Agronomist - WeedBom - Page 60 of 68

Weeds growing around trees compete with them for vital resources like water, nutrients, and sunlight. The best weed killer for around trees eliminates invasive plants without harming your valuable trees. With the right product and proper application techniques, you can maintain a clean and healthy landscape throughout the seasons. Many herbicides are designed to target specific weed types and offer tree-safe formulations. Whether dealing with grassy invaders or stubborn broadleaf weeds, careful selection ensures your trees remain unaffected. This article will guide you through top-rated products, usage tips, and how to achieve long-term weed control without endangering tree health. Read on to discover the 10 best weed killers for around trees, their features, application methods, and safety precautions. From pre-emergent solutions to spot treatments, you’ll find the perfect match for your landscape management needs. Top 10 Best Weed Killers For Around Trees 1. Roundup Precision Gel Weed & Grass Killer Roundup Precision Gel offers targeted control using a no-drip gel formula. It contains glyphosate, which effectively kills broadleaf weeds and grasses by moving through the plant to the roots. This makes it ideal for use around tree trunks and root zones where spray drift is a concern. The gel ensures precise application and reduces the risk of harming nearby desirable plants. This product is perfect for small-scale treatments in tight or sensitive areas. Best applied during active growth periods for effective results. Always wear gloves and avoid contact with bark. It’s safe when used correctly and delivers visible results within days. Reapplication may be needed for tough or mature weeds. 2. Ortho GroundClear Weed & Grass Killer Super Concentrate Ortho GroundClear provides fast results with a powerful glyphosate-based formula. It works on contact and shows visible effects within 15 minutes. Ideal for pathways, tree rings, and other non-lawn areas where quick cleanup is needed. Use with a shielded sprayer to prevent herbicide drift onto tree bark or roots. It’s non-selective and will harm any plant it touches, so use cautiously. Suitable for pre-planting site preparation or bare soil treatment. This product remains rainproof for hours after application. Proper PPE and application timing ensure optimal safety. Always follow label directions. 3. BioAdvanced All-In-One Lawn Weed & Crabgrass Killer This selective herbicide targets broadleaf weeds and crabgrass while sparing your trees and turfgrass. It contains quinclorac, dicamba, and 2,4-D for a wide weed spectrum. Effective against dandelions, clover, and oxalis. Apply in calm weather to avoid overspray. Use a pump sprayer or hose-end sprayer for accuracy. Keep a safe buffer from tree trunks and exposed roots. Safe for most lawns and established trees. Avoid application during high temperatures. Results appear in 3 to 7 days. 4. Spectracide Weed & Grass Killer Concentrate Spectracide provides quick burndown with diquat-based chemistry. It works fast—visible results in under 3 hours. It’s ideal for spot treating weeds around trees in mulch or gravel areas. Non-selective and non-residual, it won’t prevent future weed emergence. Use a directed spray to avoid harming roots. Best for use in dormant seasons or away from root flares. Apply early in the day for best efficacy. Reapplication may be necessary. Use with protective gear and avoid contact with desirable foliage. 5. Southern Ag Crossbow Specialty Herbicide Crossbow combines triclopyr and 2,4-D for post-emergent control of woody and broadleaf plants. It’s safe around trees when applied with care. Best for pastures, fencerows, and wooded areas. Targets poison ivy, brambles, and tough brush species. Does not harm grasses, making it ideal for mixed settings. Use a backpack sprayer for large applications. Do not apply to freshly cut stumps unless instructed. Results appear in a week or more. Avoid drift and apply in mild conditions. 6. Bonide Weed Beater Ultra Concentrate Bonide’s formula works well even in cooler climates. It’s a selective post-emergent herbicide targeting over 200 broadleaf species. Useful for spring or fall applications near trees. Contains MCPA, triclopyr, and dicamba. Safe for lawns and tree-lined properties. Rainfast within hours and highly effective on young weeds. Wear gloves and avoid high-wind applications. Best used with a surfactant. Results appear in 7–10 days. 7. Green Gobbler 20% Vinegar Weed & Grass Killer This organic, non-toxic solution uses vinegar as the active ingredient. It’s OMRI-listed for organic use and delivers fast results. Great for eco-friendly weed control around trees and gardens. Ideal for small or emerging weeds. It doesn’t kill roots, so repeated application may be needed. Apply during full sun for best results. No synthetic chemicals or residual toxicity. Safe around kids and pets when dry. Avoid use on windy days. 8. Hi-Yield 2,4-D Selective Weed Killer This 2,4-D based product controls common broadleaf weeds. It spares grasses and trees if used properly. Apply in early stages of weed growth. Use a sprayer and avoid drift. Follow dilution instructions for safety. Ideal for residential and commercial landscapes. Wear gloves and long sleeves. Effective when paired with mowing or trimming. Do not use on windy days. 9. Preen Garden Weed Preventer Preen is a pre-emergent solution that prevents weed seed germination. It’s safe around over 200 plants including trees and shrubs. Apply on weed-free soil and activate with water. Use in mulched beds or tree rings. Lasts up to 12 weeks. Doesn’t kill existing weeds, so weed first before application. Reapply seasonally for best coverage. Safe for use around edible plants. Keeps your tree zones weed-free year-round. 10. Doctor Kirchner Natural Weed Killer This biodegradable blend includes ocean salt water, vinegar, and soap. Safe for use around trees and pets. Best for spot treating young weeds on non-grass surfaces. Results appear within 24 hours. Repeat as needed for larger weeds. Use on sunny, dry days. Environmentally friendly and easy to apply. Ideal for urban landscapes and walkways. Avoid use in lawns or grassy areas. Tips for Choosing the Best Weed Killer For Around Trees Select tree-safe, non-residual herbicides. Use spot-treatment to reduce exposure. Choose selective products for broadleaf or grass control. Apply during calm weather to prevent drift. Use gel or foam applicators near trunks. Check compatibility with your tree species. Wear protective gear and follow label instructions. 7 Frequently Asked Questions (FAQs) Can I use weed killer directly around tree roots? No, avoid direct contact with tree roots to prevent damage. Are vinegar-based herbicides safe around trees? Yes, when used carefully and only on unwanted vegetation. Is glyphosate safe near trees? Only when applied carefully to avoid contact with tree bark or roots. How can I prevent weed regrowth? Use pre-emergents and mulch to block new weeds. What’s the safest method to apply weed killer near trees? Use spot or gel applicators for targeted treatments. How often should I apply weed killers? Every 3–8 weeks depending on weed type and product label. Will these products harm grass? Some are selective and safe for grass, others are non-selective—check label carefully. Conclusion Using the right weed killer around trees ensures healthy growth without risking tree damage. Products like Roundup Gel, Bonide Weed Beater, and Doctor Kirchner offer targeted, safe solutions. Always read the label and follow safety guidelines. Combine herbicide use with mulching and manual weeding for best results. A careful, informed approach leads to a beautiful, weed-free tree landscape.