Happy Fall!
My fall perennials are blossoming in these shorter days. May I recommend fall asters, dwarf goldenrod, and Mexican mint marigold if you do not have them in your garden? They are amazing, hardy plants that suddenly burst forth when almost all the other spring and summer bloomers are ready to sleep after a long very hot summer. Plus, they make me smile.
The softer light and cooler temperatures have caused me to return to working regularly in my yard. Small tasks like weeding and cutting back overgrown or tired plants are pleasant and rewarding. I am somewhat surprised that I am still soaking my new plants multiple times a week due to the dry October weather, and I certainly hope we can be blessed with some soaking rains soon!
Fall is for planting. Be sure to plant your trees and shrubs now. When we finally get a freeze, be sure to water them thoroughly and cover the tender or young plants. An extreme freeze can take out extremely hardy plants if they are not established. Unfortunately, I know this too well. Don’t be me.
Happy Gardening!
Davene
Cover Crops
Flying over the west central portion of the country, I could not help but notice the difference between the green irrigated crops and the disturbed brown soil in adjacent fields. Flashbacks to the dust bowl entered my mind immediately followed by the importance of keeping the ground covered, when a few crop circles appeared with a slightly patchy but green surface. At a macro level, cover crops save topsoil from blowing away and can help with nutrient deficiencies as well as trapping soil moisture and harboring beneficial microbes. The principle of keeping the ground covered works in our much smaller gardens as well.
Weeds are nature’s answer to bare ground. If the soil receives enough sunlight and a few drops of water, opportunistic seeds lying dormant are activated and can quickly establish themselves. These shade the ground and put down roots to bind the soil to prevent loss by wind or flood.
Instead of cursing the weeds, I use them as a sign that there may be too much open real estate or bare soil for them to ignore. Alternatives to weeds are plentiful.
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Mulch - shredded hardwood or Texas cedar mulch applied over the ground 2-4 inches deep can save a lot of weeding. I prefer to apply this in the late winter before most of my perennials wake up so I have fewer obstacles to mulch around.
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Leaves - instead of stressing about raking and bagging leaves every fall (and spring for those of us with live oaks), why not let them stay where they fall - within reason. They can be mulched into turf grass with a mulching mower and spread around planting beds as free mulch. If the leaves are large or many inches deep, consider chopping them up with a mower and then spreading them throughout your yard. Free fertilizer!
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Cover crops - legumes and some wheat can be grown as cover crops in your vegetable garden to help fix nitrogen in the soil for future crops. Once you are ready to plant your edibles, chop then down and let them mulch the soil. This has benefits above and below the soil line.
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Living mulch - mulching is not my favorite gardening chore. Taking cues from the weeds, I have started planting ground covers such as sedums, ajuga, lambs ears, sedges, juncus, and natives like frog fruit. Even low-growing shrubs like blue rug junipers, prostrate plum yews, St. John’s wort, and coralberry are great at spreading and covering large areas of ground. Less mulching for me!
What are some of your favorite living mulches?
Our September meeting will feature Stan Aten enlightening us about bulbs to be planted in the fall. The great news is that most bulbs push right through living mulches. This month, you can invest in the future - perennial bulbs and fewer weeds. Best September ever!
Happy gardening!
Davene
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