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

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