| Your guide to
the art of gardening in a hot dry climate |
Hot Gardens Newsletter: August 2003
List of previous newsletters by
month
Summer Break. July rains have given our
Southwest desert gardens a break from the heat, but it is
still far too soon to begin Fall planting. You should wait
until the daytime temperature is consistently below 100
degrees F. which will probably be in mid-September.
Anorexic Plants. A little fertilizer
will give your potted plants a needed boost right now.
All the water they have received in the last couple of
months has washed away nutrients in the potting mix.
The poor little plants are half-starved. Just make sure
the fertilizer is diluted or use slow-release fertilizer
sticks. And if the leaves are turning yellow with green
veins, you may need to add a chelated sulfur fertilizer,
such as Kerex.
Double Your Iris. If you have large clumps of iris
that should be divided, dig them up and divide the rhizomes
now. But wait until September to replant them. Keep them
in brown paper bags in a dry place until replanting. Other
perennials should be divided when cooler weather comes.
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Who Needs Grass?
Water restrictions giving you second thoughts about
a green grassy lawn? We recently saw a small front
yard that had been entirely planted with gold
lantana. It was brilliant! |
Another idea for lawn replacement is
ornamental grass, such
as Deer grass (Muhlenbergia
rigens) or clumping blue fescue (Festuca ovina
glauca). Both need very little water and neither need
to be mowed. The Deer grass should be trimmed back in
January. One variety of Deer grass is called ‘Regal Mist’
and it has lovely, airy purple blooms in the Fall. Combine
“Regal Mist’ with lantana for a spectacular, water-wise
front yard.
It will make you forget you ever loved green lawns!
We now have several pages of
suggestions for lawn replacement.
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Fast and
Beautiful. Consider planting the
Chinese elm (Ulmus
parvifolia) this Fall, the best time of year to
plant all trees and shrubs, except for palms.
Under the right conditions the Chinese elm can
reach 30 feet in 3 years and once established it
needs infrequent, deep watering. If you plant it
in a lawn where it will receive water regularly, it
will eventually reach a height of 50 to 60 feet. As
the Chinese elm grows its branches arch into a
weeping shape.
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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 leafy trees are
here. |
Clematis is just one of
many beautiful vines that
can grow in hot, dry climates. |
Preview the many gardens
of
Santa Barbara
including
the Mission Rose Garden. |
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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