Maryland Grows

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December Tips and Tasks

An amaryllis is a popular holiday gift. With proper care, they can bloom again. Maryland’s Lawn Fertilizer Law prohibits anyone from using fertilizer products to melt ice and snow on steps, sidewalks or driveways. Evergreens like hollies, boxwoods, and pines can be moderately…

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November Tips and Tasks

Mulch your perennials after the first hard freeze. This helps to protect them from frost heaving caused by the freezing and thawing of the soil. Mulch helps moderate temperature fluctuations, reducing this problem. Mulch should be no more than 2-3″…

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October Tips and Tasks

Fall coloration on white pines happens every fall but in some years it is more noticeable. The inner needles yellow and drop off. This can also occur on rhododendrons and other evergreen shrubs. This is normal for this time of year. Flower…

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September Tips & Tasks

Powdery mildew may be seen now on many trees, shrubs, and perennials, like pin oak, roses, lilac, phlox, peonies, and monarda. This fungal disease favors high humidity but unlike other fungi does not require wet weather to thrive. It usually appears…

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Yard and Garden Tips and Tasks for June

Outdoor Yard and Garden Tips Cut iris flower stalks down to the crown when they are finished blooming. Leave the foliage alone. If your iris are over-crowded after flowering lift and divide them. Check rhizomes for iris borer. Practice IPM (Integrated Pest Management) in…

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Monthly Tips for April

Outdoor Garden and Yard Tips Cedar-apple rust disease forms its galls on Virginia cedar (Juniperus virginiana) in April. The odd-looking galls are at first bright orange gelatinous balls with long “horns” or projections; they later turn brown and become hard. They are…

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Monthly Tips for March

Lawn Late winter-early spring is considered the second-best time (the best time is late August through mid-October) to seed your lawn make repairs, or to cover bare areas. Read (PDF) HG 102, Lawn Establishment, Renovation and Overseeding. Soil testing can be…

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