How to Control Garden Pest Insects Naturally

Do you panic when you see an insect you don’t recognise in your garden? Do you assume it’s a pest causing damage? If so, it may help to understand WHY insects attack plants. I also share a toolbox of natural and organic strategies to help prevent and control the damage.

How to Control Garden Pest Insects Naturally - why they attack plants + organic and natural strategies to prevent and control damage

Firstly, a reality check! Don’t expect a pest-free garden. Even the healthiest gardens still get pest insect visitors. It’s more important to focus on creating a healthy balanced ecosystem. Aim for a productive harvest rather than a zero-tolerance policy!

There will be more beneficial predatory insects and pest controllers in residence with the right elements in place, than those causing damage. You need both – in balance.

If your garden is new, has few flowering species or has poor quality soil, it may be a different story. If you have a horde of herbivores eating your plants, don’t give up! Give it a little time and nature will restore the natural equilibrium. Read on to learn how.

Let’s colour in the picture so you know why the pest insects are there and what to do about it.

How do Pest Insects Damage Plants?

Some insects suck the sap out of plants or chew leaves, while others bore into the roots, seeds or stems. You can tell if you have some unwanted visitors in your garden by the visual damage. You won’t see underground pest insects. However, you WILL be able to observe the evidence they’re in residence by the appearance of your plant aboveground.

Why do some Plants Attract Pest Insects?

Pest insects target plants that are minerally deficient. They are indicators of an imbalance. Weak malnourished plants are magnets for herbivorous insects. They are a CLUE you need to change something.

Pest insects often target nutrient-deficient plants

Pest insects often target nutrient-deficient plants

Professor Philip Callahan, the author of Tuning into Nature, observed that insect antennae enable them to sense a variety of environmental signals. He also found that plants emit infrared radiation (not visible to us). What’s really interesting is these signals vary depending on the nutrient levels inside the plant. He notes “A sick plant actually sends forth a beacon, carried in the infrared, attracting insects. It is then the insect’s role to dispose of this plant deemed unfit for life by nature.”

Survival of the Fittest

So, ‘pest’ insects are actually Nature’s ‘garbage collectors’. Their role is to remove ‘rubbish plants’ and help strong healthy plants survive! They leave plants with optimum nutrition levels alone. What can you learn from this? Grow nutrient-dense food and insect pests won’t bother your plants.

If you have a lot of pest insect problems in your garden, look at your soil health as a first step. Then, cultural practices like watering, feeding and position. It’s far easier to implement preventative strategies than deal with a big outbreak.

Pest insects select plants with a nutritional imbalance of one or more nutrients. They don’t have the pancreatic enzymes necessary to digest complex carbohydrates in healthy plants. Untouched plants are a clue you are meeting their needs. (more…)

Gardening Tips for October

Connecting with nature is healing on so many levels. I hope you’ve been spending time in your garden – big or small. The past few weeks I’ve been busy filming for a project and helping clients set up new gardens on balconies, rooftops, front and backyards, Zooming all over the world! I love every minute of this work. Growing food and medicinal plants is one of the most empowering things we can do to take care of our physical and mental health, especially in uncertain times. Food security has never been more important. I’ve also been designing my urban garden to maximise space vertically and growing lots of food in containers, attracting beneficial insects and improving the soil. In this newsletter, I’m sharing practical resources to help you learn more about container gardening and how to manage a common pest insect – the fungus gnat + gardening tips for this month. So let’s dig right in!

Gardening Tips for October | The Micro Gardener


Why do potted plants die?

As container gardeners, our plants are dependent on us for survival. Their roots can’t just reach out and find the moisture and nutrients they need outside their pot ‘home’! The most common reasons for killing potted plants are:

  • Overwatering them. They drown due to waterlogged roots and lack of air spaces in poorly drained mix.
  • Underwatering them. They don’t have sufficient moisture to rehydrate and take up soluble nutrients.
  • Not feeding them by meeting their nutritional needs, so they ‘starve’ due to an empty ‘soil pantry’.
  • Using a poor quality potting mix or garden soil. Potting mixes tend to dry out, become hydrophobic and repel moisture quickly. Garden soil often compacts, doesn’t drain well and may contain plant pathogens.
  • Not repotting them when they outgrow their home. Roots become ‘pot bound’ if not upgraded to a bigger pot.
  • Putting them in the wrong spot – too hot, cold, frosty, windy, shady or sunny for their particular needs.
  • Neglecting them altogether. Bad plant ‘parenting’!

