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Fast
Growing Tropicals -
Delicious
Colors and Form for the Outdoor Garden
by
Byron
and Laurelynn Martin
Create an exotic, defining look in your outdoor
garden by using fast growing tropical plants.
Large leafed bananas make a dramatic statement in a mid-summer’s
design, while exotic climbing vines with bright yellow or pink flowers make
an arbor sing with excitement. Or
simply use tropicals as border plants and bring color and beauty to a garden
walkway.
We especially like the
“Hardy
Banana” or Musa Basjoo banana for an exotic look. It’s a tall grower, up to 12
feet when grown over several seasons and forms a clump or a stand of
multiple plants that becomes a show stopper. The good news is this banana
can be left in the garden after the season is over and wintered over.
Other bananas we use for foliage color are Musa
‘Zebrina,’
also known as the “Blood Leaf Banana,”
and Ensete
ventricosum ‘Maurelii’ or the “Abyssinian Banana.”
Musa
‘Zebrina’ is unique in that the young foliage is colored
with maroon spots and patterns and unlike other bananas, it can grow from a
2 1/2 inch pot in the beginning of summer and reach heights of six feet or
more. With full sun, lots of
water and lots fertilizer ‘Zebrina’ will reward you with eye-catching
color all season.
The last banana that we like to grow outside for summertime
is the Ensete
ventricosum ‘Maurelii’, the “Abyssinian Banana.” Although
classified in a separate genus, it looks and acts like a banana.
A native of
Ethiopia
, it is an extremely rapid grower with huge red leaves that fill out
quickly. Unlike most bananas
this one has a single stem and doesn’t form offshoots but remains a
solitary plant. The “Blood
Leaf” and the “Abyssinian” bananas can be wintered over in pots in a cellar or garage
that doesn’t freeze. If
planted in the ground they can be dug up or lifted and placed into pots. The
foliage, which is left on over the winter, will turn brown and dry up,
however the trunk and base of the plant will remain alive. In the spring
they can be trimmed back and brought out to the light. With increased water
and warm temperatures they will start to re-grow. Light and food is not
needed during the winter and only enough water to keep the soil from
becoming parched.
Our next group of plants that we love to grow along
a garden walkway or use in mixed containers is Salvia’s.
The annual salvia has for many years been used to brighten the summer
garden however there are many tender perennial varieties that create
beautiful splashes of color. They are usually taller plants and tend to be
looser and often wispier in form yet add
a charming effect to the garden. Salvia
‘Hot Lips’ is one of those with bright red and white flowers
that stand tall and wave in the patriotic summer sun.
Salvia
coccinea ‘Peach’ has soft color tones, is a fast grower and one of
the few truly everbloomers in our collection even flowering throughout the
winter. Its tall sprays of bloom
add whimsical summer color to the lazy days.
Our list wouldn’t be complete without Brugmansias,
better known as Angel’s Trumpets. These
dramatic flowers will grow to astounding size with large fragrant flowers in
one season. Start with 4” pots
in springtime and by the end of the summer you will enjoy a salutation of
foot long flowers dangling off a five-foot tree.
Angel’s Trumpets can also be wintered over in a basement or cool
garage. The trick to growing them is sun, fertilizer, water and more. As one
gardener put it, if you think you’ve given them enough feed, give them
some more.
We have two begonias that perform like champions in
our outdoor spaces. ‘Christmas
Candy’ is fast, free flowering, blooms under varying light
conditions and does exceptionally well in hanging baskets, window boxes or
mixed containers. You can also bring it in and it will keep flowering, under
full sun, through the winter months. Like most begonias it take a hard
pruning with ease. And Begonia
‘Tea Rose’ which sports small pink flowers with an
intermittent fragrance is not quite as fast a grower yet will do well in
filling out pots for a summer show. For best results, grow this one in some
direct sunlight, which darkens the leaves and heightens the flower color.
Both begonias are awesome summer performers.
Another fast grower
that can be used in baskets or mixed containers
is Impatiens
Repens.
This little know relative of the common impatiens is mainly used as a
foliage plant though it will sporadically bloom with bright yellow flowers.
It has a draping habit and trails over a pot’s edge making an accent to
any upright form, and it’s fast.
Finally,
three vining varieties that will quickly cover a stake, arbor or
wall are: Stictocardia
beraviensis ‘
Hawaii
,’
Passiflora
‘Blue Bouquet,’
and Thunbergia
'Sunlady,'
Stictocardia
is a fast growing vine that does not like to be contained. Let it run
around an arbor or latticework and by the end of the summer (August and
September) you’ll be amazed with its 2” orange-red blooms. If you grow
it in a pot and train it on a stake it will flower all winter in a sunny
spot. Passiflora
‘Blue Bouquet’
has dark blue flowers and blooms heaviest from August
to September. We have had over 100 blossoms open at a time on a spring
planted vine.
We have used Thunbergia
'Sunlady,' to cover our mailbox post and love the feel of
glowing bright yellow flowers with its dark eye watching our street. This is
similar to T. alata however it will flower in our greenhouses 365 days out
of the year even under the diminished light.
Enjoy a different look this spring with these
amazing exotic tropicals.
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