What Makes a Weed, A Weed?

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Weeds are everyplace – successful our lawns, our gardens, successful crevices successful our sidewalks, walkways and driveways. This tenacity for growth, particularly successful seemingly unhospitable conditions similar compacted soil, drought, and adjacent pavement – is 1 of the defining characteristics of weeds. But what really makes a weed a weed? The Merriam-Webster Dictionary defines a weed arsenic “a works that is not valued wherever it is increasing and is usually of vigorous growth.” If that sounds vague, it’s due to the fact that it tin beryllium hard to find erstwhile a works is considered a weed. A works tin beryllium considered a weed successful 1 situation and a nutrient oregon beneficial works successful another.


In our adjacent bid of blog posts, we’re taking a heavy dive into weeds – from their archetypal recognition to steps to instrumentality to forestall them, methods of removal and adjacent what weeds tin archer you astir your soil, based connected which types you find there.


Weed Characteristics


As noted earlier, weeds person a tremendous capableness to survive, adjacent thrive, successful conditions galore different plants could not. Here are immoderate different characteristics of weeds:


  • Weeds nutrient a ample fig of seeds.
  • Weed seeds person precise agelong viability.
  • Weeds dispersed successful a assortment of ways, successful some intersexual and vegetative means.
  • Weeds tin withstand mediocre biology conditions, including trampling.
  • Weeds are assertive spreaders.


Weeds tin beryllium dispersed successful a assortment of ways, specified arsenic wind, moving h2o (flooding), by attaching to humans oregon animals oregon by being ingested and passed by birds.


Dandelions - Farmside Landscape & Design

Image credit: Pexels from Pixabay

Types of Weeds

A weed tin beryllium a works that tin simply beryllium undesirable wherever it’s growing, oregon thing of greater concern, causing economical losses, ecological damage, oregon creating wellness problems for animals and humans. Weeds are classified by antithetic attributes specified arsenic seasonal emergence, carnal structure, and their larger interaction connected the environment, humans, and animals. Here are immoderate communal classifications of weeds:


Annual Weeds: Annual weeds are defined arsenic those that germinate from seeds and grow, flower, nutrient seeds and dice wrong 12 months oregon less. Annual weeds are further categorized by the play successful which they germinate and grow.  Winter annuals, specified arsenic chickweed, sprout successful the fall, thrive during the wintertime and dice successful precocious outpouring oregon aboriginal summer. Summer, oregon warm-season grasses specified arsenic crabgrass and goosegrass, sprout successful the outpouring and thrive successful summertime and aboriginal fall.


Perennial Weeds: Perennial weeds unrecorded much than 3 years. They reproduce from non-seed/ vegetative parts specified arsenic bulbs, rhizomes, tubers, oregon stolons, though immoderate besides nutrient seeds. Perennial weeds, specified arsenic Virginia Buttonwood and achromatic clover, are the astir hard to power due to the fact that of their large reproductive potential.


Biennial Weeds: There are besides biennial weeds, which implicit their maturation successful 2 years. The archetypal year, the works produces leaves and stores food. The 2nd year, it produces fruits and seeds. Biennial weeds are astir commonly recovered successful untilled fields, pastures, and untended fencerows.


Common Invasive Weeds: Include some autochthonal and non-native weeds. Non-native weeds deficiency earthy competitors oregon enemies to curtail their growth, which allows them to overrun autochthonal plants, displace species, and change ecosystems. Classic examples see Kudzu and English Ivy.


Noxious Weeds: Include works designated by federal, state, oregon section authorities officials arsenic injurious to nationalist health, agriculture, recreation, wildlife, oregon property. Field Bindweed and Purple Loosestrife are classical examples. See a database of noxious weeds by authorities here: http://wssa.net/links/noxious-weed-list/


Broadleaf Weeds: As their sanction indicates, broadleaf weeds are weeds with leaves, specified arsenic dandelions, broadleaf plantain, chickweed and clover. Broadleaf weeds tin dispersed not lone done seeds, but besides via rhizome oregon stolon. If you opt for chemic weed power methods, it’s important to cognize whether you person broadleaf oregon grassy weeds.


This is due to the fact that astir broadleaf weed killers are selective, allowing you to easy spot dainty weeds. Non-selective weed killers tin beryllium utilized for grassy weeds, but if not applied carefully, tin termination different plants they touch.


Grassy Weeds: Grassy weeds person their sanction due to the fact that they intimately lucifer desirable grasses. This often makes them much hard to place than broadleaf weeds. Grassy weed blades look arsenic a azygous leafage from a germinated writer seed. They turn to beryllium agelong with parallel veins and person round, hollow stems and hard, closed joints (nodes) with alternating leafage blades connected each side. Crabgrass, Bent Grass, Tilt Grass, and Rough Stalk Bluegrass are types of grassy weeds.

Main Image recognition S. Hermann & F. Richter from Pixabay

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