The Calla Lily Are in Bloom Again

_{Isn't this plant just unique? WOW? Look at those beautiful flowers. Now imagine growing calla lilies in your home.}

To add to your indoor plant collection, you can grow calla lilies in different shades. You find them in pale pink, white, or some dramatic colors from black to orange.

But before the indoor calla lily plants bloom, you need to take care of them. So, today we will show you how planting calla lilies can brighten up your living space to create a splash of color.

What Are Calla Lilies?

Many gardeners have a different name for the calla lily, calling them the arum lily, a loved plant amongst gardeners for its fragrance and ornamental display. We cannot agree more as calla lilies blooming is fantastic.

But you see, the strange thing is it is not a lily, but they do share similar qualities. The flowers are used for wedding floral arrangements as well. The plant is graceful, exotic, and sensual, leaving countless gardeners surprised how easy they are to care for and grow.

Another notable difference is that when you care for white calla lilies, it is different from the colorful hybrid ones. The white bloom is semi-aquatic as the calla lily rhizomes are always thirsty. In contrast, the colorful cousins prefer a higher ground as the tubers enjoy drainage.

Interestingly enough, this tropical plant comes from South Africa, and you find them growing along the rivers.

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Growing Calla Lilies

Great, now that you know some background history check out the short and sweet of taking care of your exotic plant here:

Scientific Name: Zantedeschia aethiopica

Common Name: Calla lily or arum lily

Plant Type: Rhizome

Native to: South Africa

Blooms: Summer

Maximum Size: Up to 3-feet tall

Watering Requirements: Moist but well-drained depending if you have the white lily or a hybrid

Light Requirements: Full to partial sun

Preferred Humidity: Decent amount of humidity

Preferred Temperature: Warm environment

Soil or Potting Medium: Organically rich soil

Fertilizer: Not high in nitrogen

Propagation Method: Rhizome or rooting division and calla lily bulbs

Vulnerability: Bacterial soft root and fungal diseases

Toxicity: Toxic to pets

_{Recommended Potting Mix}

Calla lilies grow well in moist, rich in organic loam in garden beds and containers with well-drained soil. Yet, as mentioned, your white arum lily prefers damp soil compared to hybrids.

The important thing is the ground needs to drain well as you do not want them to become waterlogged, leading to root rot. Thus amend the soil with some organic matter.

_{Lighting Needs When Growing Calla Lilies}

One thing is sure this plant is true to its tropical nature and thrives in warmer environments with plenty of light. Still, if you live in humid weather, we recommend placing them in partial shade to full sun in a warmer climate.

But if the temperature summer climate is more then provide them with full sunlight. So it helps to check out the temperature and humidity to determine if your plant needs sun or partial shade.

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_{Watering The Arum Lily}

Calla lilies grow inside or outside the home. When grown indoors, your calla lily flowers need constant moisture. The reason is that pots dry out faster compared to planting them in the ground.

The important thing is to keep an eye on the soil and nourish it once you notice the soil is slightly dry. But do not overwater or leave the ground soggy as it can make your plant sick.

_{Ideal Temperature & Humidity}

Your calla lily loves a warm environment as we do, yip sunbathing and taking up all the sun. So it helps to provide your plan with temperatures between 60° to 80° F. Another thing your plant will thank you for is humidity and moisture, so do not go and put your calla lily in a dark place.

But if the temperature drops below 50°F, your plant goes into dormancy, and best to dig up the rhizomes outdoors for overwintering before it starts to freeze. You do not want your plant leaving you for plant heaven. Yet if your flower is indoors, you will not need to do this.

_{A Few Tips For Fertilizing}

Usually, your calla lily needs no feeding. Yet, if you want them to grow better, you can use a liquid fertilizer without ammonium in it.

You can use one part of fertilizer mixed with a gallon of water once every two weeks for one season. You can do this at the beginning of the growing season as it helps to promote the calla lily flowers.

Still, prevent using a feed that is high in nitrogen as it can reduce the flowering.

