The horror of Bermuda grass

"The horror of Bermuda grass" was the title of a PowerPoint slide shown in a Phoenix Permaculture Guild class we took a few years ago. I'm not as anti-grass as some people I know. I think it can have a place in an environmentally conscientious landscape; for example, in children's and pet's play areas, which is what this part of our yard was when we first moved here. But it does not have a place in the raised beds in which we are attempting to grow fruits, vegetables, and flowers, and keeping it at bay is horrible- a never-ending, sweaty, itchy, and time-consuming battle.

In an attempt to control its incursion into areas it is not wanted, I do a lot of hand-pulling, usually the day after the beds have been watered. In the summer  we run the drip irrigation tubing for an hour every three days. That's sufficient to moisten the soil to the one-foot level needed for most annuals, including vegetable plants, and unfortunately is also the ideal schedule to promote healthy deep-root growth in lawns. Weeding right after watering makes it easier to pull, and gets up more of the roots, although it's never possible to get it all out. I also plant things fairly thickly, especially around the perimeter where depending on the season, I plant nasturtiums, petunias, sweet alyssum, and/or marigolds. Some gardening sites recommend the use of glyphosphate as the only way to kill it roots and all, but I haven't found that method particularly useful. In general, I prefer to avoid the use of chemicals in places where I am growing things I plan to eat, and besides that, it doesn't work all that well! The few times I tried it, despite my careful attempts to spray only the Bermuda grass, desirable plants died while the grass responded as if it were fertilizer!

This bed is now our largest, created by joining two raised beds together. You can see where the old raised bed ended- the marigolds in the center of the photo formed the border of the old bed. In the back, next to the fence, is an asparagus bed, a small orange tree, and an apricot tree that produced about 20 pounds of fruit this year. We are currently growing tomatoes and green beans in this bed, along with zinnias, marigolds, and some petunias that have so far refused to die. The bare area is the newest part of the bed, but there are dozens of zinnia seedlings coming up, so it won't stay bare for long. The flagstones are for access for harvesting...and for weeding.