What is causing Gardenia buds to turn brown?
sissysimone
16 years ago
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Comments (11)
bihai
16 years agolucy
16 years agoRelated Discussions
What's causing my blueberry leaves to turn reddish brown?
Comments (4)Well they were probably not exposed to a lot of light, the redness is a sign of stress. Maybe slowly expose them to the sun. Assume they are greenhouse grown and need acclimation to the outside environment. It's not that unusual, all should be fine. Increase sun exposure daily. You should do this with all new plants. Start them in shade and increase direct sun exposure over a 2 week period. Maybe now leave them in the shade a couple days, then one hour,direct sun next day 2 etc. Everything else you did seems proper, so my guess is acclimation, or possibly cold, but that looks like sun damage to me. And I agree pot looks dry, but so do mine as the top layer of these mixes often dry, but are very wet an inch down, so really do not need water. Keep it moist not wet or dry. If after 2 days in shade, the redness decreases, it was too quick a transition to sun exposure. If still red, it may be another problem....See Morewhat causes new growth to turn brown and die?
Comments (6)About rose midge - This insect is less than 1/8 of an inch long; it lays eggs on new growth and under the sepals of buds. They hatch and feed on the new growth causing it to turn brown and die. Buds don't develop. In about a week the midge falls to the ground and emerge from cocoons as adults to start the cycle all over. There won't be many blooms in a garden with midge as most of the buds will be destroyed. The first sign of a midge infestation is a tiny crisp, burnt like piece of foliage at the tip of new growth. Also, the very top leaf is usually distorted. Here's a link to Baldo's site on rose midge with some pictures. It is an old page as it mentions diazinon as a treatment, which has been banned, but the pictures are helpful. Oregon State Univ also has a good page with pictures and more up to date treatments- http://oregonstate.edu/dept/nurspest/rose_midge.htm A friend of mine has rose midge; she didn't want to use a chemical control so destroyed most of her roses hoping to replant in a couple of years. the cultural controls she tried didn't work for her. Also, there have been some discussions on rose midge here as a number of people have dealt with it. If you search you can find old threads discussing it. Disclaimer: I know the above only by reading, I've not seen it myself. I've also read pesticide burn can look like rose midge, but that's probably not a problem in your garden? Gean Here is a link that might be useful: Baldo Villegas, rose midge pictures...See MoreWhat could cause my tiger lilies to curl and turn brown at the tip?
Comments (13)Heruga, this is my tiger lily. I planted the yomogi in a pot so it doesn't take over. I want to overwinter it. This is the ashitaba koidzumi. It's growing very slowly. It seems like an eternity! I couldn't find any Patrinia scabiusifolia plants without selling my soul, so I'm trying to germinate seeds now even tho it's late. I planted a Valerian because it's the next best thing. Some ferns and Japanese painted ferns. My variegated Polygonatums didn't make berries. The native Solomon's seal is bloomning now. P. biflorum comutatum I think. A rabbit ate the tip of my Apios vine and took off like a speeding bullet. And now, I just saw more bunnies! :( Do you happen to know how many years it takes for a Lilium lancifolium bulbet to reach flowering size? I was going to plant the Apios americana in the ground, but the rabbits forced me to change my plans lol....See MoreBrowning Rose Buds: What is causing this???
Comments (19)Ann, this is a first for me, too, so I am also waiting for an answer. I had the blotchy pink dots on rose petals one other time (also botrytis, I think), but all these brown buds is a first. This is normally a very dry area. As for thrips, some people here have had luck with brightly colored plastic picnic cups, smeared with any oil - vaseline to cooking oil - held at bloom height on a stick. The thrips go for the color and are trapped in the oil. (That doesn't make sense to me because thrips usually like the lighter colored roses.) Other than that, I've never heard of a thrip preventative. I'll read your links. Thank you for doing the research and posting the links. You didn't ask about aphids, but if you have them, try to attract chickadees to your garden. They're light enough to sit on a stem without bending it over and devour every aphid in sight. My aphids are so bad this year, that the chickadees have become almost pets. roseseek, I will also take note of your links because our weather is new and different every year. We've had so few pests and fungal problems, but looks like they're finding us. Thank you for the links....See Morebuyorsell888
16 years agosissysimone
16 years agobuyorsell888
16 years agosissysimone
16 years agobirdsnblooms
16 years agoSJESCOBAR
12 years agof_allen
9 years agomirna_guzman1974
9 years ago
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