Cuphea hyssopifolia Kunth is the correct and accepted scientific name for this species of Cuphea. It was first described by Karl(Carl) Sigismund Kunth in Nova Genera et Species Plantarum in 1824.
Plants of the World Online lists 261 accepted Cuphea species. The 2013 version of The Plant List said there were There 280 accepted species at that time (plus an additional 11 accepted infraspecific names), 500 synonyms, 1 unplaced and 52 unresolved names.
I bought my Mexican Heather from Lowe’s in the spring of 2009. It did very well in 2009 but only fairly well in 2010. I don’t think it came up in 2011. It may have performed better in more sun. The Mexican Heather is a nice looking plant with ferny-looking leaves. It flowers all along the stem. I wish it came in another color besides pink…
This plant is perennial in USDA zones 8a-11 but can be grown in Missouri as an annual. According to the Missouri Botanical Garden, it can also be grown as a container plant and as a houseplant. They tolerate heat and drought. New plants can be propagated from tip cuttings.
Origin: Mexico and Guatemala.
Zones: USDA Zones 8a-11 (10-40° F).
Size: 12-24” tall x 12-30” wide.
Light: Sun to part shade.
Water: Average water needs.
Propagation: Stem (tip) cuttings.
Uses: Beds, borders, containers, houseplant.
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