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Sealing pavers helps cut down on weed growth, but it won’t wipe it out entirely. What it does really well is harden the joint sand—especially if you’re using a sealant with polymer additives—so weeds have a much harder time breaking through. It also blocks airborne seeds from settling in the cracks and keeps debris from building up. This results in fewer weeds, easier maintenance, and a cleaner-looking surface. Just remember, sealing is a strong defense—not a one-and-done solution. Stay on top of sweeping, spot-treating, and resealing every few years to keep your weeds in check.

Due to its slow growth, Bahia grass does not generally take over weeds. In fact, the opposite can be true. Young Bahia grass is susceptible to being taken over by weeds. 

Likewise, in the cool season, Bahia grass goes into a dormant state that can allow weeds that thrive in early spring to get the upper hand. If you want to prevent weeds from taking over your yard, remove them by hand or apply a Bahia grass-friendly pre-emergent herbicide to your lawn before weeds have a chance to appear.

It usually takes between two weeks and a month for weeds to fully die off after you spray them with herbicide, but they will start to wilt within the first week. Different weed sprays produce different results, with some working more quickly and effectively than others. Similarly, some weeds are killed more easily than others. Consult your weed removal pro for an exact timeline based on their weed removal method.

The best time to fight crabgrass with pre-emergent herbicide is when forsythias tend to bloom. In the mid-Atlantic region, this is usually between April and May. Even if you're late to apply the herbicide, it’s effective as long as the crabgrass plant has fewer than five leaves.