Wildflowers of Boulder, CO

This is a personal project, intended to showcase and help people identify the wild plants that grow around Boulder, Colorado.

Explore 180+ common and somewhat common species, as well as a several rare ones. Enter a search term (like 'Clover') or select filters below (like flower color: yellow and bloom time: July). Click on the name/photo of a plant to learn more about it.

Flower color
Bloom time
Family
Habitat/Life zone
Rarity (based on personal observation)
Asteraceae (Sunflower family)
Asteraceae (Sunflower family)
Asteraceae (Sunflower family)
Asteraceae (Sunflower family)
Asteraceae (Sunflower family)
Asteraceae (Sunflower family)
Asteraceae (Sunflower family)
Asteraceae (Sunflower family)
Asteraceae (Sunflower family)
Asteraceae (Sunflower family)
Asteraceae (Sunflower family)
Asteraceae (Sunflower family)
Asteraceae (Sunflower family)
Asteraceae (Sunflower family)
Asteraceae (Sunflower family)
Brassicaceae (Mustard family)
Brassicaceae (Mustard family)
Brassicaceae (Mustard family)
Brassicaceae (Mustard family)
Brassicaceae (Mustard family)
Brassicaceae (Mustard family)
Boraginaceae (Borage family)
Berberidaceae (Barberry family)
Cactaceae (Cacti family) -Subfamily: Opuntioideae
Crassulaceae (Stonecrop family)
Grossulariaceae (Currant family)
Fabaceae (Pea Family)
Fabaceae (Pea Family)
Fabaceae (Pea Family)
Fabaceae (Pea Family)
Rosaceae (Rose family)
Apiaceae/Umbelliferae (Celery/carrot family)
Scrophulariaceae (Figwort family)
Scrophulariaceae (Figwort family)
Loasaceae
Loasaceae
Onagraceae (Evening primrose family)
Hypericaceae (St. John´s Wort family)
Polygonaceae (Buckwheat/smartweed family)
Plantaginaceae (Plantain family)