rhinelander, WI(Zone 4a)

How many hours of sun does hansa and Bonica rose need?

Madison, IL(Zone 6b)

They both require full sun.

Pequannock, NJ(Zone 6b)

http://www.rose.org/growing-roses-in-partial-shade/
You can grow roses in less than optimal full sun. Minimum 6 hours is the general recommendation. You will notice a difference in performance in less than optimal conditions such as less repeat and bloom but you can still enjoy roses. You may just get a good bloom in June and not so much going forward.

Madison, IL(Zone 6b)

Mine are partially shaded by the pear tree and they did better last summer when I trimmed it back.

rhinelander, WI(Zone 4a)

My bonica and hansa are doing well with 5 hours of midday sun, this year will be their 3rd year in the ground.

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