Baptisia ‘Indigo Spires’

(Indigo Spires Baptisia)


Hardiness Zones:

 3b  4a  4b  5a  5b  6a  6b  7a  7b  8a  8b  9a  9b

Quick Overview:

Unlike some Baptisia which can be tall and leggy, ‘Indigo Spires’ forms a densely branched, fully rounded clump of glaucous green foliage that extends far down the stems, leaving little bare stem showing at the base.

In early summer, 12-15” long spikes of deep violet purple flowers accented by a yellow keel are borne on all sides of the rounded clump, not just at the top, producing a bigger show of color overall. Secondary flower spikes extend the flowering time into midsummer.

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Easily grown in average, dry to medium, well-drained soil in full sun to part shade. Best in full sun. Tolerates drought and poor soils. Over time, plants develop slowly expanding clumps with deep and extensive root systems, and should not be disturbed once established. May be grown from seed, but takes several years to establish. Plants take on more of a shrubby appearance and tend to open up after bloom. Trimming or shearing foliage after bloom helps maintain rounded plant appearance and obviates a possible need for staking, but eliminates the developing seed pods which are so attractive.   (Courtesy of Missouri Botanical Gardens Plant Finder)

Additional information

Common Name

Indigo Spires Baptisia

Botanical Name

Baptisia 'Indigo Spires'


1 gallon

Evergreen or Deciduous


Hardiness Zone

3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b

Growth Rate


Light Requirements

Part-shade, Part-sun, Sun




3 to 4 ft.

Soil Condition


Water Needs


Blooming Period

mid spring to summer

Flower Color

Violet Purple with a yellow edge



Foliage Color


Deer Resistant


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