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Polygonum amphibium - Water Smartweed
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| Family: Polygonaceae | Growth Form: Forb/Herb |
| Hydro Zone: -12 to 3 | NWC: OBL |
| C-value: 4 | Max Height: 3 |
| Hardiness Zones: -23dF | Light: Thrives in full sun |
| Bloom: 10 June- 1 Oct | Collect Seed: Fall |
| Similar Species: | |
| Distinguishing Characteristics: Aquatic-adapted; Floating branches with alternate, smooth, eliptical leaves with rounded tips; Flowers arranged in oval/connical cluster 1/5-4 cm. | |
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Early Growth
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Mid Growth
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Full Growth
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Flower
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Seed
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Distinguishing Characteristic
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