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Narrow-Leaf Blue Star

Category:

A dense and mounded selection that features narrow, ferny foliage throughout the season; soft blue, star shaped flowers bloom in clusters from late spring to early summer; foliage turns a lovely golden yellow in the fall; easy to grow and low maintenance

Characteristics

Average Landscape Height:
24 inches
Average Landscape Width:
24 inches
Growth Rate:
slow
Genus:
Amsonia
Species:
hubrichtii
Flower Color:
steel blue
Flower Period:
from late spring to early summer
Summer Foliage Color:
lime green
Fall Color:
harvest
Minimum Light:
partial shade
Maximum Light:
full sun
Minimum Moisture:
average
Maximum Moisture:
moist
Plant Form:
mounded
Canopy:
closed
Pruning:
cut back in fall
Other Species Names:
Narrowleaf or Arkansas Bluestar, A. hubrichtii
Branching:
herbaceous
Density:
dense
Flower Form:
star

Ornamental Features

Narrow-Leaf Blue Star has steel blue star-shaped flowers at the ends of the stems from late spring to early summer, which are interesting on close inspection. The flowers are excellent for cutting. Its ferny leaves are lime green in color. As an added bonus, the foliage turns a gorgeous harvest gold in the fall.

Landscape Attributes

Narrow-Leaf Blue Star is a dense herbaceous perennial with a mounded form. It brings an extremely fine and delicate texture to the garden composition and should be used to full effect.

Planting & Growing

Narrow-Leaf Blue Star will grow to be about 24 inches tall at maturity, with a spread of 24 inches. Its foliage tends to remain dense right to the ground, not requiring facer plants in front. It grows at a slow rate, and under ideal conditions can be expected to live for approximately 20 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 does best in full sun to partial shade. It prefers to grow in average to moist conditions, and shouldn't be allowed to dry out. It is not particular as to soil pH, but grows best in rich soils. It is quite intolerant of urban pollution, therefore inner city or urban streetside plantings are best avoided. Consider applying a thick mulch around the root zone over the growing season to conserve soil moisture. This species is native to parts of North America. It can be propagated by cuttings.

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