Home Made Pest Control Solution(s)

I'm really not a big fan of pesticides or chemicals. Actually, that's putting it mildly...I hate pesticides. They are almost always used too liberally, and often used as a preventative measure rather than to get rid of a problem. But at the same time, I'm not a big fan of caterpillars shredding my fresh new cycad leaves, or aphids sucking the life out of my new buds or snails devouring my lettuce leaves before I get a chance.

So what do we do? Where is the middle ground? Am I supposed to console myself with the fact that I have well fed snails? What do I do while I wait for the birds to get off their feathered behinds and do their job eating the insects that I'm restraining myself from spraying? When do these natural ecosystems kick in?

Before we begin, its important that you ask yourself these very important questions!

The first step is to figure out whats behind the carnage or the ailing plant.

Plants are usually pretty good at fending the insects or diseases off themselves. A healthy, well looked after plant is not likely to be affected by insects or diseases. So firstly, make sure that your plant is getting the optimum combination of the 3 essentials - light-water-food.

Once you're sure you're not under or overwatering, or you know the plant is in the right place, and you've fed it with a good nutrient-rich compost then maybe its time to get off defence and plan your attack.

Health problems in plants can be divided into 2 categories - Pathogens that cause disease, and Parasites that eat the plants.

So, before reaching for the pesticide spray, take a look at these natural remedies for getting rid of pests and diseases. These are the most common problems that I have seen throughout the years, and the home made remedies that go a long way to getting rid of them:

Pest Problems:

Aphids

These are tiny green or light brown insects often clustered around new buds. They suck the sap out of the plants, and can spread plant viruses. Often the most obvious sign of aphids is an abundance of ants, and a black sooty mould on the leaves and ground. This ants are actually milking the aphids which secrete a sugary substance which is what forms the black mould. (Soap Spray, Garlic Chilli Spray and Horticultural Oil)

Caterpillars

Caterpillars vary in size and description, and love all kinds of soft leaves and juicy plants. They are often found hiding on the under sides of leaves. Evidence of their presence is usually their little black poos on leaves and around the base of plants (Garlic Chilli Spray and Horticultural Oil)

Mealy bugs

Mealy bugs are small cotton woolly insects that hide along stems and midribs, and similar to aphids, encourage ants with their sugary sap that they produce. Black sooty mould is often present. (Soap Spray, Garlic Chilli Spray and Horticultural Oil)

Red Spider Mite

These tiny almost microscopic little spiders are more easily spotted by their tiny cobwebs on the underside of yellowing leaves. They thrive in dry windless environments like indoors or sheltered spots near buildings. (Water, Wind, Soap Spray, Garlic Chilli Spray and Horticultural Oil)

Scale

Often look like tiny waxy bumps along the midrib of leaves or around soft stems of plants, they can be black, brown or white, and also encourage ants to feed off the sticky sugary substance that they produce. (Soap Spray, Garlic Chilli Spray and Horticultural Oil)

White fly

These are extremely tiny little "flies' that are actually more similar to aphids. They congregate in their thousands often on the underside of new leaves and fly away quickly when disturbed. It is best to do follow up sprays every 2-3 days. (Soap Spray, Garlic Chilli Spray and Horticultural Oil)

Snails and Slugs

Often found hiding in the cool undersides of leaves or rocks. You can often spot their silvery trails around the plant or soil beneath. (Beer, Grapefruit halves, Egg shells)

Pest Control Solutions:

Soap Spray – Dissolve 3 teaspoons of liquid soap or washing detergent in 2 cups of water into a spray bottle and use it to control aphids on roses, citrus and other plants. The soap removes the aphids waxy coating and dries them out. Also good for mealy bugs, ants and whiteflies. 

Garlic-chilli spray – Chop and boil 4 onions, 4 hot chillis and 2 garlic cloves in 2 litres of water for about 15 minutes. Let the liquid cool overnight, then strain into a jar and add 2 tablespoons of liquid soap. To spray, mix 10ml of your concentrate in 1 litre of water in a bottle and use to control aphids, caterpillars, whitefly, and other pests. 

Horticultural oil – Use 2 cups of vegetable oil and 1/2 cup of liquid soap. Shake together in a jar, where the mixture will turn a milky colour. Add 2 tablespoons of this concentrate to a litre of water and spray.  This controls most insect pests, including scale, aphids, white fly, leaf miner, mealy bug and mites.

Hollowed out orange or grapefruit halves placed upside down overnight - These attract snails and slugs inside them. These can then be collected from the garden and thrown away.

Glass of beer - Snails and slugs are a sucker for a good glass of beer, into which they crawl in and drown. At least they die happy?

Crushed-up egg shells spread around the base of plants deters snails and slugs. They are too sharp for the soft undersides of these creatures.

Other Home Remedies:

Baking Soda is great as a preventative measure against powdery mildew on plants. Mix 1 tablespoon of baking soda, 1/2 teaspoon of liquid soap and 3 litres of water. It can burn the leaves of some plants so water plants well before use and don’t apply in full sun. Try and get the under side of the leaves too.  In very humid conditions, Powdery Mildew can also be prevented by watering the soil rather than leaves.

Vinegar, or Boiling Hot water can be poured into paving to kill plants between bricks or pavers.

Milk Spray Fungicide – Also works best as a preventative measure or in the early stages. Mix 50ml milk into 450ml water and spray onto the leaves. Re-apply every time it rains. Not effective on badly affected plants.

The Problem is the Solution

Gardening is for old people.

That sounds like an absurd over-simplification, and besides, why should you care? What difference does it make if young people aren't interested in gardens and nature? We live in a hi-tech world, where all the worlds problems will be solved by computers, and where science will be our saviour.

