Question
I live in MD, zone 21047, in an area in Harford County referred to as the Hereford Zone, as it seems to be a bit colder. It is 30 miles north of Baltimore, and 20 miles south of York. I have tried without much success to grow roses in the past(Iceberg did not perform satisfactorily then died), I would like a fragrant, prolific repeat blooming, disease resistant, hardy rose that is good for cutting. Moondance is next on my list to try. Do you have any recommendations?

Answer
Although people usually blame themselves when a rose doesn't grow well or dies, it is almost always the rose itself that is the problem not the gardener. To grow good healthy roses you must buy healthy roses and that means the best way to buy them is from a nursery that only sells roses. They know how to grow and how to store them through the winter. Although local nurseries sell roses, they also sell tree, shrubs perennials annuals, the list goes on, and some times the roses don't get looked after as they should be. Many times the roses are siting out in full sun in a plastic pot and the roots get damaged.
Your definition of the type of rose you want has yet to be breed and when it does, the breeder will make a fortune. The stumbling block here is the disease resistance. If black spot fungus was just one strain then many roses would be resistant to it. But the black spot fungus mutates and then infects the normally disease resistant rose. Also if conditions are perfect for this disease to infect and multiply, then most roses will get it.
Here is a list of vigorous, very fragrant hybrid tea roses for you to try. Most should have good disease resistance in your area.
Betty White
Dolly Parton
Frederick Mistral
Duftzauber 84
Memorial Day Rose
Paul McCartney
Pope John Paul
David Austin roses have a strong scent.
Abraham Darby
Eglantyne
Geoff Hamilton
William Shakespeare 2000