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life span of elephant rose dog banana tree
iii)Banana tree life span is twenty-five years.
elephant ear lifespan
Giant elephant ear (Alocasia macrorrhiza) is a great example of the diversity of plant life.
— it’s reminiscent of plants from the age of dinosaurs with leaves up to 3 feet long, rising from the ground like a primeval giant on 10 foot stalks. It grows in U.S.
Department of Agriculture plant hardiness zones 9 through 11 and is often used for a dramatic effect near swimming pools and patios.
Giant elephant ear grows big and bold throughout the summer months and then dies to the ground each winter as part of its normal life cycle.
Elephant Ear Seed
Giant elephant ear begins its life cycle as a seed.
The seeds are produced on what looks like a corncob encased in a little hood, called a spathe.
These can be seen rising from the roots on leafless stalks amid the foliage in mature clumps of elephant ear. When the seeds are ripe,
they become plump and turn bright red. At this stage, they detach easily from the stalk and can be planted immediately.
An elephant ear planted from seed does not produce its massive leaves in the first year.
The plant slowly develops its root system, composed of corms.
— modified tubers that each supports one set of leaves.
Big corms develop little corms on the side and a patch of giant elephant ear slowly grows from the spreading tubers. After two or three seasons.
the root system is large enough to produce truly giant leaves and — if conditions are optimal — the plant begins to flower and produce seeds.
As a patch of giant elephant ear grows larger over the years,
it spreads by way of rhizomes and the division of its corms to create new, adjacent patches.
As a faster alternative to seed,
the plants can be intentionally propagated by vegetative methods, resulting in a clone of the parent plant. Transplanting a corm is the easiest method of vegetative propagation.
Old patches of giant elephant ear need rejuvenation to stay healthy and looking sharp.
Over time, the roots system crowds itself, causing some of the corms to die from lack of soil and nutrients. In the process, the overgrown areas begin to appear ragged and unhealthy.
The leaves can be removed to improve the appearance, but ideally the corms should be divided to create more space.
Add new soil around the roots after some of the old corms have been removed to refresh and invigorate the patch.
how long do elephant ears last
Special Note: Storage works well for 2-3 years, after that corms will begin to decline and you will need to buy new corms
how long do elephant ears live
do elephant ears last all year
ELEPHANT EAR VARIETIES TO GROW
Their rapid growth creates a show even during a short growing season, making them worthy as one-shot annuals of benefit to northern gardeners. But among the 70 or so species and their cultivars, there are small,
medium, and large sizes; leaf shapes from wide hearts to slim arrowheads;
colors accentuated with bright veining and spots; and textures from slick and glossy to thick and waxy.
While their use in gardens has given them their current cachet, many also make good houseplants.
ELEPHANT EAR CARE
High drama and bold texture are the signature benefits of showcasing elephant ears in a garden or container. Growing them is simple — they like filtered sun or shade and rich, moist soil. They’re grown from tuberous rhizomes and can reach impressive sizes quickly.
Fully hardy in Zones 10 to 11. Elephant ears will only truly thrive in warmer areas similar to their native humid climates of Southeast Asia, and with daytime temperatures of 70 to 85F, and nights no lower than 60F. They can be grown in cooler areas, but will need to be replanted each year.
In colder zones, the tuberous rhizomes can be dug up and stored over winter.
After a frost, do the following:
- Cut back foliage
- Dig up rhizomes
- Allow to dry for a few days
- Store in an open container with peat moss or dry potting soil barely covering the rhizome
- Keep them cool (45 to 55 degrees), and dry
For winter protection outdoors, cover the base of the plant with 4 to 12 inches of mulch.
Most prefer filtered sun or shade, but some tolerate full sun. In general, green types can take higher light levels; darker-leaved ones need more filtered light or shade.
Elephant ears need rich soil that is moist (not saturated), but well-drained. Most don’t like wet feet, though a few are tolerant of wet conditions—like the big-leaved colocasias you might see in water gardens. A general rule is big, green elephant ears are practically indestructible and can tolerate variable moisture conditions; dark-leaved types will suffer if over watered and can stay dry for several days.
To prevent disease problems, water in the morning so they go into the night dry. If possible, water from below at the root zone rather than from above, to keep water off the leaves.
They’re not heavy feeders. Apply a slow-release fertilizer at planting time, following package directions. If foliage shows yellowing, it’s probably a micronutrient deficiency. A fertilizer with micronutrients can be applied, or sprinkle Epsom salts around the base of each plant on a monthly basis.
DESIGNING WITH ELEPHANT EARS
Add oversized elephant ears to the perennial border for a dramatic focal point. A plant with large green leaves also gives the eye a rest amidst masses of colorful flowers.
Alocasias make good companions and dramatic centerpieces in mixed containers, used with other foliage plants and flowering annuals that like filtered sunlight and moist soil. Use one of the larger types in a big pot for a showstopper.
Purple-foliaged species combine well with silver, pink and chartreuse plants.
Combine elephant ears with other tropical-looking plants like cannas, bananas, variegated tapioca, caladiums, and coleus for a summer jungle garden.
An alocasia in a container placed out in the garden can be a movable focal point, and can hide the bare spot left when spring-blooming bulbs go dormant.
Do elephant ears bloom?
Yes, they can bloom; however, it is not common or predictable. Some gardeners report blooms (called spathes) in spring after bringing their plants outdoors and fertilizing, while other gardeners never see them bloom. These plants are grown primarily for their tropical foliage.
Are elephant ears perennials?
Most are perennials in Zone 9 and warmer, where they will come back each summer. If gardening in cooler zones, you can treat them as annuals or dig up the tubers before the first frost and keep them in a cool, dry place over winter.
When do elephant ears sprout?
Elephant ears usually sprout three to eight weeks from planting. Sprouting occurs when the weather begins to warm in spring. They will sprout faster in warmer climates than in cooler climates. To speed up the process, you can start them inside and move them outdoors once it warms up.
Why are my elephant ears turning yellow?
If the leaves are turning yellow, it could mean there is a problem. Try changing the amount of sunlight or water the plant gets and possibly apply a fertilizer. Alternatively, the plant may be going dormant for the season. Cut back the yellow leaves and wait for it to return next spring.
Can you plant elephant ears in a pot?
Yes, elephant ears can be planted in pots. Since they grow quite large, you’ll want to select a container that is roomy and stable. Container-grown plants can easily be moved inside when cold weather arrives and enjoyed as houseplants.