Phenology updates: Garlic Mustard, Ailanthus, Purple Deadnettle, Autumn Olive, Japanese Knotweed

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Garlic Mustard (Alliaria petiolata) – Flowering

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Left: Tree-of-heaven (Ailanthus altissima)– starting to leaf out

Right: Purple Deadnettle (Lamium purpureum)- flowering

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Left: Japanese Knotweed (Fallopia japonica)- 2 – 3 feet tall

Right: Autumn Olive (Elaeagnus umbellata)- leaf out with flower buds

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About appalachianohioweeds

My name is Eric Boyda and I am the current coordinator of the Appalachian Ohio Weed Control Partnership. My interests include increasing the awareness of invasive plants and helping individuals or groups plan control strategies.

Posted on April 26, 2013, in Invasive phenology updates and tagged , , , . Bookmark the permalink. 1 Comment.

  1. I have tons of that purple deadnettle, and mustard, I know those trees of heaven when I used to live in akron they grew everywhere out the cracks of cement walls, out of cracks in the sidewalks, out the cracks of steps brick and cement, they stinck too, but I always thought their flowers and seeds were pretty on them, these things even grew out the side of basement walls under the houses, amazing where they will grow, tough crittors.

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