posted 2015-Nov … Like other garden plants, geraniums sometimes fall prey to insect pests that mar their beauty and lead to a decline in overall health. Remember to put them on the bird table. Snails , grasshoppers ? Geranium > Leaves > Blotches or spots on leaves. Vascular tissue of affected stems turns brown or black. They seem to prefer hostas, but will attack virtually anything with leaves. I've pulled off a few grubs, but still those yellow spots appear, which eventually look like lacework on the leaves. Telltale symptoms of insect damage include holes in leaves, flowers and buds, failure to flower, distorted leaves or a sticky black residue. Basket Case. X. campestris pv. Verticillium Wilt: Middle and upper leaves collapse, dry, and fall. If it is mostly the flowers being eaten, then it is probably deer. The leaves are covered with holes. Putting out lots of new shoots. Whirlpool Forums Addict reference: whrl.pl/RetdWz. Finally, I've got some read Geraniums growing in a terracotta pot. Posts. September 2014. Sadly, they look bitten and curled, although they seem to flourishing ok. They don't start eating at the edge of the leaf, like caterpillars and sawflies, but go right for the middle. Lyn Devon Posts: 16,510. Although insects may feast on them, deer usually leave geraniums alone. Destroy infected plants. Some of these include: Standard Geranium The most common variety on … Bacterial Leaf Blight Xanthomonas hortorum pv. There are many different species of Geraniums/Pelargoniums. 0. I have inspected the plants but I don't see anything attached the the leaves that could be eating them. Some of the holes are large and some small. Question from Kathy: Something is having a picnic on my Geraniums! "And as a gardening friend of mine once said, 'You can eat holes - they cook up really well.'" 1 of 6. pelargonii (syn. Lower leaves wilt, yellow, and fall. Round holes keep appearing in my geranium leaves . Do not bring ground-planted geraniums into the production area or propagate from them. I have 4 pots of geraniums and in the last 2 weeks they have gone from blossoming like crazy to absolutely no flowers. That will be little green caterpillars just search and pick them off. If you have little holes in the leaves it is most likely some type of caterpillar (they are so small you probably won't see them). Ivy Leaf Pelargoniums is known to keep cats away from gardens due to the strong oil content in the leaves. Slug feeding damage presents as holes in leaves between a 1/4th to 1 inch in diameter. Again, it was the 1st time I saw that color of Grasshopper anywhere B-4. The leaves have all been eaten away by something but I don't know what. Rats can also be a problem...especially if it is large areas of ivy geranium. Ralstonia solanacearum: Purchase culture-indexed plants. Broadcast: Sat 6 Sep 2014, 12:00am Published: Sat 6 Sep 2014, 12:00am I never had any problems (ever) with insects doing this. I 1st thought it was the Brown Grasshopper, cause they would hang around on the leaves. User #78054 9161 posts. How do I kill the perps and hopefully keep them away. What could it be ? I have noticed loads of holes on my geraniums leaves,but no insects.does anybody knows,who can it be and how to get rid of it?thanks. pelargonii) Round water-soaked spots become tan to brown sunken spots, 1/8 to ¼ inch in diameter; Leaf spots grow into water-soaked, brown, V-shaped lesions with a … Geraniums can be easily propagated from cuttings. Bring ground-planted geraniums into the production area or propagate from them ever ) insects! Or spots on leaves to a decline in overall health 1st time I that. Still those yellow spots appear, which eventually look like lacework on the leaves that could be them... `` and as a gardening friend of mine once said, 'You can eat -! 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