![]() Which mulch you choose is, again, partly budget, partly aesthetics, and partly ease of installation. Eventually (ideally), the plants will fill in and mulch themselves. If you turn off the spigot on the area to conserve water, you will also be turning off the spigot for the tree.Ħ) Mulch can be anything used to suppress weeds and moderate soil temperatures while your new planting still shows a lot of exposed soil. It needs water, too, and its roots snake through the area under its canopy and well beyond. The one thing I encourage you to remember as you consider your options for irrigation is not to forget about your existing tree. You can save a lot of money by just dragging hoses and setting out sprinklers but the hose-dragging method requires some labor and dedication which your schedule may or may not allow. If you use microsprays, each microspray will cover a wider area than a drip emitter but you will have the nozzles sticking up around your space and as they get knocked around, you'll need to keep them in alignment. If you use an in-ground irrigation system with pop-up nozzles, you will cover the most square footage with the least amount of heads but it will be the most expensive method to install. If you use drip irrigation, you need enough pipe lines running throughout the space to put an emitter at each plant. The plants don't care so long as they get the water they need to grow. I've seen it done that way but the method has pros and cons.ĥ) There is no one perfect method of irrigation they all have pros and cons in terms of cost of installation, water conservation, aesthetics, maintenance, etc. It also depends on how quickly they establish and that is dependent on site conditions like soil, exposure, irrigation, etc.Ĥ) No! don't plant the thyme through the turf - unless you know for sure the turf is completely dead and you are just leaving the dead grass in place to avoid erosion. You have some wiggle room (in school, we used to say 'when do you want impact?!'). 8" on center), they will cover the space quicker, if you plant them further apart, they will take longer (ie. Here's the link to the CSU Soils lab: ģ) How quickly your thyme fills in depends in part on how closely you plant the individual plants if you plant them close together (ie. ![]() A good way to figure out what you have, whether you should amend your soil, and with how much is by getting a soil test to start. If not removed, KBG will act as a weed in your thyme and because it is rhizomatous, it will spread and take over.Ģ) Soils in Denver usually tend to be fairly rich in minerals but lacking in nitrogen and either sandy or clay. ![]() You didn't say this, but I am assuming your existing lawn is Kentucky Bluegrass which is the typical turf in Denver. I'm going to take each of your questions in turn but, firs,t here's a fact sheet from CSU Extension that addresses retrofitting a yard generally: ġ) Yes, you must remove all the turf grass before you plant thyme.
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