CONTENTS
Biology and Management
Registered Herbicides
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Identification]
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| Pineappleweed Seedling |
Pineappleweed Flowers |
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Pineappleweed is a summer or winter
annual that reproduces by seed. The seeds germinate early spring to early fall.
Young plants form a rosette. Flowers are present from May to September. The plants
are bushy with finely divided leaves. Mature plants have elongated branching stems with
alternate leaves. The flowers are yellow-green, rounded or conical shaped. Crushed leaves
have a pineapple scent. This weed is native to the Pacific coast and is now widely
distributed in the United States. It is most common in perennial crops such as mint,
turfgrass, landscape and nursery crops. This species tolerates compact soil and
mowing. |
| Pineappleweed Mature
Plant |
Description |
This section contains information on identification of
the different life stages of Pineapple Weed. Select Biology and Management from the
Contents Menu for more information on the biology and management, or select Registered
Herbicides for the herbicides that are registered to control this weed in mint. |
