Baptisia Purple Smoke
Baptisia 'Purple Smoke' photo courtesy of Walters Gardens

False Indigo

Baptisia 'Purple Smoke' is a hybrid of two Baptisia species which was developed at the North Carolina Botanical Garden. It has long spikes of dusky violet-blue flowers atop charcoal grey stems and bushy grey green foliage. This is an excellent substitute for lupins which are much more difficult to grow. This plant combines well with Peonies, Achillea and Geranium 'Rozanne'.

  • Height: 91 - 122 cm (36 - 48 in)
  • Spread: 91 - 122 cm (36 - 48 in)
  • Cold Hardiness: Zone 4
  • Sun or Shade: sun
  • Bloom Time: late May to June
  • Leaf Colour: grey green
  • Bloom Colour: violet blue
  • Critter Resistance: deer
  • Nature Attraction: butterflies

Growing and Maintenance Tips

Baptisia is a low maintenance perennial that is extremely disease resistant. It is adaptable to a wide range of soil types but prefers average to dry, well drained soil in full sun. It can handle a couple of hours of shade but will be floppy in too much shade. It is very tap rooted and, once established, should not be disturbed. Old foliage should be cut down in the fall because the plant is unattractive once frost hits. Dividing this plant is not recommended.

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