Poison ivy  Poison ivy grow as a deciduous shrub or vine. A resin that covers the leaves, stems, fruits, and roots is toxic and commonly causes severe, painful skin rashes. Description and Life Cycle: Grows as bushy shrub to 3 feet tall or climbing or creeping vine in shade. Compound leaves bear three oval
Poison oak                      Poison oak is perennial deciduous plant that grows as a shrub or vine. All parts of the plant are covered with a highly toxic resin that can cause severe dermatitis. Description and
Ragweed There are several species of plants that are called ragweed. All produce pollen that is easily carried by the wind and causes hay fever among those who are susceptible. Common ragweed is an annual. Western ragweed is a perennial. Description and Life Cycle: Most ragweed plants grow 1 to 5 feet tall depending on
Wild garlic Wild garlic is a perennial plant that grows from bulbils. There are several species of wild garlic. Wild garlic is sometimes cultivated as an ornamental but can be hard to control as it spreads. Descriptions and Life Cycle: Plants grow to 3 feet tall. Plant grows from a cluster of bulbs covered with
Henbit                      Henbit is a broad-leafed plant that grows as an annual but also as a biennial and short-lived perennial. It is also known as dead nettle, bee nettle, and lamium. Description and Life Cycle:
Foxtail                      Foxtail is an annual plant that grows as a weed in lawns, vegetable and ornamental gardens, orchards, and vineyards. The seedlings look much like annual grasses. Descriptions and Life Cycle: Stalks grow 1
Anthracnose of leaf Anthracnose—also called Leaf Spot Fungus–is a catch-all name to describe several diseases caused by fungi that flourish in wet weather. Anthracnose causes small, dark spots with yellow halos to develop on leaves. The spots become sunken lesions. Lesions may also form on stems and fruits. Leaf spots grow larger, become angular, and
Late Blight on Tomato Late blight is a fungal disease that can infect tomato and potato plants. The disease spreads rapidly and will likely destroy the infected plant in a few days. Wind- and water-borne fungal spores can quickly spread to other plants—including eggplants, and peppers. Late blight commonly strikes when nights are cool and
Early blight on potato leaf Early blight is a fungal disease that targets tomatoes in particular but also hits potatoes, peppers, and eggplant. Early blight can infect plants at almost any time during the growing season. It is most prevalent in regions where there is high humidity and when temperatures are greater than 75°F. Fungal
Septoria leaf spot Septoria leaf spot is a fungal disease. It is one of the most destructive tomato plant diseases and affects a wide range of other vegetables and garden plants as well. Septoria fungal leaf spot is most severe in regions where warm, wet, humid weather extends over several days to weeks. Target Plants:
