OXALIS

FAMILY: Oxalidaceae

TYPE
  • Perennials
SUN EXPOSURE
  • Full Sun
  • Partial Shade
WATER
  • Regular Water

Plant Details

Leaves typically divided into three leaflets, giving them the look of clover leaves. Flowers may be pink, white, rose, or yellow. Good in borders or pots. Resist deer.

wood sorrel, shamrock

oxalis acetosella

  • Zones US, MS, LS, CS; USDA 6-9.
  • From many northern temperate regions of the world.
  • To 5 inches high, spreading widely by rhizomes.
  • Typical clover-type leaves with three heart-shaped leaflets.
  • Blooms in late spring, bearing 34 inches-wide, white flowers with purple to pink veins; blossoms rise just above the foliage.
  • Can be somewhat invasive in its favored woodland conditions (moist, rich soil and partial shade).
  • See also Shamrock.

oxalis adenophylla

  • Zones US, MS, LS, CS; USDA 6-9.
  • Native to South America.
  • Dense, compact, leafy tuft to 4 inches high, 6 inches wide.
  • Each leaf has 9 to 22 crinkly, gray-green leaflets.
  • In late spring, 4- to 6 inches stalks bear 1 inches., bell-shaped flowers in lilac-pink with deeper veins.
  • Good rock garden plant or companion to bulbs such as species tulips or smaller kinds of narcissus, either in pots or in the ground.
  • Needs good drainage.
  • Plant tubers in fall, setting 1 inches deep, 35 inches apart.

PINK WOOD SORREL

oxalis articulata crassipes(Oxalis crassipes)

  • Zones MS, LS, CS, TS; USDA 7-11.
  • Probably from South America.
  • Similar to but slightly less hardy than the species Oxalis articulata rubra.
  • Like that species, it often becomes a weed in lawns in the Lower and Coastal South and is highly susceptible to rust.
  • Selection 'Alba' has white flowers; 'Rosea' naturally has pink flowers.

oxalis a

  • rubra (O.
  • rubra).
  • OXALIS, WOOD SORREL.
  • Zones US, MS, LS, CS, TS; USDA 6-11.
  • Native of Brazil and Argentina.
  • Forms low mounds, 612 inches tall and wide.
  • Cloverlike leaves with three notched leaflets.
  • Showy flowers in pink, rose, or lavender with darker veins, late winter or early spring.
  • Pretty as ground cover or in rock garden or front of border.
  • In fertile, moist soil in the Lower and Coastal South, it may spread and become hard to eradicate.
  • Very susceptible to rust.

oxalis brasiliensis

  • Zones CS, TS; USDA 9-11.
  • Native to Brazil.
  • To 6 inches high and wide, with purplish leaves to 1 inches long.
  • Blooms in spring and summer, bearing inch-wide reddish purple flowers with a yellow throat.
  • Plant bulbs in fall, setting them 1 inches deep, 35 inches apart.
  • Best used in pots.

oxalis depressa

  • Zones MS, LS, CS, TS; USDA 7-10.
  • Native to South Africa.
  • Cloverlike leaves remain tidy at 4 inches tall.
  • Rose-pink flowers open in a spiral to reveal a yellow throat.
  • Best grown in a pot to contain its spread in warm zones.

oxalis purpurea

  • Zones MS, LS, CS, TS; USDA 7-11.
  • Native to South Africa.
  • Grows to 4 inches tall and 6 inches wide; dark green leaves have large (up to 112 inches-wide) leaflets.
  • Bears 1- to 2 inches., rose-red flowers over a long period in fall and winter.
  • Spreads by bulbs and rhizome- like roots but is not aggressive or weedy.
  • Plant bulbs in fall, setting them 1 inches deep, 35 inches apart.
  • Improved kinds, sold under the name 'Grand Duchess', have larger flowers in rose-pink; and there are also 'Grand Duchess White' and 'Grand Duchess Lavender'.

good luck plant

oxalis tetraphylla

  • Zones MS, LS, CS, TS; USDA 7-11.
  • From Mexico.
  • Forms a clump to 610 inches high and wide.
  • Medium green leaves to 3 inches across have four leaflets instead of the usual three, each one banded purple toward the base.
  • In 'Iron Cross', the purple markings are more extensive splotches that form a cross shape.
  • Both species and selection are usually grown as foliage plants, but they bear attractive clusters of 1 inches., reddish flowers with greenish yellow throats in spring and summer.
  • Plant bulbs in fall1 inches deep, 35 inches apart.

oxalis triangularis(Oxalis regnellii)

  • Zones MS, LS, CS, TS; USDA 7-11.
  • Native to South America.
  • To 810 inches high, 1 feet wide.
  • Grows from rhizomes.
  • Green leaves 13 inches across; tiny white blossoms in spring and summer.
  • Oxalis t.
  • papilionacea (O.
  • r.
  • atropurpurea), called purple shamrock, features large, velvety purple leaves and pinkish lilac blossoms.
  • Tolerates drought.
  • Great garden plant.

candy cane sorrel

oxalis versicolor

  • Zones MS, LS, CS, TS; USDA 7-11.
  • Native to South Africa.
  • To 36 inches high and 8 inches wide.
  • Medium green leaves have deeply notched leaflets smaller than 12 inches wide.
  • Funnel-shaped flowers are white, over 1 inches wide, with a crimson margin on the petal backs; buds also show striping.
  • Plant bulbs in fall for spring flowers (set them 1 inches deep, 35 inches apart); bloom lasts for months.

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