Cactus and Succulents - Part Sun

Orbeanthus hardyi

Orbea hardyi

Low, creeping with trailing speckled stems. Grayish-green with mottled purple. Starfish-shaped carrion flowers with bowl-shaped center. Protect from frost.

Orostachys japonica

Unusual rosette-forming succulent with pyramidal bloom stalks. Large clusters. Monocarpic, will bloom in the 2nd or 3rd year.

Oscularia caulescens

Pairs of triangular leaves densely packed on stems. Blue-green leaves get purple edges in full sun. Reddish stems will get woody as they age. Small purple flowers in mid summer open in late afternoon heat. Grows 8-10″ tall, will spread 6 feet wide. Propagate by taking cuttings from new, soft stem tips only.

Oscularia deltoides

Low shrub; purple stems, boxy grey-green leaves. Winter-growing. Will get covered in small lavender daisy-like flowers in spring through the summer.

Othonna triplinervia

Small yellow daisy flowers. In the Aster Family. Forms a low round caudex topped with multiple branches. New leaves grow starting in October.

Oxalis adenophylla

Alpine, semi-succulent, with pink-tipped white flowers. Prefers full sun, but can handle some light shade.

Oxalis fabifolia

O. flava v. fabifolia
O. fabaefolia

Long strappy leaves, lemon-yellow flowers. Small bulbs, summer dormant.

Oxalis flava

Small succulent bulb with thickened leaves. Variable flowers – yellow, white and some purple. Rocky soils with some sand.

Winter growing, spring-summer flowers.

Oxalis flava v. lupinifolia

Small succulent bulb with thickened leaves. Rocky soils with some sand. Flowers range from white and yellow to full pink. Winter growing leaves, can bloom first in fall, or spring flowers before going dormant in summer.

Oxalis gigantea

This unusual Oxalis has twisting vertical branches that are leafless most of the year. In winter the stems are covered in tiny succulent leaves and tons of bright yellow flowers.

Oxalis namaquana

Large yellow flowers winter thru spring, some can bloom year-round. Palm-like leaves on upright stems. Keep dry when dormant in summer.

Oxalis palmifrons

Winter growing bulb with light pink flowers. Amazing palmate leaves. Will go dormant in the summer heat.

Oxalis peduncularis

Small vibrant yellow flowers with dark red sepals. Grows wide and shrubby, to 12″h. Will bloom year-round with enough sunlight except when dormant.

Oxalis polyphylla var. heptaphylla

Bulb that will bloom in the fall followed by winter growing leaves. Pink flowers on tall stalks above the grassy leaves. Thin-fingered palmate leaves, kind of creepy looking when first emerging from the ground right around Halloween.

Oxalis tetraphylla deppei

Small succulent bulb with clover leaves. Grows and flowers, pink flowers, spring through summer, bulbs multiply by fall. Dormant in winter. Can overwinter, but does best if you bring it in when cold.

Oxalis vulcanicola

O. spiralis ssp. vulcanicola

Small semi-succulent species with small clumps of reddish leaves

Pachycereus marginatus

Large straight and vertical stems to 12ft, can get to 20ft. Branch from the base. Small funnel-shaped rose flowers.

Pachyphytum haagei

P. hagii

Soft bluish color with pink tips in sun. Thick waxy leaves; tight clumps of 6″ rosettes.

Pachypodium brevicaule

Flattened caudex, slow to 2′; thick spines
Very little water in winter when dormant.

Pachypodium geayi

Single spiny swollen trunk to 18ft tall with narrow strappy leaves that have a central red mid-rib. Branches at top after reaching flowering size. White flowers.