Preen: A Powerful Weapon in the War Against WeedsPreen Weed Preventer is a granular garden product formulated to be shaken or broadcast across the soil surface to reduce weed problems. Once activated, it stops weeds from germinating in your flowerbeds, gardens, and around trees and shrubs. Read Story →Latest Stories Maintenance | March 13, 2023 | By La Rosa Landscape Company Preen: A Powerful Weapon in the War Against Weeds Design, Installation | March 6, 2023 | By La Rosa Landscape Company The Benefits of Landscape Planning News | February 27, 2023 | By La Rosa Landscape Company Beware the Effects of Winter Drought Maintenance | February 27, 2023 | By La Rosa Landscape Company Prevent Animal Damage During Winter MonthsSubscribe to Our BlogGet landscaping tips delivered right to your inbox."*" indicates required fieldsEmail* CommentsThis field is for validation purposes and should be left unchanged.