Salvia × sylvestris ‘Blauhügel’ BLUE HILL. This salvia cultivar is a compact plant which typically grows only to 20″ tall. Features densely-flowered, spike-like racemes of pure blue flowers which bloom in June and continue throughout the summer. Flowers are attractive to bees and butterflies. A mint family member which has narrow, dark green, basal leaves (to 5″) and smaller stem leaves. This cultivar is synonymous with and sometimes listed as ‘Blue Mound’ Moreover, nurseries also often list and sell this cultivar under the name of Salvia nemerosa or Salvia x superba.
Common Name: wood sage
Type: Herbaceous perennial
Zone: 4 to 8
Height: 1.50 to 2.00 feet
Spread: 1.00 to 1.50 feet
Bloom Time: June to September
Bloom Description: Blue
Sun: Full sun
Water: Dry to medium
Flower: Showy, Good Cut, Good Dried
Tolerate: Deer, Drought, Dry Soil
Easily grown in average, dry to medium, well-drained soil in full sun. Tolerates drought. Prefers moist soils with cool nights. May become somewhat floppy in hot and humid summer conditions. Removing spent flower spikes helps extend bloom period.
No serious disease problems. Susceptible to leaf spot and rust. White fly and scale are occasional insect pests.
Provides long summer bloom to the perennial border, rock garden, cottage garden, wild garden or naturalized planting.