Pachyphragma macrophyllum

Pachyphragma macrophyllum

Pachyphragma macrophyllum (syn. Thlaspi macrophyllum) forms a solid, weed‑free, evergreen ground cover of rounded, ruffled leaves. In spring, elongating shoots open to rounded heads of small four‑petaled white flowers, blooming nearly a month. Mature plants reach 12–18 inches high in flower and spread 2–3 feet wide. Heat tolerant, related to garlic mustard but not invasive.

Key Features

• Evergreen, weed‑suppressing ground cover.
• Long‑lasting white spring flowers.
• Tolerates dense, dry shade in summer.

Growing Conditions

Humus‑rich, woodsy soil; full sun or light shade during active spring growth. Tolerates dense, dry shade in summer.

Care & Propagation

Sow seed in containers in a cold frame in fall, or divide/basal stem cuttings in late spring. Problems: slugs.

Landscape Uses

Beds, borders, ground covers, underplanting for shrubs; woodland garden.

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