Throughout the summer, ‘Mystic Spires Blue’ produces long stalks of dark blue flowers, which continue to reward in abundance when deadheaded. Refresh tired plants in midsummer by cutting them back by half. This cultivar makes an excellent bedding or container plant.
Noteworthy CharacteristicsLong spires of dark blue blooms in summer. Attracts butterflies.
CareGrow in full sun and well-drained soil. Cut back plants by half in midsummer.
ProblemsNothing serious.
Fine Gardening Recommended Products
Dramm Revolution Adjustable 9-Pattern Metal Hose Nozzle
Fine Gardening receives a commission for items purchased through links on this site, including Amazon Associates and other affiliate advertising programs.
- Ergonomic insulated grip
- Maximum pressure of 90 PSI
- Fully adjustable spray pattern
- No trigger lock
Morvat Heavy Duty Brass Y-Valve
Fine Gardening receives a commission for items purchased through links on this site, including Amazon Associates and other affiliate advertising programs.
- Fitted with US Standard NH 3/4" threads for use with most water source fittings
- Screw the 2 way splitter adapter by hand or wrench with the updated hexagonal top connection. The 360° rotatable swivel connection attaches to any water source.
XLUX Soil Moisture Meter
Fine Gardening receives a commission for items purchased through links on this site, including Amazon Associates and other affiliate advertising programs.
- Simply insert the moisture meter into soil and you'll get the test result instantly
- Single probe, less hurts to the roots, doesn't dig up too much soil after test
- Genus : Salvia
- Plant Width : 1 to 3 feet
- Zones : 10, 7, 8, 9
- Plant Height : 3 to 6 feet
- Characteristics : Attracts Hummingbirds
- Uses : Containers
- Bloom Time : Early Summer, Late Summer, Summer
- Light : Full Sun
- Maintenance : Low
- Moisture : Medium Moisture
- Plant Type : Perennials
- Plant Seasonal Interest : Summer Interest
Plant Characteristics are only available to Fine Gardening members
Sign up for a free trial and get instant access to our complete plant guide as well as our entire collection of articles and videos.