A perennial, reaching a maximum size of 10 x 4 ( rarely over 4 ) feet in the tropics, that is native to Peru. It is often grown as an annual, typically not over 2 feet in cooler climates.
The wrinkled lance-shaped leaves are up to 3.2 inches in length.
The highly fragrant, lilac or purple ( rarely white ) flowers, up to 0.5 inches long, are borne on dense heads up to 12 inches wide, during summer.
It thrives in full sun to partial shade on fertile, well drained soil. Propagation is from seed or cuttings for cultivars.
* photos taken on Sep 2 2015 in Columbia, MD
* photo taken on Sep 20 2018 in Columbia, MD
* photo taken on Nov 10 2020 @ Brookside Gardens, Wheaton, MD
'Haskeils Form'
Vigorous, reaching up to 4 feet as an annual.
Lemoine'
Tall & vigorous, with purple flowers.
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