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)
Fabaceae (Pea Family)
Boraginaceae (Borage family)
Caryophyllaceae (Carnation family)
Lamiaceae (Mint/salvia family)
Geraniaceae (Geranium family)
Geraniaceae (Geranium family)
Onagraceae (Evening primrose family)
Nyctaginaceae (Four O'clock Family)
Rosaceae (Rose family)
Onagraceae (Evening primrose family)
Fabaceae (Pea Family)
Orobanchaceae
Brassicaceae (Mustard family)
Brassicaceae (Mustard family)
Fabaceae (Pea Family)
Fabaceae (Pea Family)
Fabaceae (Pea Family)
Apocynaceae (Dogbane Family)
Caryophyllaceae (Carnation family)
Cleomaceae (Cleome family)
Primulaceae (Primrose Family)
Polygonaceae (Buckwheat/smartweed family)
Asteraceae (Sunflower family)
Asteraceae (Sunflower family)
Asteraceae (Sunflower family)
Asteraceae (Sunflower family)
Asteraceae (Sunflower family)
Asteraceae (Sunflower family)
Asteraceae (Sunflower family)
Onagraceae (Evening primrose family)
Amaryllidaceae (Onion family)
Amaryllidaceae (Onion family)
-Subfamily Allioideae
Caryophyllaceae (Carnation family)
Fabaceae (Pea Family)
Boraginaceae (Borage family)
Sub-family Hydrophyllaceae (Waterleaf family)
Boraginaceae (Borage family)
Sub-family Hydrophyllaceae (Waterleaf family)
Convolvulaceae (Morning glory family)
Ranunculaceae (Buttercup family)
Rosaceae (Rose family)
Asclepiadaceae (Milkweed Family)