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Wednesday, August 7, 2013

How to care for your landscape in this super-hot weather

crying about it won't help
When the weather in north Texas lingers around 100 degrees, and won’t budge, it’ll undoubtedly take a toll on your landscape. This inhumane heat is usually accompanied by relentless drought too, which can spell doom for plants. There’s not
much you can do to change the temperature, but you CAN help your plants survive, although tender, non-native plants are likely to wither away.

Make sure that plants in your yard are native (or well-adapted) to the Texas heat. (You probably should have considered this several months ago, when selecting your plants.)  The plants you have now, that die, should just be left in place. The “remains” will naturally mulch adjacent plants, helping them survive.

Resist the temptation to plant new plants right now, unless you’re prepared to give them extensive daily maintenance. Many plants are nearly dormant in this heat anyway. (As a Landscape Architect, I tell my customers who want to plant now just to dump them right into the trash, after buying them. They’ll probably end up in the trash anyway, and you’ll be saving a step.)   

Right now, mulch is essential. Just about the worst thing you can do is rake up and remove all the “leaf litter” of dead leaves, small twigs and dead plants that currently serve as a natural mulch, keeping moisture from evaporating rapidly and providing a bit of much-needed shade to the root-zone of plants.

For a grassy lawn, cut it as high as possible. Grass won’t grow much now anyway - so you may be able to cut your grass just every other week. The lawn mower I have is now set at “4” (as high as it will go). The logic behind this is that the millions of grass blades provide shade for the root-zone of grass plants; and more shade means more green grass and lower water usage.

When you do water, try not to let the water run off – the object it to allow it to soak into the soil, encouraging roots to grow deeper. Exactly how you accomplish this depends on the watering system and the topography of your landscape. Some folks water for a just a few minutes, every hour or so. Others water in the early morning. The method is not crucial, just keep the goal in mind.

For potted plants and hanging baskets, try putting lots of ice cubes on top of the soil. As they slowly melt they’ll thoroughly water the plant, instead of letting much of it pour out the drain-hole, as it does when liquid is dumped on all at once.

Speaking of water, put out as many birdbaths as possible during the heat. Temporarily use anything that can hold water, and refresh it daily. (an upside-down garbage can lid is more enticing to birds than many “birdbaths” I’ve seen sold in stores.)

Despite everything, some plants are bound to die. That’s the world’s natural process. But remember, the cooler days starting in mid-September aren’t very far away.

1 comment:

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