| Your guide to
the art of gardening in a hot dry climate |
Hot Gardens Newsletter: November 2003
List of previous newsletters by
month
Cold Air, Warm Soil.
After a long, sizzling hot summer, temperatures have
dropped abruptly, signaling winter is at our doorsteps.
If your garden is below the 4000 foot level you may
still have time to install trees and shrubs to give them
a head start for next year. While our air temperatures
are now cooler, the ground is still warmer than it will
be in early Spring, so plant now.
If you are above the 4000 foot
level, winter is here--or on the way--so wait until next
Spring for major landscape installation. Everyone--whatever
altitude you live at--should add mulch to flower beds and
around trees and shrubs now!
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Jack in the Beanstalk trees. In
the children’s story, the magic beanstalk sprouted
and grew sky-high overnight. While we cannot promise
you instant, tall, shade-giving trees, there are
some that grow fairly fast. The
Chitalpa (Chitalpa x tashkentensis)
will grow 2 feet or more every year to a mature
height of 25 to 30 feet. Better yet, this
heat-loving tree blooms with pink, white or lavender
flowers all summer long. |
Another fast grower is the
majestic
Chinese elm (Ulmus parvifolia). It can reach 30
feet tall within 5 years and ultimately can grow to a height
of 40 to 60 feet. It has a graceful weeping shape, as does
the Nichol’s Willow-leaf Peppermint tree (Eucalyptus
nicholii). Again, you can count on growth of 2 feet or
more per year with this low-water usage eucalyptus which
grows to 50 feet tall. The bark is reddish-brown and the
leaves, when crushed, smell like peppermint! You can find a
list of more trees that will grow fast in our southwest
desert climate on
Fast Growing Trees.
Spouting Off. If
you are considering disconnecting your expensive fountain
forever because of the drought, you don’t have to remove it
or leave it standing bare. It can be easily transformed into
a beautiful container for plants to give you seasonal color.
Combine flowering annuals such as purple, lavender and white
petunias with trailing ones such as the chartreuse-leafed
sweet potato vine. Plant densely for the most dramatic
effect.
If you intend to keep your fountain
as a water feature, remember to run it frequently, if only
for a short time, to prevent damage to the pipes and pump
from lack of use.
Iris Love. We have
to confess to a passion for Bearded iris (Iridacese)
and if you act quickly there is still time to plant rhizomes
for fabulous blooms next year. Plant them shallowly, just
below the surface. After the flowers fade, the upright
leaves continue to give a vertical structure to a garden
border. Iris thrive in the sun and do not like “wet feet”.
The Bearded iris is a low water usage plant, except for
those water-guzzling, repeat bloomers that flower in both
Spring and Fall. Consider combining iris with scented
geraniums (Pelargonium) for a perennial border that
remains gray-green year ‘round and can survive some neglect.
Almost Native. Our
efforts to grow a bougainvillea this year produced so-so
results and old-timers promise us that our struggling plant
will freeze and die over winter in our Mojave
desert garden. (Those of you in the Sonora
desert, in and around Phoenix, will probably have better
luck.) But a low-water usage climber that has bloomed
profusely in yellow, gold and orange for months is the
Trumpet creeper, a native of South Africa
that acts like a local. It needs support and can grow to 30
feet in one season. It can also be used as a ground cover on
a steep, dry slope. As with virtually all low water usage
plants, it will need regular watering until it is
established.
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More gardening news for you
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For a burst of color in fall
plant a Fan Tex Ash Rio Grande.
Other trees are
here. |
Have your shade and eat
pistachios, too! Learn about
nut trees for desert gardens. |
Preview the many
gardens at Balboa Park
in San Diego. |
Our 8 Most Popular Hot Gardens Newsletters:
1. Flowering plants that reliably bloom in scorching mid-summer heat.
2. Australian plants and trees that grow well in hot, dry climates.
3. Weather-proofing palms for winter; cold weather palm trees.
4.
A white garden for night time
viewing.
5.
Topiary can be easy to create
and add charm to your garden.
6. Techniques to combat death by heat exhaustion of plants in pots.
7.
Cactus as security barriers
for your property.
8.
South African aloes for
brilliant late winter color in your garden.
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2003-2011 Carol Lightwood All Rights Reserved.
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