Oxalis sp., Shamrock, Wood Sorrel

Oxalis sp.

Shamrock, Wood Sorrel
Family: Oxalidaceae
Origin: Mexico
USDA Zone: 3-11?
USDA Plant Hardiness MapGroundcover and low-growing 2ft plantSemi-shadeShadeKeep soil moistYellow, orange flowersRed, crimson, vinous flowersOrnamental foliageUnusual colorWhite, off-white flowersPink flowers

Oxalis like cool air and moist soil while they are growing. Bright indirect light is best, but they will grow in lower light levels. Fertilize weekly while they are growing with a balanced fertilizer. Shamrocks are bulbs, and they require a dormant period every once in a while. Restrict all watering. As with any bulb, let the leaves die back naturally. Do not remove any leaves until they are brown. Let the bulbs stay dormant for 3 to 4 weeks, then water and fertilize. In most indoor-grown shamrocks, this dormant period occurs 2 to 3 times a year.

Species and varieties:

Oxalis bowiei

Oxalis deppei Iron Cross

Oxalis Good Luck

Oxalis hedysaroides Rubra

Oxalis palmifrons

Oxalis pes caprae

Oxalis purpurea Grand Duchess Mix

Oxalis triangularis

Oxalis vulcanicola

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