To Water or Not to Water?

We pride ourselves on creating sustainable lawns and gardens, so how much to water is a tricky question. As you know, water is a valuable resource and we need to use it wisely.
With that in mind, plant care cannot be quantified to a specific formula. It requires some observation and judgement depending on the plant, soil, weather, exposure, and time of year.
First, check the soil. When the soil is still moist, plants are ok. When the soil feels dry, it is time to water again.
Below are some additional guidelines to help you care for your plants.
  • Watering in the morning is best, so that the plants can absorb the water before the heat gets to them. The risk of watering at night is that the damp leaves might encourage fungus problems.
  • Method and Duration. Newly installed landscaping is most easily watered using a sprinkler or soaker hoses. Your sprinkler may need to be moved around to cover the entire planted area. Leave the sprinkler on for about 30 minutes in each area so that the ground is thoroughly moist. Soaker hoses all “weep” at different rates, so you will need to monitor these the first few days to get a sense of how long it takes to adequately water the plants.
  • Woody plants (trees and shrubs) need to be watered 2-3 times per week for the first season. Perennials and groundcovers, with their smaller root systems, may require watering every day or every other day, depending on weather conditions until they start to establish. Give the soil time to dry out between waterings, but keep watch for plants that look wilted. Wilting, most common during hot summer weather, means the plants need additional watering. New hydrangeas are especially prone to wilting, but almost always bounce back after a good watering.
  • Additional Watering for Newly Planted Trees. Trees require additional watering beyond regular sprinkler watering. Remove the sprinkler and place the end of the hose on a slow trickle a few inches from the trunk of each newly planted tree. Leave hose on this setting for 30-45 minutes for each tree for 1-2 times per week until the there is a heavy frost and the tree enters dormancy for the winter.
  • Additional watering for new sod or seed. Newly installed seed or sod should be kept moist for the first two weeks and foot and pet traffic should be avoided. If installed during cool weather, water with a sprinkler once in the morning. If installed during warm weather (75 degrees or above), water twice daily: once in the morning and once in the early evening. For the remainder of the season, reduce the frequency to 2-3 times per week to encourage deeper root growth.
  • Additional Watering for Containers. Plants in containers tend to dry out more quickly than in-ground plants. For small containers, daily watering is recommended. For containers larger than 30”, follow above watering care instructions.
  • Watering for Established Plants. After the first season, plants should be watered one time per week during cool weather and 2 times per week during dry and/or warm weather (75 degrees or above). After the third year, the plants should sustain themselves with normal rainfall. During times of drought or extreme heat, even established plants will need and benefit from supplemental watering.
  • Remember that it’s also possible to over water your plants. Watering daily is only recommended for small containers, not in-ground plantings.
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