Canada's Plant Hardiness Site

Data Entry

Choose a species from the list below.

Email us if the plant you wish to report is not listed on the site, or to report any nomenclature errors.

family: Rubiaceae

Houstonia caerulea azure bluets,mountain bluets,innocence,Quaker ladies
Houstonia canadensis Canada summer bluets,fringed houstonia
Houstonia longifolia longleaf bluet,slenderleaf bluet,longleaf summer bluet
Houstonia ouachitana

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