Calla lilies are hardy in USDA plant hardiness zones 8 through 10. ... When planted in water, the rhizomes can remain outdoors as long as the water doesn't freeze at the planting depth. You can also transplant your callas into pots and grow them as houseplants.

Can you plant calla lilies outside in the ground?

Planting callas

Blooms can last for months. In Zones 8 and warmer, plant rhizomes outside in spring about 4 inches deep, preferably in a damp location with a bit of afternoon shade. Let the leaves yellow and die back over winter, but don't dig the plants since they're dormant, not dead.

How do you take care of a calla lily outside?

Outdoor Calla Lily Care

Outdoor calla lilies need to be watered when the soil gets slightly dry. However, take care not to overwater them as they dislike soggy soil. Typically, outdoor calla lily bulbs will start to sprout within eight weeks of planting – all they need is well-drained, porous soil.

When can you plant calla lilies outside?

Plant the calla lilies outside when the weather is warm and dry in the spring. Planting calla rhizomes in cold wet weather causes them to rot. Choose a location that contains moist soil. Calla lilies do tolerate wet soil like the area around garden ponds and streams.

Can calla lilies be planted in the garden?

Once all risk of frost has past, calla lilies can be grown in the garden, in pots or in a border. A bright well-lit spot out of the strongest midday sun is ideal. Avoid full shade, but plants will tolerate partial shade. Calla lily must be sheltered from wind.

How To Grow Calla Lillies

Are calla lilies indoor or outdoor plants?

Although an outdoor plant by nature, the Calla Lily will perform wonderfully as an indoor plant. Keeping this rhizome happy indoors is a matter of paying attention to some very basic growing conditions. The Zantedeschia aethiopica is native to southern Africa.

Do you deadhead calla lily?

Calla lilies don't require regular pruning, but you should deadhead the flowers as they wilt. Removing parts of the plant should not kill it. ... Cut them back at the soil level and dispose of any plant debris, and they'll come back in the spring.

Where is the best place to plant a calla lily?

They prefer to be located in full sun or partial shade in warmer climates. Calla lilies are typically planted in the spring. However, wait until the threat of frost has passed and the soil has warmed sufficiently before planting calla lilies. Calla lilies should be planted rather deep, about 4 inches (10 cm.)

Do calla lilies grow well in pots?

Pots for calla lilies should be at least 10 to 12 inches (25-31 cm.) in diameter and well-draining. While calla lilies need consistently moist soil, improper drainage can cause rots and fungal diseases. The planting medium should also retain moisture but not stay too soggy.

How do you keep calla lilies blooming?

1. Keep the soil moist, but not soggy.
2. Provide bright, indirect light.
3. Apply liquid fertilizer monthly while in flower.
4. Keep away from heating and ac vents.
5. Reduce watering when the plant enters dormancy (November)
6. Cut the leaves off at soil level once they've died.

Do calla lilies only bloom once?

Many people treat their gift calla lilies as annuals. They receive a potted flower, or buy them for spring decorating, and then toss it when the blooms are done. In truth, though, calla lilies are perennials and you can actually save your potted plant and watch it bloom again next year.

Can calla lilies take full sun?

SHADE AND SUN: In warm climates, calla lilies grow well in full sun or partial shade. In cooler areas they grow best in full sun. ZONE: Calla lilies are winter hardy in zones 8-10. In colder areas they can either be grown as annuals or can be dug up in the fall and stored indoors for replanting the next spring.

What is the difference between calla lilies and canna lilies?

Canna flowers form on spikes at the top of the plant. Callas, on the other hand, are tiny, forming along the yellow center spadix and surrounded by the spathe, or modified leaf, which most people think of as the bloom. Cannas usually bloom between midsummer and late summer, while callas bloom in early summer.

How do you plant calla lilies outside?

To grow callas outdoors, plant the rhizome 4 inches deep and with tips facing up after the last spring frost. Select a location with porous, well-draining soil, picking a sunny site in cooler climates but a partial-shade site in warmer regions. Water whenever the soil is dry, taking care not to overwater.

When can I plant cannas outside?

If planting cannas straight outside, wait until late May or after risk of frost has passed. They will be a little behind cannas which have been grown on indoors, but will still put on a good display of foliage from mid-summer onwards followed by flowers a little later.

Can calla lilies be split?

Dividing calla lilies is not difficult. Lift calla rhizomes in fall after the foliage turns brown and pulls away from the roots easily. ... Cut or break apart the rhizome, making sure each section has at least one eye. Let the rhizomes dry for a day to form a callus over the cut before replanting.

How long will a potted calla lily last?

Expect potted callas to bloom for three to nine weeks, depending on their variety and growing conditions.

How do you take care of potted calla lilies in the winter?

Calla lilies will overwinter outdoors in Zones 9-11, but in most places they need to overwinter indoors. If you've grown the plants in pots, you can simply move the pots inside to a dark location for the winter without having to dig at all. Just repot them in fresh soil in spring.

Why is my calla lily drooping?

The leaves may become limp and drag if you have given the plant too much nitrogen fertilizer, which encourages leafy growth. They will also droop if the soil condition is too dry or too wet. The problem can also simply be that the blooms are too large.

What grows well with calla lilies?

Good companion plants for perennial calla lilies planted in the woodland garden include ferns, astilbes, hostas, ligularias and impatiens. In a container, annual calla lilies combine well with petunias, dusty miller, allysum, creeping jenny, heliotrope or dichondra.

What do you do with calla lilies after they bloom?

1. Reduce watering after your Calla Lilies have finished blooming for the season and the leaves start to turn yellow.
2. Once the foliage dies back completely, cut it down to the ground.

How do you plant calla lilies in pots?

Plant the calla lily rhizomes about 2 inches deep in a well-drained potting mix with the eyes (or in my case shoots) facing up. After potting, water well and place the containers in a warm spot. Keep the potting mix moist, but not wet (or you will rot the bulbs).

Why are calla lily leaves turning yellow?

Yellow leaves are a sign of problems in the roots of the plant, for a number of different reasons. Yellowing leaves, known as chlorosis, is sometimes caused by a nutrient shortage in the soil, most often nitrogen, iron, zinc or some other trace element. ... Another common reason for yellowing calla lilies is root rot.

Will calla lilies rebloom after cutting?

Unlike many other flowers, calla lily deadheading won't cause the plant to create more blossoms. Each calla is designed to create a certain number of flowers, sometimes one or two and other times as many as six. Once those blooms have died off, the plant will only show foliage until the following spring.

What is the death lily?

Arum lily is a perennial herb growing up to 1.5 m high, with very recognisable large arrowhead-shaped leaves and large white funnel-shaped flowers. Arum lily is widely cultivated in Australia as a hardy garden plant and for use in the floriculture trade.