Plants A-Z

Aptenia cordifolia

South African ice plant relative. Trailing stems to 2 ft. long are profusely set with inch-wide, heart...

Aquilegia caerulea

Rocky Mountain Columbine

Native to the Rockies; state flower of Colorado. To 1 1/2–3 ft. high, 2 ft. wide. Blue and white...

Aquilegia chrysantha

Golden-Spurred Columbine

Native to Arizona, New Mexico, and adjacent Mexico. One of the showiest species. Large, many-branched ...

Aquilegia desertorum

Arizona Columbine

Native to northern Arizona,Utah, New Mexico. Grows1 1/2 ft. high, 15 in. wide, withrich bright orange ...

Aquilegia flabellata

Columbine

From Japan. This stocky plant grows 8 in. to 1 1/2 ft. high, 1 ft. wide, with nodding, two-tone flower...

Aquilegia formosa

Western Columbine

Native from Northern California to Alaska, east to Montana and Utah. Plant grows 1 1/2 to 3 ft. tall, ...

Aquilegia vulgaris

European Columbine

Native to Europe. Plants grow 1 to 3 ft. tall. Nodding flowers to 2 in. across; short, knobby spurs ab...

Arabis caucasica

Wall Rockcress

Native from the Mediterranean to Iran. Dependable old favorite. Forms mat of leaves to 6 in. high, 1 1...

Arachniodes simplicior

Sometimes referred to as holly fern. Usually seen in its variety ­­Variegata­, growing...

Aralia elata

Angelica Tree

Native to Asia. Onlymoderately spiny. Leaves are 2–3 ft. long, divided into toothed, stalkless, 2–6-in...

Araucaria araucana

Monkey Puzzle Tree

Native to Chile. Arboreal oddity whose heavy, spreading branches and ropelike branchlets are closely s...

Araucaria bidwillii

Bunya-Bunya Tree

Native to Australia. Moderate growth; broadly rounded crown supplies dense shade. Juvenile leaves are ...