Caltha palustris 'Flore Pleno'

Caltha palustris 'Flore Pleno' is a double-flowered marsh marigold with bright yellow, pompom-like blooms in spring, requiring wet conditions near ponds.

Sun: Full Sun.

Soil: Moist.

Hardiness: H7 — below −20°C.

Flowering: March, April, May.