University of Maryland Extension

Home and Garden Information Center

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Common Lespedeza or Japanese Clover

Common Lespedeza or Japanese clover ( Lespedeza striata ) Photo: Rebekah D. Wallace, University of Georgia, Bugwood.org (More lawn weeds) (Control Options) ( General Weed Gallery) General Description: Common lespedeza, also known as Japanese clover, ( Kummerowia striata , syn. Lespedeza striata )...

Paulownia (Empress or Princess Tree)*

Paulownia tomentosa Photo by James H. Miller, USDA Forest Service, Bugwood.org Life Cycle: deciduous tree Growth habit: small to medium tree that reaches a height of 30-60 ft. Produces clusters of light purple, fragrant flowers in the spring. Paulownia is a highly competitive, invasive* ornamental...

Mile a Minute Vine*

Mile a Minute Vine* or Devil's tear thumb Polygonum perfoliata Life Cycle: Summer annual herbaceous vine that can climb over vegetation, smothering plants forming dense mats; invasive Growth habit: Thrives in full sun but can tolerate shade. Shallow fibrous root system. Leaves are light-green,...

Care of Phalaenopsis orchids (moth orchid)

Phalaenopsis (Phals), also known as moth orchids have probably increased the allure of orchid culture for the general public more than any other orchid genus. They are mass produced and are reasonably priced. Phals are readily available in big box stores and the many hybrids are very easy to grow...

Best Practices - Soils

Soil is not “dirt.” It is a precious natural resource that is too often neglected and mismanaged. These are some ‘best practices’ for soil in our gardens and landscapes: Perform a soil test before starting a major project like a vegetable garden or lawn renovation. Maintain soil pH in the 6.0 - 7.0...

Yarrow

Photo: Yarrow (Archillea millefolium) foliage (More lawn weeds) (Control Options) ( General Weed Gallery) General description: Yarrow is a perennial broadleaf weed. Yarrow adapts to droughty soils that are not fertilized. The foliage is feathery, soft and hairy. Reproduction: spreads by seed and...

Red Sorrel (Sheep sorrel)

Photo: Red Sorrel, Rumex acetosella (More lawn weeds) (Control Options) ( General Weed Gallery) General description: Sorrel, also called sheep sorrel is a perennial broadleaf weed. The leaves are 1-3 inches long and arrow-shaped. Growth habit: Young plants form a rosette of foliage near the ground...

Common Cinquefoil

Photo: Common Cinquefoil, Potentilla simplex (More lawn weeds) (Control Options) ( General Weed Gallery) General description: Common cinquefoil is a perennial broadleaf weed. It reaches only 4-6 inches tall. Stems are rough and hairy. The leaves have five leaflets and the margins are toothed...

Prostrate Spurge

Prostrate Spurge, Euphorbia maculata (More lawn weeds) (Control Options) ( General Weed Gallery) General description: Prostrate spurge is a summer annual broadleaf weeds that spreads by seed. Spurge is low growing. The leaves are oval in shape, small, and opposite along the stem. There is usually a...

Oxalis (Yellow Woodsorrel)

Photo: Yellow Woodsorrel or Oxalis, Oxalis stricta (More lawn weeds) (Control Options) (General Weed Gallery) General description : Yellow woodsorrel, a perennial weed, is usually first noticed when it forms yellow flowers from May through September. The stems are green to purple, erect, branching...

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