Weeds

• When can I seed after applying weed controls?

  You must wait at least 30 days to seed after applying weed controls. Seeding too soon after applying weed control can prevent your new seedlings from germinating. Below are the seeding wait times for each weed control: Weed & Feed: 30 days  Lawn Weed Control: 30 days  Corn Gluten Weed Preventer plus Lawn Food: 60...

• How do I seed and prevent crabgrass?

  In order to prevent crabgrass, you should first know how its life cycle works. The life cycle of the crabgrass plant begins when the soil temperature reaches 55°F for four or five consecutive days and the seeds start to germinate. Crabgrass seeds often germinate from early spring to late summer. They grow all the way...

• Crabgrass

  This is a grassy weed that is controlled well with a spring application of Green-Up Lawn Food with Crabgrass Preventer. If you have had crabgrass trouble in the past, add an application of Crabgrass and Weed Preventer in early June. Crabgrass will turn somewhat purple, then brown and die after the first frost. It is an...

• When can I apply broadleaf weed controls to newly seeded grass?

  Before applying broadleaf weed control to newly seeded grass, you must wait until the newly sprouted grass has been mowed three times or wait at least 30 days, whichever time frame is longer.   If applied too soon after grass germination, broadleaf weed control will kill or weaken young seedlings.  Remember, the three-mow rule is for...

• How do I get rid of poa annua?

  Poa annua, or annual bluegrass, is a winter annual weed that can be found in both lawns and gardens. This grassy weed is most identifiable by its light green color, short seed head, and can commonly be mistaken for Kentucky bluegrass. Poa annua has a shallow root system and tends to thrive in shady and...

• Wild violet

  Wild violet thrives in acidic soil or calcium deficient soil. We recommend testing your soil pH and applying Mag-I-Cal for Acidic Soil. Green–Up Weed and Feed will control some of this infestation. Wild violet is very prolific and will require repeated treatments with a selective spray due to its tough, waxy leaves. 

• Wild onion

  Wild onion have thin, waxy spear-like leaves and usually grow in clumps. It is often confused with its close cousin, wild garlic. Wild onions have flat leaves while wild garlic has round leaves. To remove wild onion from your lawn cut the tops off to leave an open wound. Apply a selective spray to the...

• Wild garlic

  Wild garlic has round hollow leaves with bulbs and is often confused with wild onion.  To remove wild garlic from your lawn cut the tops off to leave an open wound. Apply a selective spray to the opening made by cutting the top off.  Plants will need to be sprayed more than once and for...

• Wild carrot

  Wild carrot, also known as Queen Anne’s Lace, is a wildflower herb that has a hairy thin stem and a cluster of flattened white flowers at the top.  Green-Up Weed and Feed will control wild carrot. Subsequent spot treatments may be necessary with a selective spray. Lawns that are healthy and thick and watered properly...

• Thistle

  Thistle is the common name for the group of flowering plants with sharp prickles on their stems or leaves. It is a tough weed to kill, especially if it goes to flower and produces seeds. Most forms of thistle can be treated with Green-Up Weed and Feed or Lawn Weed Control.

• Spurge

    Spotted spurge is a warm season weed that can be identified by its red stems and spotted oval leaves. It grows in a mat like fashion low and flat to the ground. This plant’s flowers are small and pink.    Spurge often appears in poor compacted soil or in weak areas of the lawn...

• Purslane

  Purslane is a weedy summer annual. It can be controlled with a pre-emergent application of Season Long Weed Preventer. For post emergence, purslane is best dealt with while the plant is still young. Treat with Lawn Weed Control as long as the temperatures are not above 85° and the humidity isn’t high. If allowed to grow to...

• Poa Annua (annual bluegrass)

  Also known as Annual Bluegrass, this grassy weed can be brought into your lawn by wind, birds, commercial lawn mowers, foot traffic and impure seed. The seeds can lay dormant for several years before sprouting. It is identifiable by seed heads at a very low level. It is very aggressive and will turn brown in...

• Nutsedge

  Nutsedge is one of the most prolific grassy weeds that we usually see in the summer. It grows from a nut in the ground which grows an upright plant but sends out numerous nuts which produce numerous plants. It grows in colonies that will continuously spread unless treated with a post emergent specifically for nutsedge...

• K-31 Tall Fescue

  K-31 This is an older variety of fescue. It is rough to touch and has multiple veins per large blade. It is still in use as an industrial plant and does very well in sandy soils. It will survive where other varieties won’t.  Because it is a grass plant, to kill it you will have...

• Japanese Stiltgrass

  Japanese Stiltgrass Growing and maintaining a healthy, dense lawn is the best preventative method to discourage the introduction of and growth of Japanese stiltgrass. Hand pulling can be effective for control of small infestations of Japanese stilt grass. It is important to remove it before seed is dropped. Consult your local cooperative extension for suggested...

• Henbit

  Henbit Green-Up Weed and Feed or Lawn Weed Control will control Henbit. Follow up selective spray applications may be necessary for complete kill.   

• How do I control Ground ivy (Creeping Charlie) in my lawn?

