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Invisible Gardener


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I am only interested in organic solutions. I do not use chemicals. Answers to pest ad disease questions as well as cultural.

Experience in the area

Been in business since 1972. Radio show, Book"Organic Rosť"' see website for more info.


Acres USA, Home and Garden Wellness Magazine Sunset Magazine, Want more?


Self taught. BA in Business. Operated own business since 1956

Past/Present Clients

Martin Sheen Oliva Newton John William Shatner Charlie Sheen Barry Levinson Herb Alpert Want more?

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    K = Knowledgeability    C = Clarity of Response    P = Politeness
Barbara05/20/16101010Thanks Andy, this is very helpful. If .....
Margie 07/05/15101010 
BRENDA06/01/15101010Thank you for your wisdom. I really .....
Melanie05/31/15101010Thanks for your advice. It's too late .....

Recent Answers from Invisible Gardener

2016-09-06 knockout roses:

not really sure what the problem is  it can be from what you are fertilizing with  are you applying compost?  Using an organic low nitrogen fertilizer?  These would help  please dont use Miracle grow as

2016-07-28 knock out roses:

Hi  you def are having a problem.  You said both soils not the same.  I would take out the roses and completely redo the soil with a good organic potting soil mixed with live compost. to which a small

2016-05-19 Roses:

Who says does it need to be cut back? Looks good to me.  Best time is around Feb when all the other roses are pruned back however anytime you prune it is fine as it will come back.    I would probably

2015-11-20 Rose of Sharon transplant:

Hi  I am assuming that these have or wintered before?  If so treat them this winter like you would normally(prune etc.)  then at the first sign of spring, dig the holes where you want them to be.  Make

2015-08-02 JFK Rose:

So, just to understand, you are saying that your JFK (It's a white rose ) is blooming Yellow?    Has it bloomed white before the graft?    is the new bloom off the new graft or the old      more than likely


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