University of Maryland Extension


Purple Smokebush ‘Royal Purple’ Cotinus coggygria ‘Royal Purple’
Lizard’s Tail Saururus cernuus
Blanket flower, Gaillardia Gaillardia x grandiflora
Peppers Capsicum annuum
Reblooming Bigleaf Hydrangea Hydrangea Macrophylla ‘Endless Summer’
Japanese Stewartia Stewartia pseudocamellia
Coral honeysuckle Lonicera sempervirens
Annual vinca, Madagascar periwinkle Catharanthus roseus ‘Cascade Lilac’
Blue-eyed grass Sisyrinchium angustifolium
Okra Abelmoschus esculentus
Strawberries Fragaria x ananassa
Deutzia Deutzia gracilis
Tiarella, Allegheny foamflower Tiarella cordifolia
Lenten rose, Helleborus Helleborus orientalis
Apostle plant, Walking Iris Neomarica gracilis
IPM Series - Dogwood (HG12) Symptoms Possible Causes Notes Leaf and Flower Spots Dogwood Anthracnose, (Discula) Spots on leaves and flower bracts; eventually expand (spring)   Spot Anthracnose, (Elsinoe)
I’m Lichen It! - Peak Season for Lichen Peeping Pictured above - Beard lichen on dogwood trunk, Caroline County MD Back to Home and Garden Information Center Home Page
Parsley Petroselinum crispum
Shallots Allium cepa var. aggregatum
Sweet box Sarcococca hookerana var. humilis
Bulb fennel, Florence fennel Foeniculum vulgare var. azoricum
Melting Ice Safely (FS707)   Each winter, people apply tons of ice-melting materials to sidewalks, driveways, and steps, often without regard to proper application procedures or to what the deicing substance contains. Careless use of deicing products can damage both the home and the environment:
Dragon Lady Holly Ilex x aquipernyi  
Pothos or Devil’s Ivy ‘Neon’ Scindapsus aureum or Epipremnum aureum ‘Neon’
Prickly Pear Cactus Opuntia humifusa
IPM Series: Azaleas and Rhododendrons (HG51) Symptoms Possible Causes Notes Leaf Yellowing Older Leaf Drop  Towards interior of plant  High Soil pH 
Nutrient Problems and Their Management in Tomatoes Learn about "Nutrient Problems and Their Management in Tomatoes" through viewing the very detailed and illustrated presentation below.


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