Thermopsis Montana

Mountain Golden Banner, Golden Pea, False Lupine

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Plant Code: THMO

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Resembling a yellow lupine, Thermopsis Montana is so much easier to grow. Bright flowers are followed by velvety brown seed pods nestled in upright foliage. Likes a well-drained soil. Fantastic when paired with the blues of Baptisia.


Type: Perennials
Height: Medium 2-4'
Spacing: Plant 2' apart
Bloom Time: Early Summer to Late Summer
Sun-Shade: Full Sun to Mostly Sunny
Zones: 3-9   Find Your Zone
Soil Condition: Normal, Sandy
Flower: Yellow
Accent: Yellow
Pot Size: 3.5" square x 4" deep

Features to Note

  • Good for Cut Flowers
  • Blooms for 4 Weeks or More

Thermopsis General Information

Thermopsis are care-free, long-lived perennials for the spring border. Resemble lupines with pea-like flowers. For added interest, flowers are followed with narrow, flattened seed pods.

Thermopsis Plant Care

Prefers moist, well-drained soils. Slow to emerge in spring. Shear established clumps back by 1/2 after flowering to produce more compact growth. Slow to recover after being disturbed, so division is not recommended. Cut top growth back after being blackened by frost.