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Picture

Off With Their Heads!

6/12/2014

1 Comment

 
Picture
An annual Coreopsis ripe for shearing. Two weeks later, it's recovered in a bushier form and is ready to start setting buds for all-summer bloom.

When it's time to buy and plant annuals for your summer containers, beds or baskets, you may encounter a common problem, and here's an easy solution. Plants that are grown packed together in flats or trays (especially annuals) often get tall and leggy, even though they may be in bud or flowering. I always recommend shearing as a way to promote bushy new growth, ultimately resulting in more blooms per plant in your garden. Reducing the amount of foliage temporarily also helps the transplant settle into its new home, and grow more roots that can support a fuller plant with lots more foliage and flowers.

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A tray of Salvia 'Indigo Spires' as sold in the nursery, and a single plant which, though blooming, is too leggy... and here's where to cut: just above a node, more than halfway down.
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Ten days later, the Salvia has adjusted well to its planting space, and the results are evident by September when the plant produces many more flowers than it would have done without shearing.

Novice gardeners look on in horror when I show them the point at which the shearing should be done... generally half or more of the plant. But trust me, take a deep breath and cut! You'll sacrifice some in the short run, but reap the rewards many times over as the season goes on.

There are also many perennials that benefit from a haircut or two over the growing year... Asters being a particularly good example. An easy way to remember is to shear them on Mothers' Day, Memorial Day and the Fourth of July. After that, let them grow on out and set their buds for September flowering.

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Aster 'Little Carlow' getting its Memorial Day cut... and the September flowering.

I'm pretty brutal in my garden, so there's a whole list of perennials I cut right down to the ground after flowering:  Daylilies, Comfrey and Pulmonarias to name a few... just to get a tidier flush of new foliage for the rest of the growing season. 

So remember, in gardening as in life, a little delayed gratification never hurt anyone, so cut back early and enjoy the payoff later in stockier plants and lots more flowers!

1 Comment
Jude Wagner link
3/11/2021 12:19:06 pm

Greeat post

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    Welcome to Sempervivum, an opinionated, sometimes informed and completely unqualified journal of gardens, plants and plantings by artist-gardener Robert Clyde Anderson.

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