Two colorful species are seen in the West, one an annual weed and the other an attractive perennial. Newer hybrids are becoming popular.
Annual. This low-growing, weedy plant from Europe has bright green leaves and 1/2-in., brick red flowers. Has naturalized in California. A. a. caerulea has deep blue, larger flowers; it tolerates most soils and heat, thrives in dry gardens, and grows well in containers.
The most widely grown irises fall into the bearded group. More than a century of breeding has produced...
An attractive weed of roadsides and grain fields, this Mediterranean species has naturalized in North ...
Lilac flowers in fall. Orange-red stigma is the true saffron of commerce. To harvest saffron, pluck st...