The tips of the petals on this Bella'roma rose from Jackson & Perkins turn brown before the bud opens. Some of the buds open to decent-looking flowers, but they still have a bit of brown on the tips of the petals. What causes this and what can I do about it?
This message was edited May 30, 2021 4:41 PM
Thrips can cause petal edges to brown. But if it's not that it may be too much water or humidity. Planting in full sun can sometimes help but certain roses are prone to browning or "balling". My Clothilda Coupert rose is planted in full sun, but always has the browning and balling problem no matter what I do. If it's just around the edges, I can pull off the brown petals and still have some lovely smelling, old-fashioned looking roses to use in a bouquet.
