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Giant Hogweed (Heracleum mantegazzianum)
https://pested.osu.edu/node/399
Giant Hogweed (Heracleum mantegazzianum) Description: A herb in the carrot family (Apiaceae ... can grow up to 2.2' in diameter. Fruit: Large elliptic dry fruit, seeds orange and 0.5" in ... species because of its size, rapid growth and heavy seed production. It contains a substance within its ...
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Ohio Victory Garden Seeds
https://licking.osu.edu/news/ohio-victory-garden-seeds
Ohio Victory Garden Seeds Now in our office, feel free to stop by and get yours today! Packet ... includes: Sunflower, Lettuce, Cucumber, Carrot seeds. ...
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Apple of Peru (Nicandra phyhsalodes)
https://pested.osu.edu/node/396
2'-5' in height, reproducing only by seed. Weeds continuously (spring, summer, and fall) in agriculture ... Green-brown berries with papery inflated calyxes Root: Short taproot The problem is…. a prolific seed ... producer. Large, persistent seed-banks quickly accumulate in the soil due to seed dormancy. Very competitive ...
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Palmer amaranth (Amaranthys palmeri)
https://pested.osu.edu/node/408
female flowers occur on separate plants. Fruit: Single seeded utricle with black to dark brown seed ... . A plant can produce up to one million seeds. Root: Taproot with an extensive fiberous root system. The ... problem is….this aggressive plant adds to the seed-bank and it is toxic to livestock. ...
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Hairy white top or ballcress (Lepidium appelianum)
https://pested.osu.edu/node/421
are around 4 mm long from the sepal base to the tip of the petal. Fruit: Inflated seeds pods are oval ... is a prolific spreader. Each plant produces 300-2000 seeds and shoots can develop from any part of ...
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Russian thistle (Salsola Kali var. tenuifolia)
https://pested.osu.edu/node/411
profusely branched. One plant can produce up to one million seeds. Often used when rehabilitating disturbed ... auxiliary or in a terminal spike, and lack petals. Fruit: Utricle with one horizontal positioned seed. Root: ... Taproot with extensive lateral roots. The problem is….plants break off and disperse seed over long ...
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Water Hemp (Amaranthus tuberculatus)
https://pested.osu.edu/node/425
around the middle to release the seed. Root: Taproot with secondary fibrous roots. The problem is… ... produces many seeds and can be pollinated over long distances. When present, it significantly reduces crop ...
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Hedge bindweed (Castyegia sepium)
https://pested.osu.edu/node/415
seeds. Each seed is grey to black with 2 flattened sides. Root: Extensive, shallow rhizomes The problem ...
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Serrated tussock (Nassella trichotoma)
https://pested.osu.edu/node/423
brown colour as the seeds mature. Fruit: Seeds enclosed in two reddish-brown or purple bracts. Root: ...
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Heart-podded hoary cress (Lepidium draba sub. Draba)
https://pested.osu.edu/node/422
flowers Fruit: Seed pods are somewhat heart-shaped, dark brown, and hairless Root: Rhizomatous The problem ... high-price wheat lands. One mature plant produces 1,200 to 4,800 seeds ...