The Complete Gardener's Guide,

Materials Needed

  • sharp pruners

Step 1: Cut Stems

As soon as this shrub has finished flowering, cut back about a quarter of the oldest flowering stems to 6 inches (15 cm) above the ground.

Step 2: Remove Dead Stems

First remove any dead, damaged, or diseased stems, cutting them back to the base of the plant using sharp, clean pruners.

Step 3: Prune Old Growth

Prune out stems of the previous year's growth, cutting them back to about 2 or 4 buds from the old wood. This will encourage a new flush of growth.

Step 4: Trim Tips

Finally, trim the tips of any strong young stems that are already present in the plant. This encourages them to branch further down, resulting in more flowers.

1 Comments About this How To

  • Wayne
    I planted a Swamp Milkweed plant last year and it grew great. Now, directions say to prune in late winter. Not sure how far down to prune or cut to ground ? Also, I planted a butterfly bush, not sure how much to prune or cut down, if at all. Any adivse would help, thanks !!

    Posted 1 year ago

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