Why to Know About Weeds in Your Gardens?


Undesirable plants in a human-managed area such as home yard, garden, lawn, park, crop field, road, house wall, house roof, pond, or even grown on a tree are usually considered as weeds. Usually, weeds are considered harmful and sometimes some weeds become so invasive and hard to control. Beneficial plants can become invasive weeds in new habitats. So, knowing about those plants is very important.

Weeds are undesirable in our garden because they compete with desired plants for nutrition, space, water and sunlight. Weeds may contaminate the water of your pond garden. Some weeds destroy our garden paths. The aesthetic value of our garden, lawn, park or home yard may be spoiled due to uncontrolled weeds. Weeds may even destroy house walls or rooftops. So weed control measures are often very important for us. But our environment should not be polluted by using uncontrolled use of chemicals. Organic control measures should always get first and maximum priority.

Some weeds are almost everywhere, some are soil specific, some are region specific, some are garden specific, some are crop field specific, some are season specific. In a garden, they are usually stronger than the desired plants. They can grow naturally without any care. Some weeds act as an alternative host of pests and diseases. Some parasitic weeds uptake nutrients from the host plant and even kills the host sometimes. It is alarming that poisonous weeds may also exist in the garden that can be very dangerous for you especially for your children. That is why you need to know about those unknown or undesirable plants in your gardens.

Weeds are not always harmful. They are also important for our environment. They often bind the soil, enrich the soil, release oxygen to the environment and work as a carbon sink. They are also a very important part of ecosystems. Some weeds have good medicinal values. But when your fruit, vegetable, flower, or water gardens and your crop fields are attacked by off-type plants they are considered as enemy and you need to control those weeds there.

Photo of weeds in an area

There are lots of plants that are considered weeds but some of them are edible and may contain nutrients. But never try to eat these weeds. Because many look-alike weeds may contain deadly poisons. And, some weeds are not poisonous in one habitat but may become poisonous in another habitat. Environmental stress often causes edible weeds to become poisonous weeds. So, don’t try to eat weeds from your gardens or other places for their nutritional or medicinal value.

Some deep-rooted weeds accumulate nutrients from the deep horizon of soil. After death, these weeds may enrich the soil fertility of your gardens. Some weeds can grow in very extreme weather condition with low fertile soil. They enrich that barren soil.

Some weeds form nodules in their roots where nitrogen-fixing bacteria fix nitrogen. So, they enrich the soil with nitrogen.

Though some weeds attract harmful insects in your gardens and often becomes an alternate host of them when your garden’s desired plants are absent, there are some good weeds too. They attract beneficial insects. These insects are beneficial because either they kill harmful insects or they actively take part in the pollination of your desired plants in your garden.

Some weeds are a good source of nectar for honeybees.

Grasses and other weeds often play a good role in checking soil erosion. Barren land can be covered by some weeds. They can make the soil fertile and eventually barren land will become fertile for other plants. Deep-rooted weeds play a good role in checking soil erosion. So, we have to control them but in environment-friendly ways and we should never try to erase them from our planet. You will get all those important bits of knowledge of weeds in the Weeds in Gardens regularly.

A B M Zahidul Hoque

I'm the owner of weedsingardens.com. After completing my bachelor of science in agriculture, I have joined as a scientist at Bangladesh Jute Research Institute (BJRI) under the Ministry of Agriculture, Bangladesh. I started Weeds in Gardens to make you familiar with different weeds and their positive and negative aspects.

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