How it Works: Preen Garden Weed Preventers
Here's how our Garden Weed Preventers prevent weeds before they even sprout rather than killing them after they’ve already had the chance to grow.
A big reason that weeds are such effective invaders is that most of them are very prolific seeders. It’s not unusual for a single weed plant to throw off hundreds of viable seeds. If weeds are left to grow and produce new seeds, any that fall to the ground can live for years in the soil. Some can live for decades. That’s why the number one rule in winning the long-term battle against weeds is to stop them from growing at all.
If common spring-time sprouters like chickweed, purple deadnettle, dandelions, garlic mustard, and creeping speedwell have already flowered, a steady supply of summer weeds will be attempting to flower and set seed. Some of the worst summer seeding weeds include pigweed, purslane, thistle, lamb’s quarter, black medic, spurge, bindweed, Japanese knotweed, and assorted grassy weeds.
Pulling and/or digging is the most immediate, effective control. Just be sure to get roots and all or else many weeds will simply sprout new leaves from the roots left behind.
Be persistent, and you’ll eventually win – or at least gradually reduce the outbreaks by denying weeds from reproducing via seeds. Even if you can’t pull or kill all existing weeds, at least patrol enough to cut, hoe, or weed-whack any that are forming flowers or flower stalks.
Bare soil only invites weeds, so it is best to add plants to bare spaces and add a few inches of mulch to your landscape beds to fill the space, leaving no room left for weeds.
Granular weed preventers such as Preen can go on top of mulched, planted beds to further stop new weeds before they have a chance to sprout and grow. Two to three applications per year can give season-long protection, depending on your climate and which type of Preen you use.
Preen offers many different options for controlling weeds in your landscape.
Remember, every weed flower you prevent or eliminate now could translate into hundreds of fewer weeds you’ll have to deal with later.