Wildflowers Encyclopedia

Armeria pseudarmeria (Large-flowered Thrift)

Armeria pseudarmeria is a robust evergreen tussock-forming perennial producing globe-shaped flower heads 2-4 cm across on stiff stalks 25-40 cm tall, composed of dozens of tiny pink or white flowers...

Armeria pseudarmeria (Large-flowered Thrift)

Armeria pseudarmeria is a robust evergreen tussock-forming perennial producing globe-shaped flower heads 2-4 cm across on stiff stalks 25-40 cm tall, composed of dozens of tiny pink or white flowers...

Coreopsis lanceolata (Lanceleaf Coreopsis)

Coreopsis lanceolata is a cheerful, long-blooming prairie perennial that produces an abundance of bright golden-yellow, 4-6 cm daisy-like flowers on slender wiry stems 30-60 cm tall from May through July,...

Coreopsis lanceolata (Lanceleaf Coreopsis)

Coreopsis lanceolata is a cheerful, long-blooming prairie perennial that produces an abundance of bright golden-yellow, 4-6 cm daisy-like flowers on slender wiry stems 30-60 cm tall from May through July,...

Sisymbrium officinale (Hedge Mustard)

Sisymbrium officinale is an erect annual or biennial of the mustard family reaching 30-90 cm, bearing tiny yellow flowers just 3-4 mm across in elongating racemes pressed tightly against stiffly...

Sisymbrium officinale (Hedge Mustard)

Sisymbrium officinale is an erect annual or biennial of the mustard family reaching 30-90 cm, bearing tiny yellow flowers just 3-4 mm across in elongating racemes pressed tightly against stiffly...

Caulophyllum thalictroides (Blue Cohosh)

Caulophyllum thalictroides is an architectural woodland perennial reaching 30-75 cm, with large 2-3 times ternately compound blue-green glaucous leaves resembling those of meadow rue (Thalictrum), producing inconspicuous yellowish-green to purplish-brown...

Caulophyllum thalictroides (Blue Cohosh)

Caulophyllum thalictroides is an architectural woodland perennial reaching 30-75 cm, with large 2-3 times ternately compound blue-green glaucous leaves resembling those of meadow rue (Thalictrum), producing inconspicuous yellowish-green to purplish-brown...

Achillea millefolium (Yarrow)

Achillea millefolium is a vigorous rhizomatous perennial of the Asteraceae, native across the entire Northern Hemisphere from sea level to 3,500 m elevation. Plants reach 20-100 cm with flat-topped corymbs...

Achillea millefolium (Yarrow)

Achillea millefolium is a vigorous rhizomatous perennial of the Asteraceae, native across the entire Northern Hemisphere from sea level to 3,500 m elevation. Plants reach 20-100 cm with flat-topped corymbs...

Hepatica nobilis (Common Hepatica)

Hepatica nobilis is a low-growing woodland perennial reaching just 5-15 cm tall, producing star-shaped flowers in shades of blue, violet, pink, or white that appear before new leaves in early...

Hepatica nobilis (Common Hepatica)

Hepatica nobilis is a low-growing woodland perennial reaching just 5-15 cm tall, producing star-shaped flowers in shades of blue, violet, pink, or white that appear before new leaves in early...