Landscape Zone 4

2026-11-03

Lawn Care 2 . 1 . 1 . Turf shall be cut at an average height of 3 ” as conditions dictate . Mowing shall be done frequently enough so that no more than 1 / 3 of the grass blade is removed per cutting . Mowing equipment and patterns shall be employed to permit recycling of clippings where possible , and to present a neat appearance . Excess clippings shall be removed from major entryway sidewalks within one hour and secondary surfaces before crews leave the site . Blades on all equipment shall be sharp to prevent the tearing of grass blades . All non - turn areas shall be power blown clean of grass clippings after each mowing 2 . 1 . 2 . A pre - emergent crabgrass control shall be applied to all turn in the spring to prevent crabgrass seeds from sprouting 2 . 1 . 3 . A pre - emergent crabgrass control shall be applied to all turn in the spring to prevent crabgrass seeds from sprouting 2 . 1 . 4 . A quality turf fertilizer shall be applied four ( 4 ) times providing a total of three ( 3 ) pounds of actual nitrogen per 1000 square feet . Timing , frequency and rate of application shall be adjusted to meet horticultural conditions . 2 . 1 . 5 . All turn should be sprayed to control broadleaf weeds in the spring . 2 . 1 . 6 . Another two ( 2 ) applications of a broadleaf weed control shall be made no later than September . 2 . 1 . 7 . Leaves shall be removed from all turn in autumn . In instances where trees do not drop their leaves until winter , leaves shall be removed as soon as possible in the spring . Care should be taken in the spring not to damage turf due to wet conditions 2 . 1 . 8 . Turf adjacent to curbs and walkways shall be mechanically edged two ( 2 ) times to present a neat , clean appearance . All debris shall be power blown or swept away . 2 . 1 . 9 . Building Services staff should be notified at least 2 business days prior to any application of weed control or fertilizer so staff and guests can be informed to stay off the grass . Shrub , Evergreen , Groundcover , and Perennial Beds 2 . 1 . 10 . All beds shall be cultivated and / or weeded weekly to present a neat and weed free appearance . 2 . 1 . 11 . All shrub and evergreen beds shall be pruned two ( 2 ) times to remove seasonal growth and broken or damaged branches . Timing of pruning shall be at the horticulturally appropriate time , typically after the shrub has flowered . 2 . 1 . 12 . A pre - emergence weed control shall be applied to all beds . 2 . 1 . 13 . A post - emergent herbicide shall be applied to all beds as necessary . 2 . 1 . 14 . Fertilizer shall be applied to all beds two ( 2 ) times per season 2 . 1 . 15 . Turf adjacent to beds shall be edged where appropriate two ( 2 ) times to prevent encroachment of turn and present a neat appearance . 2 . 1 . 16 . Leaves shall be removed from all beds in the autumn . In instances where trees do not drop their leaves until winter , leaves shall be removed as soon as possible in the spring . Care shall be taken in the spring not to damage beds due to wet conditions 2 . 1 . 17 . Perennial beds will be maintained as necessary and dead foliage and flowers cut back in the autumn . Rain Gardens 2 . 1 . 18 . All rain gardens shall be maintained in a timely manner utilizing industry standard best management practices . The Contractor shall be responsible for understanding the type of environment and the nature of the plants in the rain garden and employing their industry knowledge on proper maintenance schedules . 2 . 1 . 19 . Remove all debris , leaves and sediment as needed to promote healthy plants and a neat appearance .

Minnesota

2026-05-02