Thursday 13 March 2014

Talking Dirty

Last week on Trevallan Lifestyle Centre's Facebook page I posed the question "what gardening terms do you use that people think you've made up, don't understand or have a little giggle at your expense?"

There were some great examples given and I thought I'd enlighten you all with some gardening terms that I find I use and  people think I have started to talk in my own special language.

Deciduous
Deciduous, pronounced dih-sij-oo-uhs, is the term I am most often asked to explain. Deciduous means "falling off at maturity" or "tending to fall off", and it is typically used when talking about plants that lose their leaves seasonally. Many plants especially in cooler regions drop their leaves in autumn, have a dormant period through the winter and then come alive again in the spring. In some subtropical and arid regions plants lose their leaves during the dry season and have a dormant period until the wet season begins.

Active Constituent
Active constituents are the substance/s in an agvet (agricultural and veterinary) chemical product primarily responsible for a product's biological or other effects.
For example Glyphosate is the active constituent in most weed killers. In horticulture, companies register products with different trade names but you will often find the active constituent is the same. Trade names such as Yates Zero, Searles Dead Weed, Brunnings Weedkill all contain the same active constituent - glyphosate. When dealing with chemicals in gardening know your active constituents and you'll never have to rely on trade names again.

This next one can cause a few giggles - Bisexuality and plants
A Bisexual flower or perfect flower is when flower has both the essential whorls i.e., androecium and gynoecium (male and female reproductive units). Some examples are Lilies, Roses, Sweet Peas.

When it comes to fruit and vegetables we generally use the term bisexual plant. So the plant has male and female flowers on it. You do not need two separate plants. For example a pumpkin will usually produce both male and female flowers and then hopefully insects pollinate the females and your pumpkins grow big and strong.

Self-watering pots
Now unless you have gnomes in your garden doing all your dirty work there is no such thing as a self-watering pot. When you buy a self-watering pot you still have to water.

In a self-watering pot you have a very large saucer or water well and the soil is held above the water well with a false bottom. The water well and the soil are usually connected by a wick of some sort.

As water is used by the plant, capillary action draws more water up from below, exactly as much as is needed and no more. The soil has just the right amount of water all the time, but also maintains air pockets, which the plant roots also need. This is great for plants that don't like over watered as you just fill the bottom chamber.

While self-watering pots are great I find they only really work once the plant has an established root ball.

This weekend talk dirty with someone and show off your new gardening knowledge.

Brighten your Garden with Oranges, Yellows and Pinks.

Ixoras.

This is an I love it or I hate it plant.

My mum loves them. I must admit I verge on the opposing side. Why on earth would I write about them if they are on my not so favourite list?

Well as with many things these plants have grown on me over the years and as with many plants there seems to be a time and a place for them.

Ixoras are native to the tropical and subtropical areas throughout the world, with many of them in Tropical Asia. These plants typically can't handle frosts so if you are in a frost prone area these may not be for you. Some Ixoras are more prone to being cold affected while others can handle a little bit of cold.

Ixoras have dark green leathery leaves and produce large clusters of tiny flowers in the summer and autumn. The more common Ixoras usually have orange, gold, pink or red flowers. Ixoras prefer acidic soil and usually like a little shelter from our blazing summer sun. In saying that I have seen many gorgeous Ixoras growing in full sun and full shade.  They don't mind being in pots or the ground.

I find the four most popular Ixoras are 'Prince of Orange', 'Pink Malay', dwarf orange and dwarf gold. Ixora williamsii is also popular as it has red flowers but it really dislikes the cold so is not commonly grown in Ipswich.

Prince of Orange has fiery orange flowers and can grow around two meters tall. The dwarf orange and yellow grow to around 1/2 metre. These look amazing in pots but I have seen them in gardens  trimmed into a hedge and they look stunning when in flower. You can hardly see their green leaves.

My favourite Ixora is Pink Malay. Why do I love it? Not just because it gets covered in pink flowers but because it is so hardy. This Ixora is absolutely amazing; growing to around a metre it can handle full sun and shade. It can grow in pots or the garden and I have seen it successfully growing in a shopping centre car park. Yes that's right, a shopping centre car park. A place that has no good soil, no mulch, no care, only rain fall and it looks glorious. This is why I love this plant.

Ixoras like all my plants get fertilised with Organic Link and Triple Boost. I use Searles' Peat 80 potting mix for pots and Searles' garden soil for gardens.

There is a grub that likes to destroy your Ixora flower heads. There are a few ways to combat this - You can mix neem oil in with your fortnightly Triple Boost or I sometimes use Searles' Bug Beater. Eco-oil would also work. Sooty mould can also form on the leaves. This can be caused by scale and ants. Give your plant a really good soil drench and use a soil wetter if necessary. Fertilise and spray with Eco-oil. In a fortnight or so you should be able to hose off the soot and hopefully the ants would have dissipated.

This autumn brighten up your dull spots with shades of orange, yellow and pink.

Saturday 1 March 2014

The Dirty Dozen

I'm getting a little gardening bored. It's still too early to be planting my winter vegetables and my vegetable patch is cleaned, composted, mulched and waiting. My few gardens are fertilised, trimmed and waiting for cooler weather to start planting out more. My lawns are fertilised, soil wetted and weed killed - just waiting on rain to green them up. 

So what does one do when garden bored - they start dreaming big. I think I have about 40 seed packets of the things I'd like to grow this winter. 

So I may have gotten a little over excited. So how do I narrow it down? 

Lucky for me I came across an interesting article on the extremely high amounts of pesticide residue on frozen berries. The interesting thing was most of the residue of pesticides banned in Australia. This happens because most frozen berry companies get their berries from a variety of overseas sources. 

The old mind clogs started turning over and after a bit more research I discovered the 'Dirty Dozen' and the 'Clean Fifteen'.

These are two lists released by the Environmental Working Group (EWG) each year.

 The Dirty Dozen, a list of the fruits and vegetables likely to contain the highest amounts of pesticide residue. The Clean 15 is a list of fruits and vegetables least likely to contain pesticides.

The EWG take into account how people typically wash and prepare produce - for example, apples were washed and bananas peeled before testing.

The “Dirty Dozen” for 2013 were (number one being the most highest in pesticide residue)

1. Apples
2. Strawberries
3. Grapes
4. Celery
5. Peaches
6. Spinach
7. Sweet bell peppers
8. Nectarines
9. Cucumbers
10. Potatoes
11. Cherry tomatoes
12. Hot peppers

The EWG also added kale/collard greens and summer squash as a plus last year as they may contain organophosphate insecticides, which EWG characterizes as "highly toxic" and of special concern. 

Did you know that all of these you can grow at home in pots or gardens?

Armed with this information planning my winter vegetable patch has become a little easier.  Apart from cucumbers all of the 'Dirty Dozen' can be grown at home this winter.  Cucumbers prefer warmer weather. 

I honestly don't know why cherry tomatoes are on the list. I have no idea why anyone would need to spray these. If anyone has ever grown cherry tomatoes you would know how easy these plants are and how unsusceptible they are to disease and insects. 

I have also potted a raspberry, a fig and a dwarf peach just for fun too. 

I know you are all wondering what the 'Clean fifteen' are. So here it is

1. Asparagus
2. Avocados
3. Cabbage
4. Cantaloupe
5. Sweet corn
6. Eggplant
7. Grapefruit
8. Kiwi
9. Mangoes
10. Mushrooms
11. Onions
12. Papayas
13. Pineapples
14. Sweet peas (frozen) 
15. Sweet potatoes

Don't get gardening bored, plan big and include the 'Dirty Dozen' in your backyard. 

 
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