There are exceptions though. If a plants foliage looks crinkled or otherwise unhealthy aphids might be the problem.
Nepeta x faassenii Garden catmint.
Do slugs eat nasturtiums. Slugs go to Nasturtiums like a moth to a light bulb. Dont bother fertilizing nasturtiums as this is one plant that prefers poor soil. Parsley young plants dill cucumber herb marjoram sometimes.
They do not usually kill plants but disfigure the foliage. Also many ants on the plant also can be a sign of aphids as the ants feed on the aphids sticky secretion. Mature plants can be more snail and slug resistant and have a better chance of survival.
The cabbageworm about 1 inch in. They also attract slugs because of their large juicy green leaves. Nematodes dont work on snails that do just as much damage although if you can be arsed have time to go out at night with a torch you can pick a fair proportion of them off.
These pests leave large holes in the foliage or eat leaves entirely. If you have slugs youll see the usual signs of a snail and slug infestation chewed on leaves and snail poop if there are a lot of them. Many larger slugs primarily feed on decomposing organic matter such as dead leaves dung and even dead slugs.
Just remember to get ones with a bittering agent to stop children and pets eating them. Campanula poscharskyana or the Trailing Bellflower. To start with slugs do not enjoying eating vegetables shrubs or trees and so they are rarely a victim of slugs attack.
In cool humid climates there may be 200 slugs on every square yard of your garden. Favorite Plants of Slugs and Snails. Use snail pellets available from all garden centers.
Water nasturtiums regularly but only when the top of. Nasturtiums thrive in full sunlight and moist well-drained soil. Many Campanula will be eaten by slugs and snails but I have found they tend not to go for this trailing variety which is great for rockeries or finding its way into gaps in pavements.
Slugs can be a real problem in cool wet conditions. Plant nasturtiums seeds in early spring. Most herbs arent afraid of snails.
They generally prefer to eat old decaying material and important decomposing organisms but if that isnt available they will eat almost any crop plants though they have their preferences. Nasturtiums are prone to aphids and consequently are sometimes used as a trap crop in vegetable gardens. A slug will only eat one of those if there is nothing else to eat.
They definitely do eat marigolds they dont eat nasturtiums and you can use those in salad although pretty peppery. The alliums including leeks onions of different kinds and garlic are left alone. So if you have a garden or large plantation and you have slugs making a mess of your plants getting rid of them is as easy as planting any of these herbs.
Slugs and snails seem to hate this pungent smalling herbs as much as cats love it. The sturdy climbing beans I transplanted from pots into the ground last year were much more resistant to slugs. Fertilizer will create lush green plants at the expense of flowers.
All though by now you may not have any plants left if they have been attacked by caterpillars and aphids. A herb garden therefore isnt usually a place where a lot of slugs and snails can be found. Since it is considered an annual plant the seeds in spring when the danger of frost has passed.
The larvae are yellow cylindrical maggots and the adults are small black and yellow flies. They leave a slime trail feed at night and are mostly a problem in damp weather. Herbs that slugs like to eat.
Packed full of poisonous compounds to deter attack from a wide variety of herbivores these appear to work on slugs too at least enough to mean they escape the worst of the damage. The list of herbs that slugs love is therefore short. Imported cabbageworm and greenhouse leaftier are two leaf-eating caterpillars that feed on the nasturtiums chewing holes in the foliage and leave it ragged.
Remember that for slugs and snails soft and juicy always trumps strongly scented so basil and marigolds are not safe at all.