The best time for removal of weeds is before they produce flowers and seeds.
(A) True
(B) False

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Hint: Weeds interact for water and nutrients from landscaping plants.
The weeds should be removed before they produce flowers and seeds are to prevent them from spreading.
The best time to remove weeds is when the soil is damp and moist. However, there are weed control chemicals that can be applied to prevent the germination of weed seeds, or that may be applied to kill weeds after they grow up.

Complete answer:
Weeds interact with landscape plants for water and nutrients. Before they establish a foothold in your farmland, the perfect time to manage weeds is to remove before they produce flowers and seeds.
To prevent its spreading, your best option is to cut down weeds. However, there are weed control chemicals which can be applied to avoid the germination of plant seeds, or which can be applied to destroy weeds as they grow up.

Fig. physical method of weed removal

While the wind, birds or other animals will bring a lot of weed seeds into your yard, make sure you don't seed your own crop. Before they bloom it is important to eliminate weeds in the landscape to avoid the development and reseeding of seeds.
Weeds can also germinate in contaminated soils. After the initial landscape design, the first couple of years will probably see weed problems After that, keep soil disturbance to a minimum, if possible.

So, the correct Option is True

Note: When weeds are already well developed in the field, pulling them using a weeding tool or by hand may be the best choice. Chemical therapy isn't as successful when they are past maturity. Wait until after irrigation or rain for faster removal and a greater chance to get the entire plant-roots and all-while removing existing weeds.