Tag Archives: pests

Natural pest control

ToadIf your garden is being swallowed up by slimy slugs this Summer help is at hand from the common toad (bufo bufo).  Contrary to popular belief, the common toad is a major friend in the garden, munching his way through not only slugs but several other garden pests such as beetles, earwigs and larvae. 

To encourage Mr Toad to move in, a water feature in the garden is ideal but failing that, if there are already toads nearby just making a simple shallow watering hole will probably do the trick.  You could partly bury an old shallow dish somewhere shady or use one of the trays that you would normally put under pot plants, place a few rocks in there for him to clamber on and fill the tray with water.  Make sure you keep this watering hole topped up during hot weather.  He’ll also need somewhere to live.  Toads like damp, dark places that they can dig down in so old, broken terracotta pots placed on the soil would do the trick .  They actually need remarkably little space to keep them happy,  as I’ve recently found out.  We’ve just removed a wonky old patio and found several toads hiding under the broken paving slabs – I’m happy to report that all toads have now been removed to a place of safety.  It should also go without saying that to encourage any wildlife to your garden you should stop using chemical sprays.

Here are a few toadie facts that you may not know:

  • The common toad can live up to 40 years. 
  • They are mainly nocturnal creatures. 
  • They live for most of the year in damp areas such as deciduous woodland and it is only during the breeding season that they seek out lakes, ponds, ditches and slow-moving water. 
  • Common toads are solitary creatures. 
  • They hibernate in late October. 
  • Only male toads croak.

Get over any squeamishness you may have about frogs and toads in general, welcome their presence in your garden and pretty soon you’ll be happy to be sharing your space with them because of the great job they do in protecting your plants from hungry pests.

More tips specifically on controlling aphids/greenfly can be found on my page here.  For general gardening tips and advice please go to my House/General index.

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Natural deterrent to aphids

FeverfewBattling with aphids (greenfly) in the garden?  Commercially available insecticides often contain a chemical called pyrethrum which is derived from nature.  Rather than buying bottles of commercially prepared and potentially hazardous chemicals, you can harness the power of nature in deterring greenfly just by some clever planting. 

Feverfew (Tanacetum parthenium) is a pretty daisy-like plant that contains pyrethrins – very similar to the chemicals in commercial sprays.  Plant Feverfew amongst your flowers and it’s presence will deter the little insect marauders. DaisyGolden feverfew is a pretty plant in its own right – as the name suggests its foliage is a yellow/golden colour – and all plants will readily self-seed all over the garden if you allow them to.  (This plant is also used as a traditional herbal remedy for migraine).

BeeWhilst it is possible to make your own insecticidal spray or powder from these plants I wouldn’t advise it as it is toxic to bees. In its plant form it seems to work well enough for me and does no harm to bees.  Some sources claim that it will deter bees from the garden, although I have never found this to be the case and have often seen bees visiting the feverfew flowers.  

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The Summer garden: colour and scent

PelargoniumWhen I moved to my current home I inherited a garden permanently planted with perennial plants that just grow and grow and need little care except for an occasional gentle pruning session. That’s wonderful, but it doesn’t allow me to ring the changes now and again through the use of Summer bedding plants.  These plants are mostly regarded and treated as annuals, intended really to last just one season (although some can and do last longer – some of them self-seeding all over your garden if you allow them to).  What I love about these Summer plants is that they quickly allow me to be creative with colour in the garden, giving it a different look and feel in much the same way as changing a few accessories in a room will give a fresh new look to a space. 

Just recently we created some new borders along the edges of our terrace and now that May has come around I’m really back in my element, practising my exterior design skills, picking colour combinations of bedding plants and planting them out in the borders.  This year I’ve gone for a combination of pink and white, with an occasional accent of very, very pale lemon yellow.  My reason for picking this pale colour palette was very specific.  Our terrace was Gardening toolsnewly created this Spring and I’m anticipating many evenings spent outside, either lingering over dinner or sitting and enjoying the evening over a glass of wine.  The colour white, or anything near white will reflect back what little light is still available so that the pale flowers outside will act as tiny beacons at dusk.  If you want to be a purist and just work with white alone this can look absolutely stunning, especially when combined with silvery leaved plants against a backdrop of deep greens.    If, on the other hand, you’re looking to create the warm atmosphere of a Mediterranean garden then choose flowering plants that fall in the red / pink/ orange range. 

Another aspect of the garden worth considering is scent.  Most Summer bedding plants don’t carry significant scent Alyssumbut there are some little superstars that I think are well worth including.  Top of the list for me would be the humble alyssum.  Its tiny flowers produce the most heavenly honey-sweet scent so it’s no surprise that I’ve included many of them in my Summer planting scheme.  

The choice of Summer bedding plants is vast and the fun is in working out your own colour combinations and planting scheme.  Go to your local plant nursery, see what is available and take advice from the staff there, always bearing in mind the ultimate height and spread of your chosen plants. 

Just for quick reference, here are a few of my favourite Summer bedding plants:

Geraniums, redPelargonium / Geranium – essentially one and the same plant but they do look distinctly different.    Pelargoniums, which are susceptible to frost, have beautiful frilly flowers and unusual ‘crinkle-cut’ leaves.  Geraniums are sold as both Summer bedding plants and border perennials (plants that flower and/or grow year after year).  Some varietes have pretty, variegated (multi-coloured) leaves.  Flower colours: white, pink, red and red/orange.   Scent: The flowers have no scent but the plant itself has a distinctive and pleasant smell that always reminds me of Summer. 

I like these plants because they tend to be very forgiving and don’t mind the heat.  You won’t find them wilting at the end of a long hot day and if you forget to water them one day they won’t sulk and wither.

MarigoldMarigold:  Once so common in our gardens but I read recently that they have so declined in popularity that some varietes may disappear entirely.  Maybe it’s the colour range that puts people off because they are typically coloured bright orange.  In fact other varieties are also available from red/orange in colour through to yellow and even white.  (The very pale lemon yellow highlights in my planting scheme this year are from marigolds).  Again, they’re fairly robust little plants and have the added advantage that a few flower petals can be used to brighten up Summer salads.  I have also read that their presence in the flower border may help to deter certain garden pests.  This may be something to do with the distinctive smell of the foliage, which is in some ways is similar to the geranium.  Either way, this is also a smell that I associate with long hot Summers.

Alyssum: Only growing to about 4 inches in height, they are best placed at the front of the border.  What they lack in height they more than make up for in scent.  ‘Alyssum’ in Greek means ‘against madness’ and though I can’t vouch for that (!) what I can tell you is that the scent of these tiny flowers always, always makes me feel happy.  I have traditional white alyssum in my plant border and in pots dotted all over the garden but you may find other varieties available in pale pink, through to biscuit coloured and lemon.  This as far as I’m concerned is a ‘must have’ in the garden.

Lobelia:  Another plant for the edges of flower borders, this is also very often used in hanging baskets where it forms a cascade of small blue or white flowers.  Very pretty – and better still, it attracts butterflies to the garden.

Begonia: There are many varieties of this lovely plant growing to all different sizes.  In tropical or sub tropical climates they will go on growing.  Here in the UK they are treated as Summer bedding plants and the type I’m specifically referring to here are the miniature variety and often used as useful space fillers in Summer borders and pots.  Coming in a variety of flower and leaf colours they grow to no more than about 8 inches in height, have an abundance of flowers with deep yellow centres and healthy, fleshy leaves that make them appear particularly lush.

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