Mesquite can send these down 60 feet to reach moisture
[DOC] [TLE] Featured Plants at Allerton Garden - National Tropical Botanical ... [PAR] If you live near one of our gardens, make a date to see these plants first hand by 
... Mango trees grow well in hot, dry conditions and can reach 100 feet in height 
.... temperatures (below 60F), but thrive in true tropical conditions, growing well in 
... seeds can germinate on sand and will send down deep roots to reach water.