So how do you avoid these problems and save your plants?


7 Tips to Avoid Killing your Container Plants

If you’ve accidentally murdered one of your plants or turned it into a ‘dried arrangement’, don’t feel too guilty! Compost it and reuse your potting mix to start again. These are some simple tips to avoid future potted plant casualties.

7 Tips to Avoid Killing your Container Plants

  1. Start with a good quality potting mix that has excellent structure, holds moisture and nutrients and drains well. Even better, make your own potting mix for more control than a commercial mix or amend a bagged mix. This is my recipe.
  2. Choose your pot wisely. If you live in a hot climate, terracotta pots may not be the best choice as they dry out quickly. Do your homework and compare different materials and options.
  3. Water consistently and appropriately. It can be tricky to know how often to water. Some plants need more moisture than others. Large-leafed plants, fruiting and flowering crops, and thirsty herbs like mint typically have greater water needs than small-leafed herbs, succulents and perennials. Large pots in the shade won’t need watering as often as small containers in a sunny or windy position. Avoid waterlogging by leaving the plant sitting in water.
  4. Treat houseplants differently. Indoor plants have lower light levels so they use water comparatively slowly. They need to dry out a little between waterings (but not bone dry). Learn to ‘read’ your plant’s clues before the whole plant turns brown and crispy! I only water my houseplants every 10 days or so when a particular Spathiphyllum, Mr Droopy lets me know it’s seaweed spa day! They all go into a deep bucket for a refreshing deep drink, drain and hose down.
  5. Keep a garden journal if you’re busy or forgetful. I’ve found this really helpful for keeping a record of which plants need more or less moisture and general observations. A watering routine before/after work or a set time may help.
  6. Repot when needed. If you notice roots extending out the base of the pot, it’s time to transplant into a bigger one.
  7. Maintain plant nutrition. If you’re initially potting up a plant, add the nutrients to your potting mix. Liquid feeds are really useful to apply trace elements. A seasonal application of compost, worm castings, slow-release minerals and mulch will keep your plants healthy and happy.

Dig into more Container Gardening Tips.

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Why are Ants in my Plants, Pots and Soil?

Do you ever see ants running up the stems or along branches and leaves? What about your pot plants? Do you notice them in your potting mix? Or in your lawn making little mounds that blunt your mower blades?

Why are Ants in my Plants, Pots and Soil?

Perhaps you’re wondering WHY they are there and WHAT they are doing? Are they causing damage or are they just annoying? If you want to know the answers and how to get rid of them naturally, read on.

Why are Ants in my Plants, Pots and Soil?

The answer is simple. Ants are extremely smart insects and ALWAYS have a good motive for inhabiting your plants, pots or soil. The two most likely reasons are for:

  1. Food
  2. Shelter

Seems reasonable enough, doesn’t it? We all need a roof over our heads and something to eat! Believe me, ants won’t expend energy doing anything unless there’s something in it for them.

If you see little black ants ON your plants, it’s likely because they have found a source of food. Ants are often a clue you have a bigger problem. Don’t shoot the messenger!  They are just the ‘couriers’ delivering you a message. They’ll take you straight to it. By being more observant, you’ll understand what they’re doing and why. Assuming they are harming your plant may be a BIG mistake because you only have part of the picture!

Most likely, if you look closely and follow their trail like a good detective, you’ll find it ends in sap-sucking insects like aphids, scale, mites, whiteflies or mealybugs. These pest insects are what you should be really looking for! Ants are your ‘tour guides’ and can detect the presence of these pests with their antennae. Smart hey?

So, instead of treating them as the enemy to be killed, learn to value their presence. Why? Because they have alerted you to the problem you really need to deal with! Micro gardening is about looking at details; learning to understand who, what, where and why things happen and ‘joining the dots.’

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October 2018 Newsletter

October 2018 Newsletter | The Micro Gardener

Welcome to the October newsletter. It’s been a busy few weeks but I have some interesting tips for you to tuck into.

What’s on the menu?

In this newsletter, I tackle a common pest insect enemy – the fruit fly and share strategies for preventing and controlling the damage. If you’ve ever cut open fruit and found it spoiled by larvae inside, it could be this offender. If you are plagued by tiny sap sucking aphids, then you’ll enjoy learning about Hoverflies. These beneficial predators dine out on these pesky insects. Discover how to attract them to your garden. I also share nine clues that may indicate you have problem soil and explain the fascinating reason why flowers make nectar. Dig in!

