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Blue Hill Sage

Category:

Blue Hill Sage has masses of beautiful spikes of powder blue flowers rising above the foliage from late spring to early summer, which are most effective when planted in groupings. The flowers are excellent for cutting. Its fragrant narrow leaves remain green in color throughout the season.

Characteristics

Species:
x sylvestris
Other Species Names:
Perennial Salvia, Salvia x superba
Average Landscape Height:
12 inches (18 inches with the flowers)
Average Landscape Width:
18 inches
Genus:
Salvia
Cultivar:
Blue Hill
Branching:
herbaceous
Plant Form:
upright spreading
Canopy:
low
Growth Rate:
medium
Pruning:
spring cleanup
Spacing:
15 inches
Flower Color:
powder blue
Flower Period:
from late spring to early summer
Summer Foliage Color:
green
Maximum Light:
full sun
Minimum Light:
full sun
Maximum Moisture:
moist
Minimum Moisture:
dry
Pollution Tolerance:
medium

Ornamental Features

Blue Hill Sage has masses of beautiful spikes of powder blue flowers rising above the foliage from late spring to early summer, which are most effective when planted in groupings. The flowers are excellent for cutting. Its fragrant narrow leaves remain green in color throughout the season.

Landscape Attributes

Blue Hill Sage is an herbaceous perennial with an upright spreading habit of growth. Its relatively fine texture sets it apart from other garden plants with less refined foliage.

Planting & Growing

Blue Hill Sage will grow to be about 12 inches tall at maturity extending to 18 inches tall with the flowers, with a spread of 18 inches. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 15 inches apart. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 5 years. As an herbaceous perennial, this plant will usually die back to the crown each winter, and will regrow from the base each spring. Be careful not to disturb the crown in late winter when it may not be readily seen!

This plant should only be grown in full sunlight. It is very adaptable to both dry and moist locations, and should do just fine under typical garden conditions. It is not particular as to soil type or pH. It is somewhat tolerant of urban pollution. This particular variety is an interspecific hybrid. It can be propagated by cuttings; however, as a cultivated variety, be aware that it may be subject to certain restrictions or prohibitions on propagation.

Blue Hill Sage is a fine choice for the garden, but it is also a good selection for planting in outdoor pots and containers. It is often used as a 'filler' in the 'spiller-thriller-filler' container combination, providing a mass of flowers against which the larger thriller plants stand out. Note that when growing plants in outdoor containers and baskets, they may require more frequent waterings than they would in the yard or garden.

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