Tons of bugs on newly planted roses
bruin27
9 years ago
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- Emily H9 years ago
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Please help! Rose Bug & Health Questions (w/Photos)
Comments (8)Vzz-- Thanks for the detailed information and intelligent questions. York Rose is correct about rose slugs on the mini rose. If you don't find the worms underneath, they have already been picked off by wasps. The Double Delight looks fine to me. The gnarly new leaves may have been injured by aphids or another small insect-- this is probably trivial damage. Get some web images of aphids; those on eastern roses are usually green or peach colored. Just wipe them off with your fingers, or you can ignore them short of total encrustation. The dark shading on the left side may be spray burn from the soap. Using soap or oil on roses in hot weather is iffy. I don't see any signs of waterlogging. I would fill the pot to within 1" of the rim with more soil and a bark mulch of 1-1/2". The rose will appreciate the increased rooting depth. The bottom 1-2" in pots tends to stay too wet for roots to use. I would water pots as soon as there is slight drying under the mulch. The soil needs to be quite moist. When you irrigate, water until there is drainage from the holes, possibly two gallons at a time depending on the pot size. Don't use a pot saucer. Pots here don't need daily watering, but I can't say about your conditions with hot all-day sun. It's good that your pot is a pale color. Possibly your rose might use 5 gal. per week in hot weather, less in spring or fall. After you use up the Bloom Buster, switch to regular, rose, or acid Miracle Gro or a cheaper equivalent. Roses use 3x as much nitrogen as phosphate, so the BB formula makes no sense....See MoreBugs eating my rose leaves. Any idea who?
Comments (36)I found this link that might help: Posted by gardenguru1950 SunsetZ16 (My Page) on Sat, Aug 8, 09 at 13:06 The most common "eater" of rose leaves in California is the Bristly Rose Slug, the larvae of the Rose Sawfly. The sawfly is a pudgy little wasp. It lays its eggs on the UNDERSIDES of the leaves and the caterpillars feed on the UNDERSIDES of the leaves. The rose slug is tiny, no more than 1/4-inch long and very slender, and it's the exact same pale green as the undersides of the leaves. Talk about hard to see and find! It's the critter that "skelotinizes" rose leaves. It's pretty easy to get rid of, actually. Almost any good spray will do the job: insecticidal soap, Neem, pyrethrum. The trick is to spray thoroughly UNDER the leaves. Not stand back and spray all over. You have to get UNDER the leaves. By the way, a commonly suggested spray for rose sawfly is BT. It doesn't work. It doesn't work because it's meant for the caterpillars of moths and butterflies. The rose slug is the larvae of a wasp. And I'm not sure of any beneficial insect that preys upon it. As for your rose buds, Applenut has a good idea. Go outside late at night with a flashlight. The critter most likely is an earwig, sowbug or pillbug. It also might be a slug or snail. Joe Here is a link that might be useful: Bugs that eat roses' leaves...See MoreWhat are these bugs on my roses?
Comments (14)Cilantro is a major attractor of lady bugs. This year my wife asked me to build a planter on the deck right off the kitchen so she could plants herbs. I built the 8' x 2' planter and filled it with lots of herbs including two cilantro plants. I normally see lots of aphids in the spring but this year I saw aphids on only one of my roses and it was just an event that occurred twice. Since then, no aphids! I just thought I had a good year. I checked with other rosarians in the area and they said they all had the usual invasion of aphids in late spring. Then later on I read that all those ladybugs that were always on our herb garden eat aphids! I executed natural control without even trying lol....See MoreNew to gardening, knockout roses have every bug
Comments (5)Your main damage looks like it's from sawfly larvae ( rose slugs)...worm looking things on your leaves (underneath leaf usually) holes in leaves and they leave those white marks... Your choices are as soon as you first start seeing damage you can pick them off the bush. (In your case things are a bit out of hand now...) But you can still pick them off... You can try spraying them off with your hose... Remember most of the time they are on the bottom side of leaves... Some areas Rose Slugs will come and do damage for awhile and then leave...Other areas they can be there all season...Birds, wasps, will eat them... Or you can spray Safers Insecticide soap or Spinosad following directions to a T to be effective... Black bud??? I do not know... I see some what looks like aphids in pic 7... Hose them off with water but be careful not to break stems etc.... Who opened Pandoras box......See Morejerijen
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