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Organic Aphid Control with Hoverflies

Controlling aphids organically is much easier if you encourage natural predators like hoverflies to take up residence in your garden. One natural pest management strategy for organic aphid control is to make your garden attractive to predatory insects. These can help keep aphid numbers and other sap suckers in balance – no chemicals needed.

Organic Aphid Control with Hoverflies

 

The Hoverfly or Syrphid Fly (Diptera)

Also known as Flower Flies, hoverflies are members of the Syrphidae insect family. As their name suggests, adults often ‘hover’ like mini helicopters over nectar and pollen-rich flowers.

They lay their eggs near or in the middle of aphid colonies so when their babies hatch, dinner is served! Hoverfly larvae not only eat aphids but also soft bodied sap suckers like scale, mites, thrips and some small caterpillars. They are valuable predator insects to have in your garden as part of your organic pest management strategy. (more…)

Organic Fruit Fly Control Strategies

Fruit flies are one of the most destructive pest insects in home gardens and attack a wide range of fruit trees and fruiting crops. Many gardeners find they are the number one enemy they battle every year.

This pest insect is most active from spring through autumn and species vary in different locations. For vulnerable fruit, you need to be prepared to be vigilant and have controls in place at the right time. You really have to know your enemy to tackle it!

If you’ve experienced damage to your harvest, it can be disheartening to even try to grow your favourite fruit crop. What if managing this pest insect is all too difficult?

Organic Fruit Fly Control Strategies

If you don’t want to deal with fruit fly damage in your garden, you still have options:

1. Remove any host plants that are prone to attack.

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November 2017 Newsletter

Organic Gardening Tips for an Abundant Harvest

November 2017 Newsletter | The Micro Gardener

Welcome to the November Newsletter. There are lots of quick tips to get you thinking about the food you eat and grow, to help your health and wellbeing.

This month, I’m sharing another quick ‘How To’ video in my Sow Simple series of free tutorials to help you grow and use food wisely in just minutes. Dig in and help others by sharing these tips!

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New Season Garden Planting Tips

Have you ever experienced unhealthy plants? A poor harvest … or worse, no harvest at all? This may be due to a lack of preparation. Before planting, is the ideal time to prepare and reinvigorate your soil to avoid disappointment. 

New Season Garden Planting Tips

Creating healthy soil is one of the key factors to focus on before you begin planting. It’s unlikely plants will grow well in ‘dead dirt’!

“Organic matter, nutrients, moisture and an active microbe population are important elements to add to your soil.” – Anne Gibson

So let’s take a look at some tips and simple ways to prepare your garden for planting and using your space wisely.

Garden Planting Tips

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Design Tips for a Productive Kitchen Garden

Do you ever feel frustrated when pest insects damage your plants? Wish your kitchen garden was more productive? You’re not alone! Even the healthiest gardens struggle with a few ‘unwelcome visitors’ at times.

Design Tips for a Productive Kitchen Garden

 

If you have limited space for your food garden, then losing precious crops, can be even more disheartening.

The good news is there are design strategies you can use to:

  1. Maximise your space;
  2. Minimise pest insects;
  3. Enhance the beauty; and
  4. Even improve some of your harvests.

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Imitate Nature for Higher Yields & Less Pests

Get Hundreds of Free Workers AND an Abundant Harvest!

Want less pests in your garden? To help achieve a balance between pests and predators, I’ve found that imitating natural ecosystems can be a useful pest management strategy to use.

 

Imitate Nature for Higher Yields and Less Pests

Facilitating natural predator-pest relationships in your garden is a way to harness hundreds of free workers to help manage insect imbalances. An example is the ‘aphid banquet’ on the menu for this ladybird’s lunch!

How to Work with and Imitate Nature

Whilst ‘having a relationship’ with birds, lizards, frogs and insects may not be on your To Do List, seeking a ‘win-win’ outcome by working with these creatures in your garden can help you:

  1. Achieve a higher crop yield (by encouraging more Pollinators); and
  2. Minimise insect damage to your edibles (by creating an unwritten ‘Workplace Agreement’ of sorts with Pest Predators – one that offers the kind of job perks that are an incentive for them to get to work in your garden)!

I’ve learned the benefits of ’employing’ hundreds of workers in my garden. Even though I don’t know them all by name, they still turn up regularly for work, never ask for a raise, are reliable in undertaking their jobs and save me hours of hard labour. In this article, I’ll share with you what my end of the agreement entails and how you can negotiate a similar arrangement at your place.

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