mattau, on 08 February 2012 - 08:54 AM, said:
I reckon the best way to help your garden from heatwaves is to try and putshade or shelter above the garden.
It also helps to put an automated watering system to ensure that the plants remain hydrated throughout the day
Be careful watering plants during the day.
You can scald or boil them.
Always make sure you run the hose out of hot water, before watering.
Early morning and/or later in the evening is best.
Roses or other hardy shrubs are best in the morning.
It is also better to water the soil around the roots rather than the leafy cover.
This is a more sustainable system in extreme heat or dry.
Leafy vegetables and herbs are very fragile, and very susceptible to heat stress, so you may need to shade them as mattau suggests.