Can I cut back yarrow for a second bloom???

summerstar(Z7VA)July 4, 2008

Hiya!

I live in central Virginia and the yarrow is just about finished blooming. The usual side shoots for smaller flowers are coming now and the older flowers heads are starting to darken.

I've had success with the following: I cut back all my cat mint to about six inches in height about three weeks ago. Now all the plants have new growth and are about a foot high with new flowers about to open. I'm happy.

So . . . Can I cut down my yarrow, say to about half it's normal height and get a second bloom time? Are there other perennials that respond with a second blooming if they're cut back??? Wouldn't THAT be great!!!

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echinaceamaniac(7)

I cut my yarrow back and it's now growing. It's supposed to bloom again if you cut it back. I like to cut it back anyways because it looks so terrible after blooming. It's floppy and yucky! It looks much better since pruning.

    Bookmark   July 4, 2008 at 7:13PM
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dyhgarden(7b)

I cut back my 'Moonshine' yarrow and it's much prettier with even more blooms and a bigger plant. First season for mine, too. I'm impressed.

Cameron

    Bookmark   July 4, 2008 at 7:54PM
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momamamo

Absolutely cut them back. What other perennials are you wondering about? Maureen

    Bookmark   July 5, 2008 at 5:53AM
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laceyvail(6A, WV)

Cut your yarrow to the ground, not halfway.

    Bookmark   July 5, 2008 at 6:27AM
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molie(z6 CT)

Yes, cut it back to the ground. Then just wait to see what happens next year... yikes! My planting is now enormous after two years. If you plant this in the right place, it will NEVER leave.

Molie

    Bookmark   July 5, 2008 at 7:04PM
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lynnencfan(7b/8aNC)

I have always cut my yarrow back and got 2nd blooms plus it looks neater - this year I cut back my baptisia to 6" because it was just getting way too big - it is up about 18" and now I am wondering if I might get a second bloom from that????......

Lynne

    Bookmark   July 5, 2008 at 8:44PM
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dyhgarden(7b)

Lynne...that's interesting about the baptisia. My two mother plants are now at least 4 feet tall and wide. They are full of seed pods, too. When did you cut it back to 6"...right after the bloom or when it came to life in the spring?

Cameron

    Bookmark   July 5, 2008 at 10:16PM
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laperouse(6)

Does anyone cut back their Euphorbia polychroma? Mine was opening up and flopping so I decided to take the pruners to it (took 1/3 off) and we shall see what happens. Adn what about alchemilla mollis? I heard that if you shear it to the ground after flowering you might get second blooming in the fall. That would account for pictures I've seen with Anemone robustissima flowering with flowering alchemilla at its feet!

Marianne

    Bookmark   July 6, 2008 at 8:40AM
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summerstar(Z7VA)

Mamamamo and any others . . .

Knowing I can cut back Yarrow for a second bloom is great news! Thanks for the names of other perennials that can be cut back for a second bloom. Can you use common names please? I recognize some, but not all.

I'm wondering about this: How do you determine how short you cut a plant back? In most cases is it "to the ground"?

How about hyssop? It grows taller than advertised and I wouldn't mind loosing some of its height and gaining a second bloom. Bees won't be happy though . . .

    Bookmark   July 6, 2008 at 3:56PM
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prairiegirlz5

You can google using the term "deadheading" for lots more information on this practice. Salvia is another common plant that absolutely needs to be cut back for continuous bloom.

    Bookmark   July 6, 2008 at 4:50PM
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