Perth is drying up
Sunday, April 24, 2022
When you do stuff, stuff gets done
Perth is drying up
Friday, April 1, 2022
Waiting for rain, and other Djeran activities
Djeran season at last sees a break in the really hot weather. A key indicator of the change of season is the cool nights that once again bring a dewy presence for us to discover in the early mornings.
The winds have also changed, especially in their intensity, with light breezes being the go and generally swinging from southerly directions (i.e. south east to south west). Many flying ants can be seen cruising around in the light winds.
Djeran is a time of red flowers especially from the Red Flowering Gum (Corimbia ficifolia), as well as the smaller and more petite flowers of the Summer Flame (Beaufortia aestiva). As you travel around the Perth area, you may also notice the red 'rust' and seed cones forming on the male and female Sheoaks (Allocasuarina fraseriana). Banksias start to display their flowers, ensuring that there are nectar food sources for the many small mammals and birds that rely upon them. Source: http://www.bom.gov.au/iwk/nyoongar/djeran.shtml
Eagerly we are watching the skies, the weather charts, the plants in the garden. There have been a couple of very short showers of rain, and the temperatures are gradually cooling down to the low 30C. Is the summer over? Can we start planting autumn crops? Can the garden recover from the heat?
A week or so ago I took down one shade sail, on the western side of the house. We have a large bottlebrush tree there, and the bed is planted with cumquat, sweet potato, fennel, basil.When the garden did not die from the heat (!) I took the rest of the shade sails down too. I rather too hopefully planted some rainbow chard and 12 garlic cloves, but it may be a bit early yet.
The garden has survived the summer, but it was not as productive as I hoped, and I don't really know why. I planted some zucchini but had only one fruit, even though there were plenty of flowers. The passionfruit has had lots of flowers, but no fruit set either. The pumpkin that self seeded has only one fruit on it. The dwarf beans I planted came to nothing. I wonder about the pollinators -was it too hot for the bees? There are some bee attracting flowers in my garden all the time -I have alyssum, which bees love, and nasturtiums, and parsley, and basil, but it has been some time since I saw the bees out in force.
Gardening, no matter how long you have been doing it, is an exercise in observation and patience. If I was actually relying on the garden to feed us, there would be times when we had a 'hungry gap'. Nevertheless, we are now harvesting limes, pomegranates, fennel and mint. DH found an olive tree on the street near our home, with small black olives, and harvested 3 jars for a quick batch. Our kalamata olives are very green still.
If the rains come, I hope the parsley will come back again - I miss it!
Recommended Book

