Dr. Timothy Walker is a Botanist, Gardener and Lecturer. He read Botany at University College Oxford and upon graduation worked as a trainee at University Oxford Botanic Garden. He subsequently studied at Askham Bryan College York, did a traineeship at Savill Garden Windsor and completed a diploma at Royal Botanic Gardens Kew. In 1995 he [...]
Helen Picton is a specialist grower of autumn flowering asters.  The Picton family operates Old Court Nurseries and The Picton Garden in Herefordshire, England.  The nursery was established by Ernest Ballard, the first nurseryman to popularise autumn-flowering asters.  The Pictons hold the Plant Heritage National Plant Collection of autumn-flowering asters, with more than four hundred [...]