| 21. | Early to mid-spring is the best time for dividing most herbaceous perennials.
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| 22. | Cutting back the dead stalks of herbaceous perennials before mulching makes the job easier.
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| 23. | It is a grey-leaved herbaceous perennial plant, and grows to tall.
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| 24. | Herbaceous perennial and biennial plants may have grasses.
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| 25. | It is a herbaceous perennial plant growing to 1 m tall with pinnate leaves.
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| 26. | The plant is a herbaceous perennial that grows to 10 20 cm in height.
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| 27. | Midsummer is a good time to take cuttings for many herbaceous perennials, like bellflowers.
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| 28. | But don't cut your herbaceous perennial to ground level until the ground freezes.
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| 29. | First grasses take over, then herbaceous perennials, then shrubs, and then trees.
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| 30. | Decomposed organic manure is still best for planting annual and herbaceous perennials in open beds.
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