The cover on the bucket has 2 holes in it so it can catch water from rain or condensation once a sapling or seeds are planted in it. There is a wick that drips enough water onto the plant to allow it to survive in this micro-climate while it grows tap-roots deep enough to find moisture. It will also last for about 10 years so can be used at least 10 times to establish a new tree. They’ve been extensively tested over the past few years.
Spring fever? 2010’s Tree of the Year is the Fever Tree (Acacia Xanthophloea). It grows near stagnant water where malaria mosquitoes breed – hence the name. Fever trees occur in low-lying swampy areas, margins of lakes and pans and along river banks. They attract a lot of bird species which make their nests in them, especially weavers. Fever trees grow at a phenomenal rate making it a favourite choice. Due to the invasive root system it should not be planted near buildings or paving.”