ROS under/overwatering or fungus?

hoosier2bJuly 23, 2009

Hi all, Hope someone can help. Have 3 ROS, all purple Althea(?)double flower, planted 20 ft away from each other. Had the same problem last yr. w/ same plant, so this yr gave all 3 a systemic insecticide a month ago. The problem has come back - no insects, but most leaves on one are developing black edges, and some are turning yellow. Other 2 are fine. Basically, all get equal treatment with regard to watering, sunlight, fertilization, and insect control. Two are fine, but I'm at my wits end, as I'm expecting early (yellowed) leaf drop and few if any flowers on this one (even though many buds). Any takers? Thanks! Kathy

Thank you for reporting this comment. Undo
jean001(z8aPortland, OR)

Can you pots pictures, please?

    Bookmark   July 29, 2009 at 2:06AM
Sign Up to comment
More Discussions
new seedling
one of my seedlings bloomed. nice flower shape - have...
new website format not fun
I really don't like the new format...
Is it ok to plant a hibiscus in a pot with no drainage holes?
Hi, I'd like to use this huge pot for one of my hibiscuses....
Project time
finally decided to pull the trigger and build a little...
Hibiscus from cuttings ??
I was lucky to obtain a cutting from a lovely yellow...
Country Sunflower
© 2015 Houzz Inc. Houzz® The new way to design your home™