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35 Answers

Interestingly, the color of hydrangeas can change depending upon the acidity of the soil.  Most garden soils have enough aluminum for proper cultivation, but the aluminum may not be available to the plant if the soil PH level is high. For most bigleaf hydrangeas, blue flowers will be produced in acidic soil of pH 5.5 and lower.  The natural soil or more alkaline soils of PH 6.5 and higher often produce pink flowers. PH levels between 5.5 and pH 6.5, will be purple or a mixture of blue and pink flowers on the same plant.
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How to make soil more alkaline for pink hydrangea?
when the hydrangeas have bloomed and there blooms are turning brown and ugly, is it ok to cut those blooms off and will they rebloom for me this summer? Thank you
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What to do I do to brown blooms
how do I treat Hydrangea rust? What causes the rust?
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I have one hydrangea that I planted this spring. The plant now has frozen -- it was only minus 10. How do I trim it ? Or do I just leave it until spring. ?

Also, when do I trim spirea bushes? Do I cut the the old flowering part off?????
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how do i no if my hydrangea is dead?
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could I use fertilizer 14-12-11 on my hydrangea
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My Oak Leaf hydrangea is very large and I would like to trim it back.  When is the best time to do this and will it hurt the chance of it blooming the following year?
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I have several hydrangeas planted.  One is a big leaf plant.  How can I get them to bloom.  I have tested the soil for ph and it is 8.0.  Any advice would be appreciated.

Thank you

Chrstina Reichel
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how and when do i prune hydrangeas
Would like to buy a Braided Multi-Colored Hydrangea(Rainbow colored) any size-any style- Can you help me with this search??- Thanks Bill Weber-(I heard that there is a guy in Florida that may have them??)
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Something is stripping the bark on my Gardenia tree What could it be?
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try a trail cam............
Why are the lower leaves of my hydrangea turning yellow?
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my hydrangeas are a deep purple .  what is the acidity of my soil to make them purple ?
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hydrangea bush not growing what could be wrong
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are hydrangea poisonous to cats?
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how do I know if my plant is macrophylla,quercifolia,panniculata,or borescens?
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They may be fignting the shade producer for water and minerals. Try more water and fertilizer.
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What must be the pH value of soli for civil foundation of mobile tower
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When is the best time to plant a potted hydrangea?  Also, should they be planted in partial or full sun locations?
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planted winter of 2011 had flowers last year.  Cut off dead blooms at end of season.  No flowers this year????>
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hydrangea not blooming
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Can I cut the dead flowers and where do I cut the Hydrangeas?  Will they grow back this season?
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Is there such a thing as variegated oak leaf hydrangea??
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give two conditions that favour crop growth
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I live in northeast Michigan and have 3 hydrangea bushes, 2 facing west full sun in the morning only, shade in the afternoon and 1 facing east, shade in the morning, full sun in the afternoon and evening.  I have beautiful foliage but no blooms.  I fertilize, I water, I fretilize, I water.  I was told not to clip down in the in the fall and only to clip off dead stems in the spring.  What am I doint wrong????
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whats hapens in highly alkaine and highly acidic soil
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my hydrangeas have getting to big. How should they be cut back to remain small but still have blooms next summer?
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How to grow millet at home?
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Should we cut hydrangeas down near ground after it freezes??

We have done this in the past and they start toi grow again in the spring.

Are we doing what we should ???   Minnesota winters
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What is the best location to plant my hydrangeas on the north, south, east or west side of my house?
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Just moved to hme with  row of  hydrangeas along back yard.  They are about three feet high.

 

When do I cut them back....when do they bloom?

 

Thank you,

Pat
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my hydrangeas not growing after 2 years..there are no leaves on them and the branches are dry and not tender
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What do I do when my hydrangea blooms are brown??
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Does Honeysuckle require acid or alkaline soil?
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my hydrangeas do not bloom they grow but no blooms. what can I do?
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My Kalidoscope hydrangea is 2-3 yrs old and has never bloomed.  What am I doing wrong?
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