Different
plants have different capacities for the up-take of water.
In
the absence of sufficient water, some plants go through a change of
root structure (perhaps dropping shoot growth) or use accumulated
water reserves in the plant stems, depleting plant girth.
The
overall result is substantial limitations to net growth of the plant
at the leaf level, reduced ability of the plant to efficiently
utilize photosynthesis and thereby maintain a green and healthy
appearance, and a reduced capacity to reproduce.
As
plant roots dehydrate, it is suggested that the leaf responds to
chemical signals produced in the root area, closing stomata (pores in
the leaf) as they attempt to keep their water status constant. This
also results in reduced CO2 sequestration by the plant. The necessary
emphasis on water conservation will continue the plight of the water
loving plants we are use to.
THE
MIX
There
is no mix to resolve drought tolerance. What will help is the use of
mulch – or an increase in the amount of applied mulch everywhere in
your garden to best advantage, and also around but not in direct
contact with trees. This will slow evaporation of any water that
continues to be available and applied.
ALTERNATIVE
PLANT PALETTE:
Succulents
tend to be thick, and small-leaved plants that store abundant water
in their tissues. They are not immune to water deprivation, but
extremely tolerant to the lack of it. They are generally easily cared
for and come in many shapes and sizes, and hues of green and blue, to
vivid reds, orange, pinks, orange, and purples.
Aguinaga
has designed and tested a cactus / succulent mix with a high
infiltration rate for excellent drainage and organic material to
retain moisture and a robust nutrient package.
Call us at 1-877-OC-MULCH for additional questions and to order product.
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