Weed Control in Virginia

Virginia's humid summers, clay soil, and mix of warm- and cool-season grasses give weeds plenty of room to move in. Knowing what you are dealing with is the first step to controlling it. These are the weeds we treat most often across Hampton Roads.

• Crabgrass: A summer annual that sprouts once soil temperatures reach the mid-50s in spring. It grows in low, spreading clumps in thin or bare spots and produces tens of thousands of seeds per plant. Pre-emergent timing is everything with crabgrass.
• White Clover: A low broadleaf weed with small white flowers that spreads fast in thin, sunny turf and lawns with low soil pH. It is most visible in late spring and early summer.
• Nutsedge: A grass-like weed with a stiff, triangular stem that grows faster than your lawn and stands taller within days of mowing. It thrives in wet, poorly drained areas and resists many common treatments, so correct identification matters.
• Chickweed: A cool-season annual that forms dense, low mats in moist, shaded spots. It shows up in late winter and early spring and spreads quickly through thin turf.
• Dandelion: A hardy perennial with a deep taproot and bright yellow flowers. Because the root runs deep, pulling the top rarely kills it. It is most common in spring but can persist much of the year.
• Henbit: A winter annual in the mint family with square stems and small purple flowers. It appears in late winter through early spring and takes over thin or bare patches early in the season.

Not sure what is growing in your yard? Our technicians identify it on-site and match the treatment to the weed, the grass type, and the season.

Effective weed control is not one spray. It is a sequence timed to how weeds grow through the Virginia season. Here is how we approach it:

1. Soil test first. We test your soil's pH before service begins. The ideal range for healthy turf is 6.2 to 6.5. When soil drifts too far out of balance, grass weakens, and weeds move in, so we correct the foundation before anything else.
2. Pre-emergent applications. Timed to soil temperature in early spring, these treatments prevent crabgrass and other annual weeds from germinating.
3. Post-emergent applications. For established weeds, we apply targeted treatments tailored to whether the weed is grassy or broadleaf, since the two require different products.
4. Seasonal monitoring. Weeds shift with the seasons. Our recurring visits let us catch new growth early and adjust treatment throughout the year rather than reacting after an infestation spreads.

Pre-Emergent vs. Post-Emergent: What's the Difference?

Homeowners often ask why we treat a lawn that looks weed-free. The answer is timing.

Pre-emergent weed control works before you see a problem. It creates a barrier in the soil that stops weed seeds from germinating, which is the only reliable way to control weeds like crabgrass that are nearly impossible to remove once established. Timing is tied to soil temperature, not the calendar, which is why professional application matters.

Post-emergent weed control handles weeds that are already growing. These treatments are matched to the specific weed, since broadleaf weeds like clover and grassy weeds like crabgrass respond to different products.

Used together across the season, they keep weeds from gaining a foothold and clear out the ones that slip through.

Seasonal conditions in Hampton Roads call for experience, not guesswork. In a transition zone with both warm- and cool-season grasses, timing every treatment correctly is what separates a clean lawn from a losing battle. Our locally trained technicians know how Virginia's weather and weed pressure change through the year, and they adjust accordingly.

As voluntary participants in the Virginia Department of Conservation and Recreation's Green and Clean Initiative, we follow practices that protect local waterways and meet state water quality standards.

Why homeowners choose ALM: