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Firstly, they have a very long taproot. Secondly, their taproot has special cells that draw the apical meristem further into the ground, so when the top is removed, the growth point is left undisturbed.

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15y ago
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15y ago

Since they are a perennial, you can't just remove them using a weedwacker before the blooms turn into fluff. The problem is that the tap root can be 10 inches long and the stem is somewhat brittle, leaving portions that the plant can use to regrow. Trying to pull the plant out of wet ground is sometimes helpful. Use an herbicide on the broad leaves on a sunny day; feed your lawn so that it crowds out any seeds before they can sprout.

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11y ago

they're a tap root plant, which is a plant that grows one extra long, thick root straight downward. all of the other roots branch off from this main one and spread outward

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