Here’s a deep thought for you: how a plant is watered is just as important as how much it’s watered. Start watering deeply for more robust and rugged root systems and thriving, happy plants. In this article, we’ll take a closer look into deep watering: its benefits, how to do it, and some other consideration to help make your landscape the best on the block.
What Does It Mean To Water Deeply?
There’s no cut-and-dry definition of a deep watering. Most gardeners generally refer to it as when water has soaked at least eight inches into the soil. This gives plants the structure required to survive lack of water, whether from a drought, a busy gardener, or other environmental stresses.
5 Perks Of Deep Watering
- Water gets to where it’s needed most – The majority of a plant’s root system is well below the surface. Deep watering ensures water gets down to the roots instead of lingering at the surface.
- Develop strong root systems – Plants that receive frequent watering don’t bother developing strong root systems. Why should they? We’re training their roots to stay near the surface where the water is, leaving them susceptible to stress, especially when we miss a few days of watering. Once water-stressed, it may take weeks for a plant to recover, or it may never fully recover!
- Protection during drought – The top of the soil dries out quickly. Delivering the water deeply shields it from evaporation.
- Use less water – Deep watering is efficient watering. For most plants and vegetables, one inch delivered once a week is adequate. If your plants act like they need more, you might not be watering deep or often enough.
- Save money and time – This one’s a no-brainer.
Watering Deeply How-To
The keys to successful deep watering are simple: infrequently and slowly. But let’s dig a little deeper…
- First, check your soil’s moisture. Moisture meters help but your finger will do just fine. Be sure to get eight inches down and near the roots. Does the soil feel dry?
- Next, water your plants with a steady and light stream. Fast running water slides off the top of the soil, taking your time and money with it. Clay soil is especially slow at absorbing water so be patient.
- Wait 30 minutes for the water to percolate down.
- Recheck the moisture level. If the water hasn’t soaked down eight inches, water a little longer.
- Wait 30 minutes and recheck the soil.
- Once you’ve moistened at least eight inches down, you’re set. Be sure to note the total time it took along with the number of watering cycles and the water flow rate.
Mulch offers a second layer of protection for your plants. It slows evaporation, preserving soil moisture which is especially important for our hot Texas summers. Mulch also deters the spread of garden pests. Check here for tips on effective mulching in our area.
Drip irrigation is specifically designed for deep watering. The drip emitter sits at the base of the plant delivering water right to the roots, minimizing evaporation and eliminating runoff. Installing a drip system is easier and cheaper than you might think and it allows you to vary the amount of water each plant receives, ensuring each one gets just the right amount. If you’re new to drip, check out this Environmental Services blog for an introduction.
Native plants and wildflowers are accustomed to drought situations, so they’re naturally inclined to grow longer roots and be more resilient. To really save water and money, choose native plants whenever you can and you’ll have significantly fewer struggles in the garden and landscape.
Deep watering is a game changer. In our hot, demanding climate, proper watering technique is a make-or-break, especially during prolonged dry periods. Save water and save your plants this summer.
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