Friday, March 4, 2022
I have a new project -helping at the children's community centre playground!
Here are some recommendations for you
I read and enjoyed this book by Fritjof Capra
"Forget everything you thought a garden was. And everything you thought a gardener was supposed to do. Your job in the Planthroposcene is to stage plant/people conspiracies to keep this planet liveable and breathable. Your primary commitment will be to support plant growth".
Friday, February 18, 2022
It's working! What we chose to cool our house
What is that new thing on the roof? Just to the left of the solar panels is our new evaporative air conditioner, installed 2 days ago in the middle of a Perth run of hot weather, with maximum temperatures running over 34C for more than a week now.
This post is about our decision to choose the evaporative air conditioning, after deciding that the passive heating and cooling measures we had taken already in retrofitting our house, needed amendment for the changing climate. See our post about it here
I am not sure that everyone understands evaporative air conditioning and how it works. An evaporative air conditioner uses the natural cooling properties of water to lower the temperature of a room through evaporation. A ducted cooling unit is installed on the roof and connected to a series of outlets throughout the home that draws in fresh air from outside.
The hot air passes through filter pads located inside the roof unit which cools the air and then distributes it through the vents inside your house. With an evaporative air conditioner, the entire volume of air within the house is refreshed every few minutes.
Evaporative air conditioners work best in Perth on days when the air is hot and dry. So essentially, the hotter the air, the better the cooling effect will be. We have LOTS of these.
Benefits include the use of fresh air to cool the home, and the ability to have the windows open! It is low in energy use compared to refrigerated air conditioning. We have noticed that because it operates with open windows, the patio outside our kitchen is also feeling the benefits of the cool air. This would not happen with refrigerated air conditioners, which rely on keeping windows closed.
Of course, if the weather is humid, the evaporative air conditioning does not provide much assistance. Compared to the east coast of Australia, where they have summer rain, Perth does has a mediterranean type climate with a summer drought, so evaporative air conditioning has more application. In fact, we estimate about one third of the houses in our suburb have evaporative air conditioners visible on their roof.
When the water has been used for cooling, it runs down a pipe to this bin which is on the side of our house away from the entrance, and from there we run it over to our struggling lemon tree. I am hoping the extra water will cheer it up!
Comparing the cost of a whole of house evaporative air conditioner and a whole of house heat pump type air conditioner, the evaporative is much cheaper. We could have chosen a split system to cool the bedrooms -because being too hot overnight is a really difficult thing, if you want to sleep- or the whole of house evaporative airconditioner. We choose the option which would give more comfort for us wherever we were, for the amount of money we could afford at this time.
What will we do if it is humid, and evaporative airconditioning is not an option? The system can be operated without the water, as a fan, but I reckon we would rever to the way we did things before -closing the house during the cool of the morning, using our ceiling fans, and waiting for cooler temperatures overnight. We still will have had many more comfortable days than we did before.
There is still the option for a heat pump -especially a split system for the bedrooms -at some later date, if we so choose.
How has it been so far? It has made an astonishing difference. It feels cool in here, and we have more energy for living life. I am even happy to turn on the oven and cook in the middle of the day!
Saturday, January 22, 2022
What I learned in a heat wave
1.. Most of the garden has survived on it's regular watering, but you get some emergencies. There is one chilli plant in full sun which got very shrivelled, but a couple of days or watering has brought it back. Please note -chilli won't germinate unless it is over 30C, and it generally looks fabulous in hot weather, but this is weather is extreme. Roses are pretty cheery too, even if the flower crisps and dries in one day. The grapes are fine with the hot weather. I have been giving the eureka lemon some extra water because it really was stressed. Don't know if it is going to pull through.
We are still harvesting blueberries, and some eggplants, and herbs, grapes and rhubarb.
The little pond in the wine barrel, tucked in shade under the patio, still loses a lot of water through evaporation! I am topping it up every 2 days.
WORMS - I nearly lost all of the worm farm, but read about a technique of putting bottles of frozen water in the farm to cool things down and so far they are still alive. I also throw a wet hessian coffee sack over them to try to keep them cool.
We have had tiny ants trying to get in the house -and anywhere else they might find moisture and coolness. It takes a bit extra diligence to make sure there are no places they can make ingress.
The local birds are heat stressed! We have a lot of water bowls out for them, and in this weather we need to refresh them in the middle of the day. Birds I don't normally see are now coming into the garden for water. These big trees to the west of us, in the Council owned walkway, are wonderful! In the late afternoon, from about 4:30pm, they cast a shade over the house and bring the temperature down immediately. Mature trees and green spaces help to cool communities by as much as 10 degrees and the shade they provide cools our homes and streets.
Our older cat is not really interested in eating much at the moment. I guess I understand that! She is sleeping in the coolest place she can find.
2. We probably will need a RCAC or some other kind of air conditioning soon. Up till now, with Perth's usual pattern of just a day or two of extreme heat before a cool change, the passive cooling strategies we have taken have kept us pretty comfortable. In a week of hot weather, however, the house just heats up, and it doesn't get cool if the overnight temperature doesn't drop very much. We have shade sails, we have a grape pergola on the north side, we have extra insulation, we have thermal curtains. We operate this house like a yacht- we open to the breeze, we close against the heat, but it isn't enough.
This may in fact be the new normal for Perth- climate change is making every extreme 'more extreme'. Cold is colder, hotter is hotter and for longer. Drought goes on and on, or rain brings floods.
Of course the very worst time to try to buy airconditioning is during a heat wave! There are no stocks in the shops, due to transport problems due to COVID, and the installers are flat out. We are thinking of installing a split system to service just our bedroom and our daughter's bedroom, as it is the heat overnight which is really debilitiating. If we can do that, then a "swampy" - an evaporative air conditioner- would be something we would add to the rest of the house at a later date. I am swinging wildly in opinions about the best options here, and continue to do research. I need some quotes for installing systems which will work here before I decide.
I found some good stories here, that you may wish to check out
Self seeding plants -they come up by themselves!
A lovely story of permaculture in indigenous communities in our North West of WA Here
Monday, December 20, 2021
Mid summer Christmas
We had a Christmas choir performance in a local church. I took the pictures because I had lost my voice for a few days, but it was really lovely.
Anyway, I guess we will find out in Febrary. In the meantime, I hope you all have a lovely Christmas wherever you are.
Here are a few things I found which you might enjoy.
Christmas in Australia -the video of a Paul Kelly song which is a favourite at Christmas
Making it better with volunteers
How Nottingham is cutting carbon
Wednesday, December 1, 2021
Birak -it is early summer

As for the animals, there are many fledglings now venturing out of nests, though some are still staying close to their parents. Our family of magpies have succesfully got their fledglings out of the nest, but still come to us for snacks and a drink almost every day.


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