White clover (Trifolium repens) A highly-productive perennial for high-rainfall areas or irrigated pastures, which grows vigorously during spring and and can facilitate considerable nitrogen fixation in dominant stands. Key features Common name: White clover Scientific name: Trifolium repens  Minimum average annual rainfall: Greater than 700mm Preferred soils: White clover is suited to a wide range of soils pH > 4.5; optimum 5.3. Tolerates … Continue reading White clover