Biological Pest Control: Nematodes as a Chemical-Free Option
Fish are worth thinking through carefully. Ornamental fish will happily eat frogspawn and tadpoles, so a pond intended mainly for amphibians is usually better left fish-free. Leaving some leaf litter to settle at the bottom over autumn also gives amphibians a place to shelter through the colder months.
Shelter matters as much as food. A quiet, shaded corner away from foot traffic and pets, ideally backed onto a hedge or shrub border, is the right spot for a dedicated shelter. Gardeners setting one up for the first time often start by browsing hedgehog houses to see the range of designs suited to different garden sizes.
Different nematode species target different problems. Some are used against slugs, others against vine weevil grubs feeding on plant roots in containers and visit borders, and others against chafer grubs or leatherjackets damaging lawns. Because they are pest-specific, the right choice depends on identifying which pest is actually causing the damage.
Plant choice shapes how much a garden offers wildlife across the year, and it is about more than flowers alone. Shape, structure, timing and what a plant offers after flowering, whether berries, seed heads or dense cover, all matter as much as bloom colour.
Nematodes are microscopic roundworms that occur naturally in soil, and certain species have been developed for use against specific garden pests. Rather than acting as a broad chemical treatment, each nematode species is matched to a particular pest, seeking it out and interrupting its lifecycle with far less impact on the rest of the garden than a chemical spray.
Feeding is straightforward but worth getting right. Meaty cat or dog food, or a specialist hedgehog food, is a better choice than bread and milk, which can cause digestive upset. A shallow dish of fresh water left out overnight is just as useful as food, particularly during dry spells in summer.
Shelter matters as much as food. A quiet, shaded corner away from foot traffic and pets, ideally backed onto a hedge or shrub border, is the right spot for a dedicated shelter. Gardeners setting one up for the first time often start by browsing hedgehog houses to see the range of designs suited to different garden sizes.
Different nematode species target different problems. Some are used against slugs, others against vine weevil grubs feeding on plant roots in containers and visit borders, and others against chafer grubs or leatherjackets damaging lawns. Because they are pest-specific, the right choice depends on identifying which pest is actually causing the damage.
Plant choice shapes how much a garden offers wildlife across the year, and it is about more than flowers alone. Shape, structure, timing and what a plant offers after flowering, whether berries, seed heads or dense cover, all matter as much as bloom colour.
Nematodes are microscopic roundworms that occur naturally in soil, and certain species have been developed for use against specific garden pests. Rather than acting as a broad chemical treatment, each nematode species is matched to a particular pest, seeking it out and interrupting its lifecycle with far less impact on the rest of the garden than a chemical spray.
Feeding is straightforward but worth getting right. Meaty cat or dog food, or a specialist hedgehog food, is a better choice than bread and milk, which can cause digestive upset. A shallow dish of fresh water left out overnight is just as useful as food, particularly during dry spells in summer.
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