Elephant Ears (additionally know as Colocasias, Alocasias, or Xanthosoma) are heat climate crops with massive outsized heart-shaped leaves that resemble the ears of an elephant. Whereas the forms of crops are native to totally different components of the world (South America, Central America, Asia, Africa, and Australia), they’re recognized to be easy-to-grow crops that thrive in hotter climates. However they can be utilized as annuals, that are dug as much as winter indoors till it’s heat once more in cooler areas.
Elephant Ears are additionally recognized for his or her fast-growing foliage and the means to succeed in a mature measurement in only one rising season, making them an excellent choose for fast summer season greenery or as a focus in a flower mattress. Somewhat than conventional bulbs, Elephant Ears develop from corms (additionally known as “tubers”), that are a swollen underground stem that resembles a bulb they usually develop over time as they’re planted again and again.
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Often Requested Questions
Are Elephant Ears poisonous to pets or people?
Sure, Elephant Ears are poisonous to each pets and people, so care must be taken to put them out of attain of children or pets that could be tempted to nibble on them. It’s additionally a good suggestion to put on lengthy sleeves and gloves when pruning the crops because it accommodates a compound that may irritate pores and skin with direct contact.
Can Elephant Ear crops keep outdoors within the winter?
You’ll wish to test the chilly hardiness zones for the number of plant that you just purchase as it might probably fluctuate from one plant to the subsequent. Some winter outdoors in areas as chilly as zone 6 whereas others can solely tolerate a zone 9 winter.
How usually ought to I water Elephant Ears?
Elephant Ears are excessive water crops and the extra water you give them, the extra they’ll develop! Whereas the bulk favor to have moist (not soggy) soil, some varieties may even be put right into a pot that’s submerged in water and grown as a marsh or pond plant. Throughout summer season, potted crops will must be watered each day (and even a number of occasions a day) to keep away from the soil drying out.
How a lot daylight do Elephant Ears want?
Most varieties need full solar to partial shade, however there are some like Black Magic that favor a good shadier state of affairs. If the local weather is extraordinarily scorching, an space that gives some afternoon shade is preferable. Vegetation with darker leaves want extra gentle to maintain their coloration, however the sunnier the spot, the extra you’ll must water the plant to maintain up with its moisture necessities.
If you’re conserving your plant indoors as a houseplant, you’ll wish to discover a sunny window the place it’ll obtain quite a lot of vibrant, oblique gentle. Keep away from direct daylight on a houseplant as that may trigger leaf burn.
Ought to I fertilize my Elephant Ears?
Like quite a lot of different massive tropical crops, Elephant Ears do properly with heavy feeding, so that you can provide them an excellent basic goal fertilizer no less than as soon as a month.
Temperature and Humidity for Elephant Ears
As they’re largely tropical crops, Elephant Ears favor daytime temperatures round 70°F and don’t prefer to go beneath 60°F at night time. Most crops can’t deal with a winter beneath USDA zones 8 or 9, except for varieties just like the Colocasia esculenta Pink China that may survive cooler climates like zone 6.
These crops thrive in excessive humidity, so they’ll wrestle outdoor in a hot-yet-dry local weather. You should utilize a humidifier close to an Elephant Ear houseplant or mist the plant usually.
Planting Elephant Ears
Examine the number of Elephant Ear you have got for spacing earlier than planting as they will develop between 2-6′ large. You’ll wish to wait to plant till nighttime temperatures are constantly between 50-60°F. Plant corms 4-6″ deep (bigger corms are planted on the deeper aspect) in properly draining soil.
If rising in a container, plant the Elephant Ear in properly draining soil in a big container with drainage holes. Use a mix of potting combine (add vermiculite or perlite to assist the soil correctly drain if not already included in your combine) and a heavy dose of natural matter for vitamins (issues like plant roots, leaves, mulch and animal manures).
Repotting Elephant Ears
You possibly can repot a potted Elephant Ear that’s outgrown its container by dividing the plant, separating any new corms from the principle bulb, and repotting the divided plant and new corms in recent soil.
Pruning Elephant Ears
In the course of the summer season rising season, you possibly can lower off any brown leaves on indoor or out of doors crops on the base of the plant to make means for brand new progress.
