I know , you thought you were reading an article on a horticulture website , and here we are talking about some sort of new haircut ?

Nah , the Chelsea chop is n’t the tardy lob . It ’s actually a method acting of snip flowers to encourage more blossoms and stronger outgrowth .

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A close up horizontal image of a gardener pruning flowers in the gardener using the Chelsea chop.

Exhibit at the Chelsea Flower Show. Editorial credit: Natalia Vestigio Services / Shutterstock.com

Knowing when to habituate the Chelsea chop and how to make role of it can whole change up your garden .

It improves blossom , allows you to deepen up the florescence docket , and can prop up droopy radical .

This guide will help you , from showtime to finish . Here ’s what we ’re blab out about :

A vertical image of a colorful flower garden with a metal watering can to the side. To the top and bottom of the frame is green and white printed text.

What You’ll Learn

What Is the Chelsea Chop?

The Chelsea chop was popularized at the Chelsea Flower Show in London , England , though gardeners were informally using this method of rationalize long before .

For tall , herbaceous perennials , this is a fantastic method acting to be intimate and use . Especially if you have plant that run to want to extend to for the sun , so they end up search a little lopsided .

Each stem you chop will be encouraged to take shape side shoots , mean you ’ll have more blossoms than you would have had otherwise .

A horizontal image of an exhibit at the Chelsea flower show.

It does n’t take much to make this method happen . You simply require sharp , clean secateurs or scissors grip .

The other life-sustaining instrument is a bit of courageousness on your part . I make out it feels a second chilling to wallop a plant down without any finesse . But I forebode , it will all work out in the end .

When to Prune

The key to doing the Chelsea chop right hand is sail through the timing .

It wo n’t do you any good at all if you slit down your plants in the declension . Well , it might , but then you wo n’t be doing the Chelsea chopper method .

For those living in England ( and areas with a similar climate , like the Pacific Northwest ) , the timing is simple .

A close up vertical image of a pair of pruners snipping through the branch of an aster plant.

Just wait for the good old Chelsea Flower Show to roam around , and it ’s fourth dimension to go to study . This materialise in late May , in case you are n’t up on your Royal Horticultural Society departure - on .

For everyone else , conform accordingly . If you ’re a act more northward in North America , you ’re probably looking at mid - June .

Those in warmer coastal or southerly mood should believably be ready to go to work in later April .

A close up horizontal image of a hand from the left of the frame holding a pair of pruners snipping lavender flowers.

You ’re see to trim back when the plants have developed a good amount of superlative but are n’t budding out yet . And it is n’t the end of the universe if you do it just a flake recent or betimes . That ’s the beauty of this mere appendage .

How to Make the Cut

When we are pruning our yield trees and roses , we have to take such guardianship to really smash the right cut .

sheer just above an outward - facing node . Make the cut at an precise 45 - stage slant . murder all but five canes . You probably know the Mandrillus leucophaeus .

One of the courteous thing about this method is that it is n’t at all exact . If you had a lawn mower with a tall enough blade , you could do it that way .

A close up horizontal image of purple Alpine asters growing in a sunny garden.

To make the cut , you’re able to merely take hold of a fistful of stems and champ your way through them using your clippers . You desire to bring down each plant down by one - half to one - third .

You certainly do n’t have to make the cut even and straight . If you require , trim back the plants a turn unevenly to make more of a crazy , innate look . Or trim them high in the back and shorter in the front for a bit of a borderline upshot .

When you trim the entire plant , you delay flowering by at least a month . This can be helpful if you have a garden seam full of different plant that blossom all at the same time and you want to extend the video display a bite .

A close up horizontal image of a hand from the bottom of the frame pruning chrysanthemums pictured on a soft focus background.

If you do n’t want to hold back an extra month for the flowers to show up , there ’s a second method to strain , and we ’ll discourse that next .

Go Halfway

The second style of doing the Chelsea chop is to only cut about half of the stems . Go in there with your pruners and edit down about one-half of the stalk at random .

The benefit of doing it this way is that you will still have peak at the normal clock time as well as others that bloom afterwards , there will just be few of them .

The other benefit is that the short stanch will stomach the tall flower heads , so they ’ll be less prone to tumble over .

If you ’ve ever had a big patch of floppy blossom , you know how annoying it is when they look all splay out and fallible .

Doing the half chop is basically a natural method of shore up up your flowers . It ’s like stake them to hold them up without using any literal bet .

Plus , it prolong the flowering period of time because the stem that you sheer will still grow and blossom , they ’ll just do it by and by than the one you did n’t cut down .

The Plants You Can Chop

This is n’t the good method for annuals or woody perennial . Stick to those plants that are ( primarily ) herbaceous and grow in large clumps , such as :

Give ‘Em the Chop

There really is n’t much to the Chelsea chop , but it can have an oversized impact on the flowering of your flora .

For someadditional help on shaping up your plant , you might want to check out a few of our other guides , including :

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Kristine Lofgren