Hydration is Important for Plants as well as People in the Warm Weather

Sometimes watering less often and deeper is better during the summer months.

Beat the Heat
Summertime temperatures have started to soar, with several days topping out at 90º + and more such days likely on the way. While many people feel uncomfortable in such heat, plants are more tolerant and can thrive in such conditions as long as they are well cared for. Without proper attention, however, containers, window boxes, hanging baskets, flower gardens and the lawn may suffer damage. Here are some tips on how to help the garden beat the heat.

Containers Need Extra Care and Water
Container-based plants are often the most at jeopardy in high heat. The reason for their elevated risk is that the planters hold limited moisture and during a heat wave they can heat up and contribute to accelerated evaporation, leaving the plants super dry. Two telltale signs of a dry container include a pot that feels lighter than it should, and some separation of the soil around the rim. The way to remedy the situation is to water the pot thoroughly, wait for a minute, then water it again. This process should be repeated in the morning and again at night on extremely hot days. If schedules do not allow for such waterings, consider relocating the containers to a spot that is cooler (i.e. more shade). 

The Lawn
Lawns are pretty resilient, but in prolonged dry conditions, a little intervention may be needed to keep it lush and flourishing. First, start by limiting the frequency of watering to a few days a week. While this may seem counterintuitive, it’s an important step to remember. In some ways, it is beneficial to stress the lawn so grass roots have to push deeper to get the water resources they need. Secondly, when watering, do so deeply, don’t simply give it a little spray with the hose, let the water really soak in. This will also help encourage deeper root growth and ultimately a more heat-resistant lawn. The other key tip is to keep the grass a little long, about 3” seems to be the right length. At that height it helps shade the soil, keeping ground temperatures low and preventing water loss.

Flowers and the Garden
Water loss is also a key consideration with flowers and gardens as well. Watering techniques are similar to the recommendation for lawns, but with one difference. With flower beds and gardens a rapid application of water can lead to erosion in the garden, so it is always best to water deeply, but apply the water at a slower rate.

Following the simple tips and tricks above can help maintain happy, healthy plants all summer long. So help the plants beat the heat, and they’ll reward all their admirers for months to come.


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