Lilac TreeLilac Tree Syringa There are few scents in the garden more distinctive than lilac in full bloom. For a few weeks in late spring, the dense clusters of purple flowers produce a fragrance that's genuinely hard to replicate. It's the kind of thing people remember from their grandparents' gardens, and for good reason. Fully hardy across the UK, lilac is a tough, unfussy plant once established. It tolerates most soils, does well in sun, and rewards very