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Amsonia hubrichtii

Threadleaf bluestar

A graceful and long-lived native plant with very fine foliage. Clusters of steel blue flowers bloom in May and June on an full, upright plant. Excellent golden fall color. Thrives in full sun or part shade. No insect or pest problems. Found in Arkansas in 1942 by Leslie Hubricht. The Perennial Plant Association's 2011 Perennial Plant of the Year™.

Benefits

  • Cool blue spring flowers attract butterflies
  • Deer tend to leave this plant alone
  • Extraordinary golden fall color
  • Low maintenance, easy to grow perennial
  • 2011 Perennial Plant of the Year

Homeowner Growing and Maintenance Tips

Prefers full sun in moist, average or dry soil. Slow to grow at first, but takes off in the second year. Fall color is brightest in full sun. Use in borders, rock gardens, native gardens, cottage gardens or open woodland areas. Best when massed.


Height
3 ft

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Spread
2-3 ft

USDA Hardiness Zone 4-9

Native Range

In its native habitat, plants occur on rocky outcrops and dry creek banks.

Native Trivia

Butterflies are known for their completely liquid diets, whether they are sampling nectar from all sorts of different flowers, or they are using their long 'straw' to drink up water out of shallow ponds. 

Characteristics & Attributes

Sun
Deer Resistant
Wet Sun
Plan Sub Group
Medium Perennials
Medium to Tall Perennials
Exposure
Filtered Shade
Morning Sun / Afternoon Shade
Soil
Well-drained
Wide soil tolerance
Soil Moisture Preference
Average
Dry
Moist
Moist but well-drained
Bloom Time
Late Spring / Early Summer
Late Summer
Habitat Collection
Butterfly
Native Habitat
Grassland
Foliage Color
Green
Uses
Accent
Border
Drought tolerant
Mass plant
Meadow
Naturalizes
Rock garden
Specimen
Wind tolerant
Native to
Arkansas
Oklahoma