6404 LARIMER RD 2017-01-19 - Laserfiche WebLink

• ' . . EXHIBIT B . VERETT RAIN GARDEN MAINTENANCE PLAN Ongoing maintenanceofthe rain garden ensures that it functions properly and becomes a positive example for future rain garden projects. The Rain Garden Handbookfor Western WaFkiligtofri Homeowners by Washington State University Extension provides further maintenance details.., • .• • Debris removal: -cheokthitile't,in'tle rain garden for garbage and debris throughout the year. Before the-tairiy-Sea.soli.b.egins in September, check for debris to ensure that storm water drains freely_intO.th&-raingarden. ,• • • . Mulching: A 3"layer of inediurn bark.miiich-or arborist wood chips will help block weeds from sprouting on the•Soil•stirfaCe„will help keep the soil moist, and will help prevent soil compaction from fight foot'traffic. ••- •. Watering: In order to ensure that plants get*Wellewbitshed, plants will need deep watering during the drier months for the-first•-tWo cd three years. Remember to water after a dry period even when the planting beds-a:re established. -•. ••.. Weeding: Weed the planting beds 3 - 5 times a.fear.to-keep invasive plants and weeds under control. Some plants may need to be deadh0.ded or lightly pruned. • • •••••••••••• •,. Fertilizing: Do Do not apply fertilizers to your rain garden...The.rain garden soil mix provides plenty of nutrients and your garden is planted with rtati*e plants that are adapted to this region,no fertilizing is needed. • . .• Herbicides and Pesticides: Do not use herbicides or pest(cides.in".Youriain garden. ..• . Erosion control: Check the rain garden for areas of exposed.s014 particularly in the fall before the wet season begins,as well as in the winter. If erosion•perSists.in the-•rain garden, too much water may be flowing into the garden too rapidlyi•-' . • -•• • • ••-• Plant replacement: Occasionally certain plants in the new rain gardenwill not thrive or become a problem in the rain garden. Make a note of which plants did not.function'well and why. Replace plants as needed. Exhibit B to Rain Garden Maintenance Agreement ..••• . .