Echinops bannaticus 'Star Frost' is a hardy perennial known for its perfect steel-blue spheres, superb fresh or dried. Echinops bannaticus 'Star Frost' flowers in summer in shades of silver, and performs best in full sun with low watering once established. This perennial matures to roughly 3-4 feet tall and 2-2.5 feet wide. It is ideal for perennial borders, cottage gardens, and pollinator plantings, offering dependable colour that returns every year. Once established it needs little attention, making Echinops bannaticus 'Star Frost' a dependable choice for Canadian gardens. It tolerates dry spells well once its roots are down.
Mature height: 3-4 feet
Mature width: 2-2.5 feet
Bloom: Silver, summer
Light: Full Sun
Water: Low — water deeply but infrequently once established
Hardiness: Zone 3-8
Maintenance: Low maintenance
Pruning: Cut back to the ground in late fall or early spring; deadhead spent blooms through the season to encourage rebloom.
🪴 Planting Instructions: Dig a hole slightly wider than the pot, keeping the top of the root ball level with the surrounding soil. Loosen circling roots before planting, backfill with native soil amended with compost, then water thoroughly to settle. Space plants about 2-2.5 feet apart and keep well watered through the first full season while roots establish. Plant in full sun.
💧 Care & Watering: Water low: water deeply but infrequently once established. Mulch to conserve moisture and moderate soil temperature, and feed with a balanced slow-release fertilizer in early spring. Cut back to the ground in late fall or early spring; deadhead spent blooms through the season to encourage rebloom.
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