Heavy rainfall has the potential to cause major devastation, run-off and even mudslides. Highly saturated soils make it hard for plants to survive. In wet soil, it is almost impossible for roots to take up all the oxygen that the plant needs, which causes the roots to decay. Deep roots are the first to rot. If the condition continues shallower roots will also be damaged.
Even plants that don't appear to be flooded may have
problems during extended wet weather. And you may not see the damage until next
summer. One of the best defenses for your winter landscape is to make
sure you have healthy, well-drained soil.
Horticulturists suggest the following tips on how to prevent
run-off and yard damage:
- Since good drainage is
extremely important to plant health, pre-storm chores should include clearing
a place for the rain water to go - clearing weeds from the run-off ditches
in yards as well as cleaning out rain gutters and spouts.
- Amend compacted soil with
compost. Adding a few inches of compost to hard, dry soil will open soil,
increasing water holding capacity, improving drainage and decreasing
runoff.
- Opt for six-packs of
groundcover plants as they have larger, more mature roots (beneficial on sloped
areas)
- Save top-heavy plants,
such as ice plants, for flat areas since they tend to become water-logged
and uproot on hillsides during heavy rains
- New landscaping may need
additional care during storms
- Rocks can prevent run-off
by stopping pathways of rainwater
- Prune trees before storms
happen as strong rain storms can cause dead branches to fall and damage
property
- Plants that have fibrous
roots, such as California wild lilac, are ideal to plant for controlling
erosion
- Hemp nets can help keep
seeds and new grass in place on hillsides during heavy rain
- Newly created slopes will need to be covered with plastic from top to bottom as they tend to have unstable soil
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