I asked what they were fertilizing with (thinking they were applying too much nitrogen), and to my surprise both replied: 10-10-10. I said, That'll do it.. What I don't know is why anyone would think 10-10-10 is fine for their gardenâor how to help them fix the problem they've caused.
Garlic mustard (Alliaria petiolata) is a cool-season biennial herb that may reach up to 4 feet in height at maturity. Both the stems and leaves have a strong onion and garlic odor when crushed.It is this odor, particularly noticeable in the spring and summer, that helps to distinguish mustard weed from other mustard plants commonly found in woodlands.hen infestations are small, hand-pulling plants is the best way of killing garlic mustard. Pull plants early in the season before they flower. Also, pull plants, being sure to get as much root as possible, while the garlic mustard weeds are small and the soil is wet.
Its thrifty, biennial habit allows the plant to optimize growth before native vegetation greens up while sewing thousands of seeds with each mother plant. A native to Europe, it was originally introduced in North America by settlers for its âproclaimedâ medicinal properties and use in cooking.nderstanding the life cycle. Garlic mustard is a biennial, meaning it completes its lifecycle in just two years. The first year it is a diminutive, even attractive little plant with clusters of 3 to 4 rounded-to kidney-shaped leaves with scalloped edges. At first glance, it may be mistaken for a wild violet.