A group of young people preparing a food garden at Summerhill Children's Home in Salt Rock

That's an attractive thought for today's youth, that live in an instant world with its resulting short-term thinking.

So how does digging in the dirt, or mixing manure compete in this internet age, and why should it?

In South Africa, the latest statistics show that 1 in every 4 people are unemployed.

Education stats are even scarier. Out of 100 children that start school, only 28 will pass matric, 4 will enter university and only 1 out of those 4 will graduate.
Of the staff that I have employed over the last 2 decades, I have noticed an alarming trend over the last 5 years, that school leavers seem to have completely unrealistic expectations. The common perception seems to be that it will be fairly easy to find a job, that job will be well paying, with very little effort or commitment involved. The difference between dreams and reality in South Africa are quite stark.

In the words of the wise Gogo "Qho" Mthethwa - young people don't want work they want jobs. As a country, we seem to be content to foster an attitude of dependence rather than an entrepreneurial mindset.

Realistically speaking, looking to technology to solve our problems, may well be fine in the long term, but we need solutions now. We need to feed people now. Science and technology alone can't give us that. So what can?

If you plant a food garden from seed, you can begin eating the food from your garden within a matter of weeks.
Growing food or plants doesn't need a huge injection of cash. Seeds can very often be harvested from existing crops, providing the next seasons crops for free.
Gardeners are almost to a fault, overly generous in offering their time, information or even seed/plants when they see enthusiasm and willingness to learn.
There are several amazing initiatives around the country with the sole aim of passing on the skills to grow food gardens in our particular climate.

I agree with guerilla gardener Ron Finley that as with many problems in life, the solution is inside the challenge.

With our ridiculously high unemployment rates, we have 1 out of every 4 people who have the capacity to tend a garden, which could if properly managed, feed themselves and even provide an income as they feed their community. As solutions go, its not sexy, and it may not have the mirage-like appeal that science and technology offers, but it is immediately attainable and realistic.

So how can YOU go about doing this? Here's some inspiration:

Ifu Lobuntu is an inspiring South African idea that is looking at ways to harness technology to connect small scale food growers directly with customers. By using simple cloud-based apps and economies of scale, they hope to make it possible for subsistence farmers to sell directly to the public. The idea is still in its formation stage, but hopefully it will grow into its full potential.

Ron Finley plants vegetable gardens in South Central LA — in abandoned lots, traffic medians, along the curbs. Why? For fun, for defiance, for beauty and to offer some alternative to fast food in a community where "the drive-thrus are killing more people than the drive-bys." Check out his Ted-Talk.

Who Wants My Back Garden?

Food gardening by individuals and communities in South Africa is quite commonplace. Driving through many built up areas - often near areas of umjondolos (the zulu word for informal housing), you will often see gardens of maize, pumpkin, tomatoes etc. being well looked after - and all this, mostly on the verge of highways and busy roads.

But despite the fact that food gardening in SA is thriving, its also quite looked down on - as being backward or rural - definitely not something to be aspiring to!

So its interesting to see that there is a move in the UK and USA to make use of unused land for food gardening. Allotment food growing in the UK is so popular that there are waiting lists to get to garden in the small spaces allocated. Just look out the window on any train ride around London, and you'll see a green streak of community and food gardens going by.

But this latest push to get people gardening, and growing their own food, is aimed at matching up people with space for gardening, and those who want to garden. On Landshare, a UK based website, you can register as a grower, a land-owner, land-spotter or a facilitator.

The idea is simple - if you have a backyard (or any area for that matter) that would be suitable for growing - you can register it on their site. Anyone who is keen to get growing themselves can register on the site themselves, and look for an area close to them where they can get their hands dirty.

I've been wondering, how we in South Africa can learn from this latest agrarian advance? There are a lot more things to consider in our environment. The most obvious being security. Quite honestly, I'm surprised that roadside farming can thrive in a society where petty crime is flourishing - I wonder how often people help themselves to the fruit or vegetables of someone else's labours?
Sharing Backyards - a North American Site has a helpful list of things to consider - from time, to water use, to privacy and security concerns. But I think if its carefully organised, its a concept that could be adapted really well to a South African situation. So who out there wants to organise it?

Another thought that comes to mind - which is possibly far more Utopian. Wouldn't it be amazing, to truly share backyards? Although not suited to everyone, and every situation, wouldn't our neighbourhoods be better off, if we took down the fences that separate us, and linked our gardens. This would encourage birds and other wildlife back into our gardens, and who knows, maybe we would see real community growing alongside our vegetables?

Behind The Scenes - Raised Culinary Garden

I've just finished a raised herb and vegetable garden for a garden care client with a beautiful predominantly indigenous garden. We've been discussing the options for this area for a while - she wanted an area that she could grow some herbs and veggies.
The area planned for the vegetable garden was an area that hasn't been very successful as an ordinary garden bed. Sweet potatoes seemed to flourish though, so it seemed like the right spot.
We would both liked to have used a willow weave edging for the raised beds, but couldn't find a supplier that had stock and would be priced reasonably. We settled on log edging, as this would have a great rustic, yet neat look to it.

We moved the existing plants into pots, or other areas of the garden. The uprights were cemented into the ground and then the logs were cut to length, and placed in position. We used Bidim to keep the soil from leaking through any gaps between the poles. We kept the large Melaleuca tree in the corner, as it does a great job of softening the high wall behind.

I'm quite happy with the final result. My client wasted no time populating it with tomatoes, lettuce, peppers, coriander, beans, sage, lemon grass and some sweet peas for colour. This was a relatively simple solution to a problem flower bed, that took just 2 days from start to finish.