Holder of the British national Aster collection and the third generation of her family to run a nursery, few are as well placed to talk about the number one late summer/autumn perennial genus. She focuses on the current taste for natural-looking and robust plants, with lively descriptions of what she things are the most outstanding species and varieties. And she enlightens us about the recent name changes too.
$15 – or equivalent at current exchange rate (£10-£11 UK, €12-€13) plus sales tax if charged. Members get 50% off with their discount code.