Differences Between Xeric and Mesic Plants
Many homeowners don’t know the names of plants in their yards or landscapes. Most can look at a plant and know if it is a tree, shrub, or flower but not its name much less how often it should be watered and with how much. This pyracantha was known as a “plant with berries” to a homeowner trying to calculate its landscape water use. Pyracantha does have berries but it is considered “mesic” in its need for water. Xeric plants vs Mesic plants Lower water use trees, shrubs and flowers are watered less often. They should get the same amount of water when they are irrigated but don’t need it as often. That’s how xeric, or lower water use, plants operate. One way to find out if an unnamed plant is xeric is to water it less often during the cooler months. In the long run xeric plants are watered less often. That’s how they, and you, save water in landscapes. If it starts looking bad to your eyes or dies, then it is most likely not xeric. Big Trees are Seldom Xeric Another method is their size. Big trees are seldom xeric. Xeric plants are not big. They tend to be smaller. The bigger xeric trees and shrubs grow where water collects; arroyos, waterways, and desert springs. This young shoestring acacia is a 40 foot tall mesic tree from Australia that grows along waterways. This shoestring acacia was “topped” (not done that well I might add) probably because it was getting too tall for that spot. Shortening its height will reduce its water use but not how often it needs water. Big trees use more water than smaller trees. This is true even if you buy one that is small and it grows big when it gets older. Just like kids. You don’t know if your child will become tall or not until they get closer to that size. Oh wow…which side of the family did HE/SHE come from? How to Reduce Water Applied to Your Landscape During these cooler fall months, start watering less often and see what plants start looking not so good. Try adding more drip emitters to those plants looking not as good as you are watering less often. This gives these plants more water but still less often.
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