Elephant Ears

Alocasias
boa
culculata
kapit
portora
Colocasias
Chicago Harlequin
Cranberry
Elena
Ele Paio
Illustris
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Growing showy, tropical "Elephant Ear"  plants is possible even in cold weather zones. These plants make a great showing as a backdrop or a center of interest in any garden. If temperatures average below about 40-45ºF (roughly 4-7ºC) for any extended period of time, the root system - tuber(s) - must be dug up and stored in a cool, dry place until replanted the following warm season.

1. Before planting the elephant ear tuber, wait until the danger of frost is over and the temperature averages 45ºF (7ºC) or more.
2. The adult elephant ear plant will need at least 3 feet (1 meter) of space, at a bare minimum, for proper growth and show in a relatively shady area. A really healthy plant may need as much as 5 feet (1-2 meters) of space.
3. Dig a hole, and if possible, in rich, organic soil about 3-4 times the size of the tuber.
4. Refill the hole as necessary with loose soil enough so that the tuber will be about 1-2 inches (2.5 to 5 cm.) below ground level when planted.
5. Lay (plant) the tuber with its top up - if in doubt, plant the tuber sideways and let nature figure it out!
6. Cover the tuber with soil and water deeply. After watering, about 1" to 2" (2.5 cm - 5 cm) of soil should cover the tuber.
7. Mark the spot where the tuber is planted.
8. Wait 1 to 3 weeks - maybe more (depending upon air and ground temperature) for first growth to show.
9. Elephant ear plants perform reasonably well in average soil. Periodic fertilization (every 2 to 4 weeks) with a common plant fertilizer will help them do their best.
10. Good drainage is a big plus, but the plant should not be left to go dry for any length of time. When this happens, the droopy leaves will give early enough warning for the plant to recover nicely if watered within a day.
11. At the peak of the warm season, large, beautifully lush foliage can grow to heights of 3 to 5 feet (1-1.6 meters). If any leaves turn brown at the edges, just cut away and new ones will certainly grow.
12. The plant will start having difficulties when the temperature falls below 50ºF (9-10ºC) or so for more than a few days. Before freezing temperatures take over, the tuber (root system) will have to be dug up.
13. A healthy plant will have developed multiple new tubers during the growing season. It's best to leave these intact during storage. Separation will not do significant damage though.
14. Trim most of the green vegetation (top growth) off the top of the tubers: leave no more than half to 1 inch of leafy growth on the tuber. Let the freshly trimmed tubers sit in open air so they can visibly dry out before final storage - maybe a couple of days at most will do. Drying out will minimize the potential for mold, and bacteria to develop.
15. Store the tuber during the colder, winter months in a cool, dry place (45-55ºF is desirable). Don't store in a plastic bag: a plain paper bag with plenty of holes for ventilation will do nicely, as will storage in sphagnum peat moss or garden vermiculite.
16. When the warm season comes around again, separate the tubers as necessary, plant anew and enjoy!