Zantedeschia 'Odessa'. Zantedeschia 'Captain Chelsea'. Zantedeschia 'Amigo'. Zantedeschia albomaculata. Zantedeschia rehmannii. While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.
Read More. Becoming a contributing member of Gardenia is easy and can be done in just a few minutes. We use cookies on this website, you can read about them here. To use the website as intended please Accept Cookies. Alphabetical Plant Listing. View or Create Collections. The size of the rhizomes is highly correlated to the overall size of the plant and its blossoms. The bigger the rhizome, the bigger the plant and more spectacular the flowers. Full sun is best in cool summer areas but part shade is preferred in hot summer areas.
Calla Lilies perform best in organically rich, moist, well-drained soils. Consistent moisture is essential, but avoid overwatering to prevent rot.
Choose a sheltered position and add some well-rotted organic matter before planting. Calla Lilies are well-suited for bog or marsh gardens, for planting near ponds and streams, as border plants or for containers. Some Calla Lilies e. Zantedeschia aethiopica can be grown in water up to 12 in. Use aquatic compost and a 12 in. Calla Lilies are winter hardy in hardiness zones - However, please note that hardiness varies among the species and cultivars.
In cooler climates zones , the tubers are planted in the spring, after the danger of frost has passed, and usually treated as annuals. Most varieties also have mottled or marked foliage that is attractive even when the plant is not in bloom. Callas prefer a slightly shady location but will grow in full sun if it's not too hot. Their blooms are relatively long-lasting but usually finish up by mid-July. You can purchase calla lily rhizomes in spring at garden centers and nurseries.
Plant the rhizomes in spring in pots or directly in the garden in soil amended with well-rotted compost, manure, or sphagnum peat moss. The plants are sensitive to frost, so wait to plant them until all frost danger is past. Around February when there's sign of growth I place them in the sunniest window south-facing where they usually bloom in weeks. One thing I did last year was pour one on can of Pepsi on them early on in March as I knew it contained phosphorous and believe it or not, that year I got dozens of blooms whereas the years previous I was lucky to get This year I didn't do the Pepsi thing and barely got any blooms at all.
I don't know, but I'm tempted to try the Pepsi thing again. As an aside I tried for years to get callas to bloom and had no success. Then I heard that callas grown in pots actually bloom better when they're root-bound so mine are probably really crowded in their inch pot. I cut my leaves off last week and I will be digging up the bulbs tomorrow or Tuesday.
I store them in peat moss, in plastic vegetable bags the sort with the small holes in them in the fridge. You might prefer to store them in paper bags - I store most of my bulbs in paper bags, but I find these are more sensitive to drying out than the others, so I switched them to the vege bags a couple of years ago this is definately a situation where you will have to find out what works best for you. If you have a cool C garage or basement then that would also be a good storage place - you don't have to use a fridge :- You can store them warmer if you have to, but I find they come out of dormancy too early if stored much above fridge temperature.
Next spring, towards the middle or end of April, I take mine out and pot them up inside in " pots there is almost always some root developement at this point and occasionally they've got shoots as well.
In a couple of weeks, they'll be able to go outside during the day, and once it's routinely above 5C at night I leave them out. I put them into bigger pots at this time as well. Mine spend the whole summer in pots, so I'm not experienced with growing them in the ground, but I think you'd be best off if you waited until early June at the earliest if you wanted to plant them that way.
If the soil temperature is too cold it will set them back and cause problems with flowering, and our ground stays pretty cold for quite awhile! Thank you Bonniepunch for sharing your experience. I will follow your example but I will probably keep the bulbs just in the store room in the basement. For one thing my fridge is pretty small, for another, I am not sure my husband would like me to keep bulbs I dug up from the soil in it, even if I have washed them very clean!
What to put in these planters? Need some Landscaping Advice. Need advice to add curb appeal to my house. New border beds. I would like to say though that I had a very interesting experience with these plants. One fall, I unknowingly left some bulbs in the ground.
My plant had multiplied during summer and I didn't realize there were more bulbs there. So next spring, they came up They have survived winter. However, I would say, this is was very unusual. Generally speaking all calla lilies will die if left out during winter. Instead of planting the callas in the garden and then digging them out and storing them in the fridge for the winter, why not think about using the method that I use I have all my calla, begonias and canna some of each variety , planted in planters.
After the frost gets the foliage in the fall, I cut off the foliage and bring in all the planters. I place them in my cold storage area where the potatoes, carrots, dahlias, etc. I then will take the planters out, water them and let them go again for another year.
Every few years I divide the planters with the cannas in them. But as for the callas, they have been in the same large rectangular planters for 3 years and I won't need to divide them for a few years yet. I do add a little slow release fertilizer, mixed into the top of the soil, each spring in all my planters. While cannas are best grown in submerged pots, you can plant callas directly in the mud.
Sarah Moore has been a writer, editor and blogger since She holds a master's degree in journalism. Canna Lilies Vs. By Sarah Moore. Related Articles. Identification Canna lilies grow from rhizomes and are perennial in U.
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