We have become acutely aware of how our lifestyles affect weather patterns. As such, smaller climate pockets change as the phenomenon affects our landscape and gardens.
Microclimates are defined as “the climate of a very small or restricted area, especially when this differs from the climate of the surrounding area.” A macroclimate refers to larger or broader climate patterns of a city, region or continent. As climate is generally influenced by sunlight, wind patterns and bodies of water or heat islands, so too is a microclimate in your yard.
The essential elements of a microclimate affect all areas of your yard. Each of these should be considered when planning and planting. That begs the question — where is the best suited location for growing every plant?
1. Wind
What is the wind speed in your area? Is it daily, seasonal or weather specific? A plant or tree above 4 feet will not tolerate much wind. Wind changes the temperature as it freezes and can cause damage to many plants.
2. Moisture
Our area is arid and dry. We are in drought often without enough rainfall. Desert plants are tolerant and efficiently use every drop. Our soil takes a while to absorb moisture, and when we have heavy rain, we have flash floods. Cacti, as finer veined plants, do not require as much moisture and are better hand-watered than system-watered. Monsoon season is ongoing and runs into next month.
3. Temperatures
We know that unlike other areas with four seasons, we have just two: hot and hotter. In the desert, we are not impacted by lake effects but more by aridity. Rocks add a thermal element to the area, so consider their placement.
4. Elevation
Elevation can play a role with temperatures and drainage. Cacti do not like their feet wet. Good drainage is important to allow drying out. Keeping plants moist but not wet is your best solution.
5. Light
Does this plant need six hours of sun, or does it prefer shade during the day? Light in each area effects changes in temperature, water retention and growing needs.
These are just some of the optimal conditions when figuring out where the microclimates are in your yard. Referring to seed packet recommendations or researching online will aid in longevity of your plants..
Harriet Phelps is a Pinal County Master Gardener.