the spring, just ensure the risk of frost is passed. To plant them in a container, just pick one with enough drainage holes and have well-draining soil. Any potting mix would work. If you are into outdoor landscape planting, select a spot with filtered light and moderate shade. Dig some holes and plant the tubers shallowly, make sure the eyes face upwards and the tops are covered with soil. Soak the soil after planting.

Allow them to rest for a few months, as the flowering is finished. You can apply a layer of mulch, straw, and leaves around the tubers. Dig up the tubers and store them in moist peat moss.

Pink calla lily

Funnel-shaped flower

The botanical name of the pink calla lily is Zantedeschia rehmannii. This is one of the most adoring colour varieties of this plant. The funnel-shaped charming shape of the flower is enough to show off. They also come in other colours like rose, lavender, and violet. They are a bit smaller than the white and yellow calla lilies. The long tapered leaves with their deep green touch and faint white spots accompany the charming pink colour beautifully.

White calla lily

Creamy fingerlike centrepiece

The white call lily or the Zantedeschia aethiopica grows about 3 feet tall. The flowers are quite popular because of their lovely size, which can be about 10 inches long. the creamy fingerlike centrepiece makes it much more attractive. They generally bloom in the late spring to mid-summer. The leaves are upright and arrow-shaped. The solid green and glossy look of the leaves is worthy enough to plant. The white calla lily can tolerate cooler temperatures, unlike the other Callas. They can take in 50 degrees F. they are marginal aquatic.

Blue calla lily

Has a royal touch

The beautiful blue calla lily looks much different from the other Callas. They have more of royal touch. The vibrant blue colour makes it look much more exotic. They symbolize royalty, serenity, and peace. They are popular at weddings, funerals, parties, and baptisms. They are popularly known as wedding lilies.

Black calla lily 

Has arrow-shaped leaves

The Zantedeschia Odessa features striking dark black-purple shades. The black calla lily has trumpet-shaped flowers like most other Callas. The flowers are surrounded by arrow-shaped dark green leaves. The leaves have white spots on them. They remain on display for weeks and can stay from the summer until fall. They grow about 50 to 60 cm tall.

Yellow calla lily

Tuberous and perennial boasting number

The yellow calla lily, also known as the golden calla lily has a botanical name of Zantedeschia elliottiana is a tuberous and perennial boasting flower. They have a trumpet-like shape and are about 15 cm long. the yellow finger-like spadix looks stunning. Give them full sun to part shade, and keep them moist. They can stay for weeks and keep attracting visitors.

Red calla lily

Bloom in early summer

They are quite easy to grow and are known for their fire-engine red cones. They are softly mottled with orange flex and have an orange spadix. The red calla lily has wide and spotted foliage, and bloom in early summer. They prefer to stay sheltered from the afternoon sun. they won't have a problem growing in zones 3 to 10. They can be 16 to 20 inches tall.


Do calla lilies need sun or shade?

It depends on the place and surroundings. If you are from a hot and drought-like place, provide them with enough shade. In temperate places, they need full sun.

Do calla lilies come back year after year?

They are perennial plants, so they come back every year in their growing season.

Is a calla lily an indoor or outdoor plant?

They can be grown both indoors and outdoors. They do just fine both in the ground and in containers.

How do you take care of calla lilies?

Calla lilies need a decent amount of humidity and moisture to grow. Use a balanced fertilizer at the starting. Give them water once a week in the beginning.

What conditions do arum lilies like?

They like a warm environment with temperatures between 60 and 80 degrees Fahrenheit. They don’t like winter, so make sure you dig up the rhizomes for overwintering.

Are arum lilies poisonous?

Yes, they are poisonous. All the parts of the arum lily are poisonous including the spike and spathe. Eating them can have symptoms like swelling, stomach pain, vomiting, and diarrhea.

Do arum lilies spread?

Yes, they do spread. They are spread by seed and root fragments. They are also spread by birds and water. With proper treatments, they can spread a lot quicker.

How do I care for a calla lily indoors?

 Keep the soil moist and soggy. Provide bright and indirect light. You can apply liquid fertilizer once a month. Always keep them away from AC vents and heaters. Reduce watering levels when they enter a dormancy period.


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