Bermuda grass can invade flower beds, competing with ornamental plants for nutrients and moisture. The following products are selected for their ability to target grassy weeds while protecting ornamentals in beds, borders, and landscaped areas. This guide covers options with fast results, rainfast formulas, and formulations suitable around non-lawn areas. Each product is evaluated for effectiveness on bermudagrass, safety around flowers, and ease of use.
| Product | Brand | Formulation | Key Benefit |
|---|---|---|---|
| Ortho 0438580 Grass B Gon Garden Grass Killer Ready-to-Use | Ortho | Ready-to-Use Spray | Controls bermuda and other grasses without harming landscape plants |
| Roundup Weed and Grass Killer₄ with Pump ‘N Go | Roundup | Concentrated/Ready-to-Use with Sprayer | Broad-spectrum weed control, rainfast quickly |
| Ortho GroundClear Weed and Grass Killer | Ortho | Ready-to-Use | Fast-acting, suitable around walkways and beds |
| Ortho Lands B-Gon Grass Killer for Landscapes | Ortho | Concentrate/Ready-to-Use mix | Kills grassy weeds around ornamentals without harming them |
| Fertilome Over The Top Grass Killer | ferti-lome | Liquid Grass Killer | Selective for grasses around vegetables, trees, and ornamentals |
Notes: Always follow label directions for timing, application, and safety. Some products are not designed for use on established lawns; apply only to beds, borders, ground covers, and ornamentals as indicated. Consider rain forecasts and re-entry intervals when planning applications.
Ortho Grass B Gon Garden Grass Killer
Ortho 0438580 Grass B Gon Garden Grass Killer Ready-to-Use is formulated to control crabgrass, tall fescue, bermuda, and other grassy weeds. It’s designed for use in and around ground covers, plant beds, landscapes, shrubs, and trees. The label notes that it won’t harm landscape plants and becomes rainfast one hour after application, making it suitable for beds where weather can change quickly. This ready-to-use spray is convenient for spot treatments in flower beds and perennial borders.
Roundup Weed and Grass Killer₄ With Pump ‘N Go
Roundup Weed & Grass Killer₄ provides broad-spectrum weed control, including bermudagrass, dandelion, and clover. The Pump ‘N Go sprayer enables easy application in flower beds, around trees, and in landscape borders. It offers rainfast results in about 30 minutes and visible effects within hours. The product’s versatility makes it suitable for treating bermuda grass encroachment in beds, while allowing for subsequent planting within a short window as guided by the label.
Ortho GroundClear Weed and Grass Killer
Ortho GroundClear Weed and Grass Killer focuses on rapid weed control around walkways, driveways, and landscape beds. It is fast-acting—absorbing on contact with results often seen in 15 minutes—and rainproof within two hours after drying. This product is not intended for use on lawns or grasses you wish to keep; it is well-suited for bermuda grass patches intruding into flower beds and other non-lawn areas, helping protect ornamental plantings.
Ortho Lands B-Gon Grass Killer for Landscapes
Ortho Lands B-Gon Grass Killer for Landscapes is designed to kill weedy grasses around ornamentals, ground covers, evergreen shrubs, and shade trees without harming desirable plants. It targets annual and perennial grassy weeds and is formulated to protect landscaped areas while eliminating bermuda or other unwanted grasses within beds and borders. This product is particularly useful in mixed plantings where care is needed to avoid damage to ornamentals.
Fertilome Over The Top Grass Killer
Fertilome Over The Top Grass Killer is a selective grass killer designed to target annual and perennial grass weeds around vegetables, gardens, trees, shrubs, and ornamentals. It helps stop the growth of weed grasses a couple of days after application, making it a practical option for beds where bermudagrass intrusion threatens flowers and perennials without wide-ranging impact on non-grassy ornamentals.
Buying Guide: Key Purchase Considerations
- Target weeds: Check whether the product targets bermuda grass specifically or broadgrass and crabgrass. For bermuda control in beds, products labeled for grassy weeds around ornamentals are most effective.
- Safety around ornamentals: Look for formulas that claim compatibility with landscape plants, ground covers, shrubs, and trees. Avoid products labeled for general lawn use if you want to protect bed plantings.
- Application method: Consider ready-to-use sprays for spot treatments versus concentrates requiring mixing. In beds with dense planting, a targeted applicator wand or pump sprayer can minimize drift onto desired plants.
- Speed and re-entry: If you need quick weed suppression, prefer products with fast action and reasonable re-entry intervals. Rainfast times indicate when the treated area can be re-entered or watered after application.
- Formation and storage: Decide between liquid concentrates and ready-to-use formulations. Store according to label directions to maintain efficacy and safety for future use in flower beds.
- Safety and environmental impact: Verify OMRI listings where applicable and ensure the product is suitable for use in residential landscapes with kids and pets. Follow all label safety precautions.
- Follow-up management: Some products kill existing weeds but do not prevent re-growth. Plan to monitor beds and reapply as necessary, considering seasons and weed pressure.
When choosing a bermuda grass killer for flower beds, assess your beds’ plantings, irrigation practices, and tolerance for drift. Using a product labeled specifically for use around ornamentals and beds reduces the risk of harming desired plants while removing invasive grasses.