Here you will find nearly two hundred different annuals and perennials that under normal conditions are slug-resistant. Plants that are preferred by slugs have often lost their defense mechanisms as a result of plant breeding.
Most humans do not like to taste bitter salad greens or vegetables, and the same is true for most slugs and snails. For a gardener, it is also important to know which plants are especially loved by slugs and snails. Then you can avoid some of them and replace them with resistant varieties.
Apart from resistant flowering plants, there are also many herbs and vegetables which slugs do not like. The alphabetical list below consists of flowering plants which have been able to defend themselves against slugs and snails.
However, please be aware that most slugs and snails are omnivores, which means they can eat anything. Nevertheless, some plant families are particularly resistant towards slugs, such as the following:. Also, the location where a plant is growing can play a role, as can the season and the power of the plants to protect themselves.
Therefore, I recommend that you cultivate young plants in designated areas and protect them with copper , slug fences or slug collars. The following list provides a selection of beautiful flowering plants that can be cultivated without much danger of slugs or snails eating them. Some seed companies already offer special seed mixtures and tapes consisting only of flower seeds, which slugs avoid and are reluctant to eat.
For example, slug-resistant hostas are available more information from Amazon. Alpine Anemone Pulsatilla Alpina, alpine pasqueflower. Amaranth family e. Bellflowers Campanula genus — vulnerability depending on the species.
Bugle ajuga, reptans, blue bugle, bugleherb, bugleweed, carpetweed, St. Lawrence plant. Burningbush Bassia scoparia, ragweed, summer cypress, kochia, belvedere, Mexican firebush. Bushy aster Symphyotrichum dumosum, rice button aster. California poppy Eschscholzia californica, golden poppy, California sunlight, cup of gold.
Clove pink Dianthus caryophyllus. Comfrey Symphytum. Corn marigold Glebionis segetum, corn daisy. Cotton thistle Onopordum acanthium, Scotch thistle. Cranesbills Geranium genus. Cymbalaria muralis ivy-leaved toadflax, Oxford ivy, mother of tousands, mennywort, wandering sailor.
So why not stop? Many plants have developed their own resistance to slugs and other leaf-munchers. Some, such as foxgloves and euphorbias , have toxic leaves, while others, such as stachys and pulmonarias , have developed thick or hairy foliage, which slugs and snails appear not to like. Swollen, succulent foliage such as those of sedums and sempervivums can deter slugs, too. Aquilegias come in a variety of different colours and tolerate shade.
They self seed readily and are perfect for drifting through the border. Penstemons produce foxglove -like flowers, which look fantastic in informal and cottage garden schemes, and are extremely attractive to bumblebees. Spurges have a milky sap that can irritate human skin and appears to be unpalatable to slugs and snails. There are many plants within this genus, including annuals, perennials, shrubs and succulents.
Their small flowers are held in cupped, often colourful bracts. Hardy geraniums , commonly known as cranesbill geraniums or simply cranesbills, are reliable, sometimes invasive, but undeniably stunning, long-flowering plants. Within the genus there are tiny alpine types and substantial border plants. Ajuga reptans is a common plant related to the wild bugle, but selected for leaf colour and flower spikes. The foliage is robust, evergreen and dark green, making a good background to the upright spikes of dark blue flowers, produced throughout late spring to mid summer.
Ajuga is a versatile plant, equally at home as ground cover under trees or shrubs as in a sunny flower border, and even in containers. Foxglove leaves contain the toxin digoxin, which is used in heart medicine but which can also kill a person if taken in the wrong dose. These toxins appear to be harmful to slugs and snails, too, as they avoid eating the leaves. Astrantias are well-suited to growing under trees, preferably in moist soil. The flowers of the Japanese anemone show off a daisy-like appearance while the rough foliage makes a great textural impression.
Those with small gardens can include them in containers. Japanese anemone blooms in shades of white or pink. The plant is a fitting choice for yards with acidic soil and can sometimes grow easily in more difficult spots like areas under trees. This is mostly due to its shade tolerance which makes this type of anemone quite versatile.
This native of China can be a powerful choice for landscaping purposes. The brilliant color of the Japanese anemone is welcomed in borders, especially in the late summer garden. If you have slug problems in cottage or coastal gardens, this plant is also recommended. This perennial flower has a tendency to create clumps and the name refers to the rung-like arrangement of the leaves.
The most common varieties bloom in shades of purple but there are other options for those who prefer white, yellow, and pink flowers. Partial or dappled shade can allow this plant to thrive but it also requires moist and rich soil with good drainage. Regular watering can help if you wish to benefit from high-quality blooms. Keep the soil consistently moist but not wet.
These plants are considered deciduous shrubs and are recommended for gardeners that love the blooms of classic peonies with the added benefit of a woody structure. The growing habit of the tree peony makes it suitable as a hedge plant or to decorate a property line.
This native of China prefers areas with hot summers and cold winters. It can develop as expected in hardiness zones 4 to 8. Anywhere from full sun to part shade exposure should be fine for this plant while fertile loam soil is ideal for growing showy flowers in shades of red, purple, white, and pink.
Mulching could be important in the fall for locations with harsh winters. The leaves of the foxglove plant contain a toxin that makes them unappealing to slugs or snails.
This represents great news for gardeners that appreciate the eye-catching flowers of these slender plants. Foxgloves are also poisonous for humans and pets so keep that in mind before considering them for your yard. Heart medication is actually produced using toxins from foxgloves because the substances can have therapeutic benefits only in the correct dose. Thanks to their height, foxgloves work nicely to be included in the back row of flower borders.
The flowers of foxgloves draw the attention of hummingbirds while their appearance matches the aesthetic of a cottage garden very well. Foxgloves can be grown well in multiple sunlight conditions but you need to adapt the chosen garden spot according to your specific climate. Rosemary twigs can be incorporated in cooking besides warding away slugs and snails. This fragrant herb is quite easy to grow and can be used for many landscaping purposes.
For example, some people use rosemary as a topiary plant because it can grow quite tall and wide making it simple to shape. Providing an optimal growing environment for rosemary involves living within hardiness areas 8 to Rosemary is popularly grown indoors to flavor your meals and bring its pleasant scent to the kitchen. Hellebores plants like the Lenten rose have a waxy coating and leaves that are hard to chew.
These are important details when searching for a slug-proof plant. In their native environment, hellebores can be found at the edges of woodlands where they show off bold, evergreen foliage with elegant blooms. Many gardeners grow hellebores for their solid decorative potential.
Their flowers will typically have petals in shades of white, purple, and pink. There are many varieties though with many blooms showing off more exotic looks with some offering striped, spotted, or picotee sepals.
Another advantage of this plant is its rich nectar that draws bumblebees to your garden. Some people might dislike the way hellebores flowers have a downward-facing habit but this protects the pollen and shelters pollinators.
Another great plant to consider for maintaining a slug-free garden is cyclamen. There are lots of different types of cyclamen plants but they all have some features in common. Cyclamens show off attractive foliage with heart-shaped leaves and colorful sweet-scented flowers that make them popular as houseplants.
No wonder that an extract from this shrub commonly treated as if it were a perennial is sold as a slug repellent. Catmint plants Nepeta spp. Many herbs are strong-smelling, and slugs usually leave them alone.
Larger types, such as Six Hills Giant , make for effective ground covers. Slugs probably have two reasons for not wanting to eat the leaves of Lenten rose Helleborus orientalis :. The hairy leaves of lamb's ears Stachys byzantina make them slug-resistant. They may repel slugs, but you will be drawn to them. Gardeners can't resist petting lamb's ears as they walk by while doing their gardening chores.
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