University of Maryland Extension

Home and Garden Information Center

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Mushrooms - Lawns

Back to Common Problems - Lawns Various species of mushrooms may appear in lawns after wet weather. A mushroom is the spore-bearing or fruiting structure of a fungus that grows in the soil. The fungus feeds on dead organic matter such as dead tree roots, buried logs, and stumps. These fungi may...

Grasses

The plants below were featured in prior months on the Home and Garden Information Center's Featured Plants. Current selections can be found on the Featured Plants page . Little Bluestem Feather Reed Grass 'Karl Foerster' Fountain Grass 'Karley Rose'

Fairy Rings - Lawns

Back to Common Problems - Lawns Fairy rings are caused by many species of mushroom-forming fungi that cause rings or arcs of dead grass or rings of stimulated grass. These rings are variable in size and are sometimes followed by rings of mushrooms during rainy seasons. · All turfgrasses can be...

Algae - Lawns

Back to Common Problems - Lawns In poorly drained or compacted areas, a black or greenish crust may form on bare soil in areas of thin turf. This black or greenish substance is algae growth, which can be more severe in compacted soils or shaded areas. Algae may have a slimy appearance when the soil...

Sod Problems - Lawns

Back to Common Problems - Lawns Problems that occur after planting sod may be the result of: Using sod that dried out prior to planting Improper soil preparation prior to planting Failure to roll the sod, which establishes good root contact with the soil Lack of sufficient water after planting...

Shade - Lawns

Back to Common Problems - Lawns Turf grasses are full sun plants that grow best with a minimum of 6 hours of direct sunlight. Grass growing near shade trees must also compete with tree roots and shade-tolerant weeds for water and nutrients. Turf-type tall fescues and fine fescues, such as hard...

Seedling Problems - Lawns

Back to Common Problem - Lawns Proper care during the first two months of establishment is essential to obtaining a healthy, dense turfgrass stand that is resistant to weed encroachment and other problems. Most of the necessary steps are based on common sense but are often overlooked by homeowners...

Poor Seed Germination - Lawns

Back to Common Problems - Lawns Starting a new lawn or overseeding an existing lawn successfully is a process described in publication (PDF) HG 102 Lawn Establishment, Renovation, and Overseeding . When a newly seeded lawn fails to germinate or germination is uneven, a number of possible causes...

Oil or Gasolline - Lawns

Back to Common Problems - Lawns Black or dark spots or patches, which appear suddenly on the lawn, may be the result of oil or gasoline spills from a leaking lawn mower or other gasoline powered tools. Small gasoline leaks or spills volatilize quickly and no action is necessary. A severe oil leak...

White Crust on Soil - Houseplants

High soluble salts are caused by the excessive use of fertilizers, frequent applications of fertilizer, and the incorrect use of fertilizer concentrates. Symptoms : The typical symptoms are browning or dieback of the leaf tips and margins. Sometimes yellowing or stunting may occur. The root systems...

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