How Long After Spraying the Weed Killer, We Can Plant the Grass Seed?

How Long After Spraying the Weed Killer, We Can Plant the Grass Seed?

Things are to be looked upon diligently when it comes to sowing seed after the application of a weedicide. Herbicides can sometimes harm the growth of seeds. Although there are herbicides that allow only sowing after a couple of months, some variety of herbicides recommends sowing after a couple of hours. The difference pertained can be accounted for the effect of the active chemicals in the weedicide.

A weed-free lawn is, of course, a necessity if you want to maintain the aesthetic of your front yard. There are many conventional methods by which you may get rid of weeds, such as choking the weeds by deep watering. However, such methods do not offer a higher efficiency to eradicate further weed growth. Chemical methods are prevalent when it comes to removing the weed. There are active chemical agents such as Weed B Gon that eradicate the weed even before they sprout. The chemicals can even prevent the grass seeds from germination in most of the well-known cases. Let us have a deep insight about tee time that you must offer after the herbicide application to sow seed.

Scotts Weed B gon Product; The Time Required

The time you need to wait for sowing the grass seed after the usage of herbicide is all dependent upon the type of herbicide you prefer for your garden. Scoots weed B gon is one such weedicide that is popular in the regime of weed killing. If you are planning to fight against the high category weeds such as dandelions, of course, it is required to wait for at the least three weeks of sowing the seeds in your lawn. This kind of herbicide is used for broadleaf kind of weeds. However, they can prevent the germination of your grass seeds.

Glyphosate and Sowing Seed

Glyphosate is friendly in terms of weed killing. You may wait for a couple of weeks or can wait for a day to sow the seed, which is even less when compared to the conventional weedicides. Glyphosate, when applied on the weed, descends on the stem till the root and kills the whole plant. The chemical does not remain in the soil for a long time to prevent the grass seeds from growing. Although the chemical is harmful to many varieties of plants such as ornamental plants, herbs, weeds, grass, etc. Once the chemical is absorbed on the plant, it doesn’t pose any threat. You may wait for one day for sure and go for planting your favourite plant or grass seed on the ground. The average time for the herbicide to remove the weeds ranges from 5 to 7 days minimum. The best option is to wait at least three days to sow the seed on the ground. In some cases, though the stems are destroyed, there are chances for the weed roots to remain under the ground and grow further. Pelargonic acid is also another best weed killer that is often recommended by gardeners.

Crabgrass Controller

If you are planning to kill the grass type of weeds with Weed B gon, you may at least wait for three weeks to get rid of the entire patch of the weeds from and under the grounds once the weed removal is done. You can go for extensive gardening or smaller area gardening. The grassy weeds not appropriately controlled could make the view of your lawn ugly and unattractive the little weed sprouts peeping among the beautiful grass.

Pre-emergence Weed Killer

This category of weed killers prevents any seeds from growing by creating a barrier on the top of the soil. Even though they are targeted to prevent the weeds, Immediate sowing after the application of such weed killers can potentially prevent the grass seeds from sprouting. If you prefer the application of any pre-emergence weed killer, it is always preferred to wait for at least four months to sow seeds. However, you may plant vegetable seeds, ornamental seeds, etc. for which they can even withstand the barrier created by the pre-emergence weed killer.

Selective Weed Killers

Selective weed killers from the name itself represent the very purpose of its existence. They don’t leave many traces in soil and target only a particular kind of weed. They help in destroying broadleaf and grassy weeds. If you prefer using selective weed killers, you may sow the seeds leaving a gap of one day or less. The predominant selective weed killers known are clethodim and bentazon.

Weed Killing and Seeding

The majority of the well-known weedicide prefer not sowing seeds immediately after its application. Another type is weed and seed, which has a fertilizer component in it. They, along with weed-killing, fertilize the ground. Such types often come with labelling. Prefer the weed and feed herbicides that are apt for grass seeds. You can wait for a day to sow the seeds.

Post Plantation of Grass

Once you have sowed the seeds and you prefer competitive destruction of the weeds in your lawn. It is better to have some patience. Immediate application of any herbicide can potentially kill the grass and harm the healthy growth of it. Once you observe sprouting of weeds in between the grass ruining its wholesomeness, you may use any herbicide to prevent it from growing further.


Although there are a lot many varieties of weed killers available, every type has its own identity and application preferences. The majority of weed killers comes with a lesser residual life and doesn’t pose any long-term threat for the germination of grass seeds. However, a cautious choice of the weedicide can help the growth of weed and make the lawn a way better. Identify and read the essential points that are represented in the label, and step by step application will make the growth of the seed and weed killing convenient.…