Help! If planting marigolds (Tagetes spp.) in Australia to deter grasshoppers helps these pests to breed, why do well known authors and garden clubs pass on misinformation? Are marigolds useful for anything other than ornament? How do I control the grasshoppers plaguing my garden? asks Vivienne in Queensland.
In my subtropical food garden, grasshopper control starts in my sweetpotato. Caterpillar damage usually occurs in bursts following good rain, and attack can occur at any time of the year.
Help! The fruit on my lemon are distorted and covered in ugly warts. What’s gone wrong? Can my tree be saved? Is there an organic remedy? Answer: An infectious fungal disease called lemon scab is responsible. And yes, this infection can be defeated organically and in more than one way.
Pandan (Pandanus amarylliifolius) has long been a staple in tropical food gardens in South and South East Asia. Its leaves impart a unique aroma and flavour to drinks, rice, cakes and desserts. As with all garden produce, the quality of freshly picked pandan surpasses that of the dried or the frozen equivalent. Fortunately, pandan is easy to grow in a subtropical or tropical climate, they make an attractive display, it is an easy plant to propagate and maintain in a kitchen garden.
“Salsa verde, chilled and freshly made from home grown tomatillos (Physalis philadelphica), is great on a hot day. An excuse for not cooking on (another) one of those sticky subtropical summer days”.
“I planted Aloe vera so I can use its juice to soothe sunburn. It grows effortlessly in my nature strip. People also use it to relieve the itching caused by eczema. I also enjoy cooked Aloe vera as a dessert.”
Question: A Brisbane landscape supplier sold me soil for my raised vegetable beds. All my vegetables keep failing. I did a soil pH Test and the result was pH 9. Is there any hope I’ll be able to grow spring crops successfully?
Thuan’s market garden: 1,500 sq m of alluvial, sandy loam in a flood plain of the Perfume River catchment, Hue, Vietnam. Fruit, vegetables, herbs, spices, flowers, poultry – and incense – in a prolifically productive, wet, inland subtropical climate.
Here’s my subtropical food garden’s current autumn menu. Plants marked with an asterisk are volunteers, that is they are self-sown. Currently I have 38 different volunteer crops.
“Truly alien creatures…are all around us” Professor Christopher Reid, University of Sydney At dawn you could mistake them for vomited curry, something people find disturbing. They surface during the night, forming moist, sulphur-yellow pools and then tiny stalagmites emerge from them, forming miniature landscapes. As the sizzling Brisbane sun rises their colour quickly fades to…
“Young Australians need to be educated about what a Bunya tree looks like, what the sound of snapping cones and breaking branches sound like, and to avoid lingering underneath them in high summer. When I was at primary school, we had a Bunya in the schoolyard. We knew what to do, how to harvest them, and no one was ever hurt.”
After gardening in the heat and humidity of a Brisbane summer’s day, I find Turmeric Tea (Curcuma longa) most refreshing, especially if chilled and served with fresh, finely chopped mint leaves or lemongrass stems. An Indonesian friend, Hakim, introduced me to Turmeric Tea in 2010, saying “Drinking turmeric daily reduces body odour, helps keep you healthy and…