Iris tectorum Slippery Slope Bommeria Vernonia angustifolia

Vernonia angustifolia

the 2' wide clumps are topped with scapes of light lavender flowers

Baptisia 'Royal Candles' is a 2015 Plant Delights Nursery introduction that's unlike any baptisia introduction we've seen

but without the extra central layer of petals

Iris tectorum Slippery Slope Bommeria Vernonia angustifoliaIris tectorum 'Slippery Slope' is an amazingly vigorous roof iris introduced by Darrell Probst, which he found in Sichuan, China. For us, Iris tectorum 'Slippery Slope' forms the largest clump of any Iris tectorum we've seen, forming a 30" wide, tight clustering clump in 3 years topped, starting in late April, with 2' tall spikes terminating in lovely blue purple, six petalled flowers. The three falls (horizontal to pendent) petals are adorned with a