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_{Propagating Arum Lillies}

The fantastic thing is you can propagate your calla using rhizome or rooting division. You can also grow them from the bulbs. Then, when your lily starts to form clumps, you can divide them into individual plants.

Still, the best time to do this is when the growing season ends after flowering, and the foliage turns yellow. So here are both methods described for you to generate more plants.

_{Calla Lily Rhizomes Division}

Whether the foliage grows indoors or outdoors, you will need to pull the rhizome out of the ground.
Gather a clean pot with soil and make a circle around the root when growing outside.
Pull the root out and remove the dirt and place them in a shady to the well-ventilated area for a few days. Refrain from wetting them.
Once the rhizomes have dried out, take a sharp knife to separate them. Make sure it has at least one root growing from it.
Plant the rhizome in the new compost in a pot or a new garden bed with at least six inches of space between it and other plants. Keep the ground moist, or you can store the rhizomes over the winter.

_{Growing From Seeds}

Okay, this method takes longer, up to three years, to bloom. First, you must pre-grow the seed by spreading them on a damp paper towel covered. Then, place the seed in a cool location and keep checking them after a couple of days from growth.

If any of the seeds show no sign of growth, discard them. Now place the seeds in a soulless medium such as barely damp peat moss or plant them in a pot with a thin layer of potting medium. Again, keep the ground moist and keep an eye out for growth. Finally, remove the weakest ones from each of the containers.

_{USDA Growth Zone}

As a tropical plant, the calla lilies grow well in the USDA hardiness zones eight through ten. During summer, they will die back but do regrow every year. Still, in colder zones, you need to plant them as an annual.

But a note of forewarning from the California Invasive Plant Council is that the arum lily is a weed listed on the invasive species of California.

_{Potting and Pruning}

Okay is the roots of your calla lily look a bit overcrowded and root bound? Then it is time to repot your plant to thrive. You can invest in a pot that is three inches deeper and wider than the current one.

All you need to do is lift out the flower and place them in the larger ones.

Now is also the right time to provide them with fresh soil and keep it moist for a few days. A great option is using a terracotta pot, allowing air and water to move freely through the walls. Still, it can dry out the soil fast, leaving you with frequent watering.

Yippee, your flower does not need regular pruning, but you can remove the wilted flower stems.

You can pinch it just below the base of the blooms using your fingertips. Still, if you live in a warmer zone, cut it down the ground at the end of the growing season.

Oh yes, wear a pair of gloves when doing this to avoid the sap from getting on your skin.

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Calla Lily Varieties

Your common calla lily has a yellow or white spadix and is the hardiest of most hybrids found. Still, there are other cultivars developed to add to your indoor plant collection or garden.

_{Zantedeschia 'Edge of Night}

You will love the black to a dark purple color resembling a black velvet tint placed alongside your other calla lilies.

_{Zantedeschia 'Red Alert'}

Now, if red or orange is something you love, this plant is sure to surprise you with some spectacular blooms from May to August.

_{Zantedeschia 'Picasso'}

As the name implies, this bulb is sure a Picasso with its purple throat to bring color combinations to your white lily.

_{Zantedeschia 'Sunshine'}

Nothing will cheer up your living space or garden more than this plant with its bright yellow flower adding some sunshine to a dull home.

Calla Lily Plant Diseases & Pests

Cally lilies have been known to be disease resistant. However, multiple factors can affect the plant's nature that invites disease and pests. A notable problem is a bacterial soft root that affects calla lily bulbs.

Another problem is botrytis, a fungal infection causing a gray mold growing on the petals, leaves, and stems.

To prevent the risk, it helps not to overwater the potting soil. Also, when planted outdoors, it helps to make sure each flower is far apart with enough air circulation. Some pests that can cause issues are aphids, spider mites, and slugs. To treat your plant, insecticidal soap or using horticultural oil such as neem oil helps.

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Source: https://plantly.io/plant-care/calla-lily/