Isotoma
Isotoma fluviatilis is a low-growing, mat-forming perennial with tiny green leaves and masses of pale blue, star-shaped flowers throughout summer, excellent as ground cover.
Sun: Partial Shade.
Soil: Moist.
Hardiness: H4 — down to −10°C.
Isotoma fluviatilis is a low-growing, mat-forming perennial with tiny green leaves and masses of pale blue, star-shaped flowers throughout summer, excellent as ground cover.
Sun: Partial Shade.
Soil: Moist.
Hardiness: H4 — down to −10°C.