Weeds grow, well, like weeds, out of the cracks of the pavement with nothing but municipal runoff to keep them alive. Meanwhile I have to work tirelessly to keep my tomato and pepper plants happy and fruitful. Why do weeds dominate a garden?
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Weeds are super tough plants that can survive almost anywhere. They have special adaptabilities that help them live even when things are not so good, like when it’s very hot, or there’s not a lot of water or good soil. Desirable plants, like flowers, are a bit more delicate. They need specific conditions to grow well, like the right amount of sunlight, water, and good soil. If any of these things are missing, the flowers may not be able to survive. So, when you try to eliminate weeds, they can be hard to kill because they are used to tough conditions and have developed special abilities to stay alive. But when you want to keep your pretty flowers healthy, you must take extra care to give them the conditions they need, or they might not survive.
A weed is just a plant you don’t want there, corn in a wheat field is a weed, so as long as your goal is to grow a specific plant you will have weeds that generally are more suited to that environment
by definition.
If it doesn’t require constant human intervention to be pretty & alive, it’s unwanted and thus categorised as weeds. It’s about humans making themselves feel needed to keep something the way it is. Plants that don’t need us annoy us.
Weeds are the plants in an ecosystem that specialize in quickly populating disturbed soil. By definition, your garden plot is disturbed soil.
If you want the realest answer, its because weeds are often the native flora and are thus ideally suited to the soil conditions, whereas your invasive grass and flowering plant species need constant care and attention to stay alive, let alone thrive, because they are alien to the area.
The definition of a weed is an unwanted plant. You don’t want them because there’s too many of them. There’s too many of them because they don’t die easily.
You basically just asked “why are plants that are hard to kill hard to kill”.
Seeds grow in very specific climates, pH and moisture levels.
Most of the time you are getting to plant something that requires a different pH, moisture level and light level.
Look up that weed and what it likes to grow in them find a plant that has those same requirements.
It isn’t like trying to grow a tropical plant in the Midwest. V unless it is something like Jerusalem artichokes that can basically grow anywhere, you need to match the needs of the plant
have you tried keeping weeds as desirable houseplants?
Because that’s the definition of a weed. A weed is not a botanical or taxonomic classification, it’s a word used to describe certain plants that are undesirable and hard to kill. So, if it weren’t hard to kill, it wouldn’t be a weed.
I’ll put in a plug for this phenomenal comment from /u/suuperdad
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