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Crater Lake Blue Speedwell – Intense Blue Star Flowers

Crater Lake Blue Speedwell: Graceful Spreader with Intense Blue Blooms

Star-shaped, intensely blue flowers cover this graceful spreading plant. Ideal for rock gardens, hanging baskets, or spilling over low walls. Easy to grow in most soils. Herbaceous perennial.

Plant Profile

Light: Full sun
Moisture: Moderate
Height: 2 feet or less
Spread: 1 foot or less

Photo credit: Doreen Wynja

Groundcovers: Ageratum 'Fields Blue': Reliable Blue Blooms for Edging and Containers; Lisianthus 'Lisa Blue' – Dwarf Blue for Low Light and High Heat; Lobelia 'Waterfall Blue' – Cascading Blue for Baskets and Walls; Petunia 'Daddy Blue': Ruffled Blue Blooms for Summer; Elijah Blue Fescue – Icy Blue Ornamental Grass; Royal Candles Speedwell – Upright Violet-Blue Spikes; Crater Lake Blue Speedwell – Intense Blue Stars for Rock Gardens & Walls; Delphinium 'Diamond Blue' – Upright High-Impact Blue Spikes; Elijah Blue Fescue – Icy Blue Ornamental Grass; Platycodon 'Astra Blue' – Compact Balloon Flower

Garden Articles

Georgia Blue Speedwell (Veronica peduncularis 'Georgia Blue'): Low Carpet of Spring Blue

Creeping Speedwell 'Blue Reflection' (Veronica): Blue Flowers for Pathways

Aster 'Pot N Patio Blue': Dwarf Double Blooms for Containers

Lobelia 'Regatta Midnight Blue' – Trailing Midnight Blue for Baskets

Lobelia 'Riviera Blue Eyes' – Compact Blue‑Eyed for Beds and Combos

Lobelia 'Riviera Blue Splash' – Compact Blue‑Splashed for Color Splashes

Royal Candles Speedwell: Violet-Blue Spikes for Long Season

Plants

Lobelia 'Riviera Midnight Blue' – Compact Midnight Blue for Deep Color

Lobelia 'Riviera Sky Blue' – Compact Sky Blue for Airy Splashes

Pansy 'Matrix Blue Blotch': Classic Blue with Dark Face

Pansy 'Matrix Blue Frost': Unique Frosted Blue Blooms

Petunia 'Dreams Sky Blue': Clear Blue for Summer

Phlox '21st Century Blue': Classic Cool-Season Blue

Vinca 'Titan Lavender Blue': Rare Blue-Lavender Giant Blooms