If you’re leaving your Elephant Ears outdoors all 12 months lengthy, you’ll wish to lower them again to arrange them for winter. After the primary frost, it is best to lower the plant stalks right down to about 2-3″ off the bottom and the plant will regrow through the subsequent heat season.
TIP: It’s a good suggestion to put on lengthy sleeves and gloves when pruning an Elephant Ear because it accommodates a compound that may irritate pores and skin with direct contact.
Overwintering
Earlier than the primary frost, in zones 3-7, crops should be dug up and introduced inside. You possibly can both prune again the stems and dig the corm as much as retailer in a cool, dry place over the winter (like a basement or storage so long as it’s not freezing in there). Lay the freshly dug corm out to air dry for every week to forestall root rot, then wrap in paper and retailer in a cardboard field.
To create a houseplant over the winter, you possibly can go away a few leaves intact and plant the Elephant Ear in a container till the climate warms up once more. In case you selected the houseplant route, you’ll wish to “harden” the crops within the spring by shifting them to a coated porch for a couple of days to acclimate to the outside earlier than planting within the floor.
Propagating and Dividing Elephant Ears
Whenever you dig up your corm on the finish of a season, you’ll see that there are smaller corms beginning to offshoot from the principle bulb. Carrying gloves to guard from the sap, merely break off the smaller corms (or lower off with a sterile knife), permit the lower areas to dry and heal, after which wrap them in paper to retailer together with your predominant corms over the winter. Plant the small corms within the spring to provide extra crops.
Sorts of Elephant Ears
The selection of Elephant Ear varieties is quite a few, however the preferred ones come from the Alocasia, Colocasia, and Xanthosoma genus:
Alocasia
- Polly: A smaller cultivar, this plant showcases ruffled leaves with white veins.
- Zebrina: A standout species with zebra-striped stems.
Colocasia
- Espresso Cups: This hybrid plant boasts a singular leaf form because the foliage folds upwards to kind a cup form.
- Black Magic: This selection has purple-black leaves and is likely one of the hottest black leaf cultivars.
- Thailand Big: One of many largest varieties, these leaves can develop as much as 4′ large by 5′ lengthy.
- Illustris: Extraordinarily darkish inexperienced matte leaves are the hallmark of this plant. Brilliant inexperienced veins accent the leaves, and, quite than corms, the crops unfold by underground runners.
Xanthosoma
- Lime Zinger: These massive chartreuse to lime-green leaves have arrow-shaped leaves. It grows 2 to 4′ tall and as much as 3′ large.
- X. lindenii: This selection showcases a ravishing silvery and white leaf.
Diagnosing widespread issues
- Pests: Aphids, mealybugs, and spider mites are the principle pests for Elephant Ears. If an an infection happens, apply a horticultural cleaning soap to the leaves to deal with the pests.
- Fungal leaf blight: A extra widespread problem for Elephant Ears, when you see lesions that ooze a purple or yellow fluid, you’ll wish to take away the affected stalks and leaves earlier than it spreads to the remainder of the plant.
- Yellow leaves: This is usually a signal that the plant is getting both an excessive amount of or too little daylight, that you’re overwatering or under-watering, or that you’re over fertilizing or underneath fertilizing. Tweak your water and feeding first to see if that helps after which think about altering its location if the yellowing continues. Yellow leaves may also seem when the plant is solely beginning to go dormant for the season.
- Drooping leaves: Leaves can droop in the event that they turn out to be too heavy (you should utilize a stake if wanted) or as a result of it’s worthwhile to modify their water, meals, or gentle stage. Temperature may also trigger the leaves to droop if it turns into too chilly.
- Wilted leaves: Usually, wilting leaves are as a consequence of too little gentle or water. Strive watering extra usually and transfer to a much less sunnier spot if that doesn’t do the trick.
- Stunted leaves: Leaves that keep smaller or develop in deformed normally point out that you just want extra meals, gentle, or water.
Often Requested Questions
Is Elephant Ear the identical as Taro?
Colocasia esculenta is the species of Elephant Ear that Taro comes from. The corms of the plant are harvested and used equally to potatoes for meals after being peeled and cooked.