  Ground ivy, otherwise known as “Creeping Charlie” is a persistent, common perennial weed with scalloped leaves and purple flowers at the stem that bloom in spring. Ground ivy is spread by its seeds and creeping stems and typically thrives in shady lawns with poor soil drainage.      If you have a small ground ivy...

• Foxtail

  Foxtail A healthy, thick lawn is the first weapon against this weed. Thick, lush grass leaves no room for the plant seeds to grow. Proper mowing and fertilizing produces a healthy lawn that is less likely to get invasive weed species. Green-Up with Crabgrass Preventer or Crabgrass and Weed Preventer will control this weed as a pre-emergent. A...

• Dallisgrass

  Dallisgrass Dallisgrass is a very aggressive perennial grassy weed often mistaken as crabgrass.  Dallisgrass has seed heads that grow quickly and have three to seven unpaired heads on the stem. Crabgrass has hairy blades while dallisgrass blades are coarse. Treat with a non-selective spray to control it. It generally requires two applications, 21 days apart...

• Bittercress

  Bittercress prefers cool, moist soil and is most prolific after early spring rains. Mowing will achieve control over time. Do it frequently enough that you remove the flower heads before they become seed pods. As temperatures warm, the plant will die naturally without having reproduced. That means fewer weeds the following season. This weed usually appears...

• Bentgrass

  Native Bentgrass Native bentgrass seeds can lay dormant in the soil. They can germinate when soil is disturbed, such as when you prepare the ground for seed. They thrive in moist soil and wetter areas of the lawn. It can be killed with glycophosphate (Round Up) and reseeded. It can be inhibited by the following:...

• What is the earliest time that you can apply weed controls?

  Our lawn weed control products work best when applied to actively grow broadleaf weeds. In most years this occurs early in May. The more leaf surface that the weed control contacts, the better the control. However, if you wish to control broadleaf weeds in your lawn but do not want to fertilize at this time,...

• I just applied crabgrass control and one week later dandelions appear. What should I do?

  Frequently in the late spring, dandelions appear quickly once the temperature rises. Many times this happens one to two weeks after your first application of Green-Up plus Crabgrass Preventer has occurred. It would be too early to fertilize with a weed and feed product so use my Lawn Weed Control granules. This product controls dandelions and over...

• Crabgrass Control Failure

  There are 3 reasons why crabgrass control runs out before crabgrass is done germinating. 1 – Applying too early or at too light a rate. 2 – Excessive spring rains that dilute the active ingredient and weaken the physical barrier created by the crabgrass preventer. 3 – Intense heat causes the ground to dry out...

• It’s warming up. When should I apply crabgrass control?

  Crabgrass germinates each spring in sunny areas of your lawn, when the soil temperature reaches 50-55 degrees Fahrenheit. Note: Crabgrass will not grow in shaded areas of the lawn!  Green Up with Crabgrass Preventer controls crabgrass both before and after it germinates, creating a barrier to fight off crabgrass for up to 16 weeks. The product’s active ingredient, Dimension®, allows for crabgrass control up...

• Crabgrass in the Fall

  This time of year, we recommend just leaving it be. It is an annual and will die off with the first frost. Overseed in mid-September to thicken the lawn and help choke out the crabgrass. Do not worry if it is present when you seed, it will be gone soon enough. Next year, apply Green-Up with...

• Can I use Green-Up with Crabgrass Preventer and Lawn Weed Control at the same time?

  Yes, if you apply the Green-Up with Crabgrass Preventer first, water it in and then apply the Lawn Weed Control while the lawn is still wet. Aim for a day where no rain is forecast for 48 hours and temperatures are under 85° and not humid for 48 hours after the herbicide application.

• What is the difference between Green-Up with Crabgrass Preventer and Crabgrass and Weed Preventer products? Also, the Crabgrass Preventer and New Seeding Lawn Fertilizer?

  Green-Up with Crabgrass Preventer is a fertilizer plus a pre-emergent for weeds and a pre-and post-emergent for crabgrass up to the 3 leaf stage. DO NOT SEED WITH THIS PRODUCT Crabgrass Preventer with New Seeding Fertilizer is a fertilizer with pre-emergent only for crabgrass that allows the new seedlings to germinate. (Used for spring seeding). ...

• How do I remove clover?

  Clover is a low-growing perennial weed that tends to thrive in nitrogen-deficient soil. It is also considered a legume and has the ability to convert nitrogen into the air and release it into the soil. Clover is classified as a broadleaf plant, which is usually distinguished by its deep taproots and flowers.      Here...

• Chickweed

  Chickweed is a winter annual that germinates in the fall and winter and actively grows in the spring. This weed can be controlled with an application of Lawn Weed Control. Chickweed should be controlled before it flowers. Regular monitoring and removal of plants from the site will prevent seeds from developing. In lawns, the best...

• Dandelion

    Dandelion Dandelions are the easiest weed to control but also the most prolific. The seeds are spread by wind, birds, foot traffic and lawnmowers. Green-Up Weed and Feed or Lawn Weed Control will kill them post emergently. Organic Weed Preventer will control dandelions with a pre-emergent application in the spring.   

• How can I identify lawn weeds?

  To help identify weeds in your lawn, use our Lawn Problem Identification Chart to determine what type of weed you have and which weed control is best to control it.  For more resources on weed control and prevention, visit our Weed Control page!