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Weed Control in Outdoor Bog Gardens: No Safe Herbicides, Manual and Cultural Methods

A grower rebuilding a large bog garden asks for herbicide safe for CPs. Expert: none exist – CPs extremely sensitive. Weed pulling is mandatory. Cultural helps: top dressing (coconut chips, pea gravel) slows weeds; control weeds around bog perimeter to reduce seed rain. Grasses and Oxalis are main pests. No magic bullet – vigilance during growing season.

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