Common groundsel or old-man-of-the-spring (Senecio vulgaris) is found nearly everywhere in California. • Reproduces from seed. Acknowledgements 4030. What can I do to get rid of it? Contact webmaster. In addition to the general weediness of this plant, it also can cause chronic liver poisoning to horses, cattle, and swine, even if only a small amount is eaten over a few weeks' time. If you need help figuring out how much to apply, use the My Lawn app on your smartphone to get the right answer fast. Groundsel, in common with many other common garden weeds, such as Chickweed, Dandelion, Bindweed, Plantain, etc., may be freely given to rabbits. Agri. Learn how to control Common Groundsel with these easy to use products! 7 tips for control It is a competitive plant in landscaped areas and gardens, but it is generally not a problem in lawns. The key to control when using mulches is to choose a mulch size that is large enough to allow water to pass through and the mulch surface to dry out. Remove weeds and dispose of them (not on the compost heap) to prevent them re-establishing. Seed can blow in from surrounding gardens, fields and waste ground. 1-Colorado potato beetle It is easy to identify these beetles with their yellow colored backs with 10 black stripes. Meaning of senecio vulgaris. This characteristic black tip distinguishes common groundsel from other plants in the Asteraceae family. Chickweed grows well in compacted soil. The best way to get rid of them? ; For small patches dig out and dispose of root crowns and rhizomes at a refuse transfer station. Because the roots are dense, they hold their ground. Information and translations of senecio vulgaris in the most comprehensive dictionary definitions resource on the web. A bushy weed that bears small yellow flowers and fluffy seedheads. Division of Agriculture and Natural Resources In the spring, the stems grow dandelion-like yellow bulbs that produce seeds. 2. In full sun, groundsel grows up to 2 feet tall with a shallow taproot and a secondary fibrous root system and is often branched. Mulching discourages seed germination but turning soil encourages it. This weed is easily controlled with 2,4-D amine at 1 to 2 pt/A. Pull out young plants by hand before they get the chance to flower and seed. Target oxalis seedlings and young plants (before the flowering stage) for best results. Apply Gramoxone alone or in combination with soil­active herbicides diuron, hexazinone, or norflurazon for extended residual control. 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