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Indigo Spires False Indigo - 72-Cell Plug Tray

$781.00
$781.00 $1,434.24
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Size : 72-Cell Plug Tray
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About the Product

Indigo Spires forms a densely branched, fully rounded clump of glaucous green leaves that reach far down the stems, avoiding the bare, leggy look of some baptisias. In early summer, long spikes of deep violet purple flowers with yellow accents appear all around the plant, not just on top.

Secondary spikes keep it blooming into midsummer. At three and a half to four feet tall and wide, it can easily replace a shrub and will live for many years with little care. Deer leave it alone.

What it looks like

Long spikes 12 to 15 inches of pea-shaped flowers in deep violet purple with small yellow keel accents, borne on all sides of the plant. Leaves are three-parted with oval leaflets in glaucous blue-green, densely covering the stems nearly to the ground. The plant is a dense, fully rounded, shrub-like clump 42 to 48 inches tall and about 42 inches wide. At peak bloom violet spikes radiate from the entire dome of foliage.

Growing it with lavender

Indigo Spires grows in the same sunny, lean, well-drained soil as lavender, and its deep violet spikes overlap with lavender's first bloom for a layered purple planting.

Care

Plant in full sun to part shade in lean to average, well-drained soil; the deep taproot makes it drought tolerant once established. Hardy in USDA zones 4-9. Choose a permanent spot, since established plants do not like to be moved; expect a couple of seasons to settle in, and cut back in late fall or leave the seed pods for winter interest.

At a glance

  • Botanical name: Baptisia
  • Flower color: Deep violet purple with yellow accents
  • Foliage: Glaucous blue-green
  • Growth habit: Dense, fully rounded, shrub-like clump
  • Mature size: 42 in–4 ft tall × 42 in wide
  • USDA hardiness zones: 4–9
  • Light: full sun, part sun to part shade
  • Bloom start: Early-June
  • Peak bloom: Mid-June
  • Bloom pattern: Long Blooming
  • Deer resistance: Resistant
  • Pollinator value: Great

Sizes and shipping

One full 72-cell plug tray: 72 young starter plugs of this variety (cells about 1⅓ in. wide × 2½ in. deep), rooted and ready to pot up into quarts or gallons. Best for growers and nurseries. Potted plants and plug trays ship during our live-plant seasons, March 1–May 31 and October 1–November 30; June through September is local pickup only. Plugs, potted plants and trays do not ship to AZ, CA, HI, ID, NV, OR, UT or WA.

View Product Details
Mature height
48.0 in
Mature spread
42.0 in
Bloom
Early-June – peak Mid-June
Fragrance
None
Deer
Resistant

Lavender companion · grow guide

How to grow Indigo Spires

False Indigo · Baptisia

False indigo wants full sun and a permanent spot. It grows a deep taproot, so it is slow the first couple of years, then becomes a long-lived, drought-tolerant, shrub-sized perennial.

Check my zone & planting dates
Indigo Spires
  • Full sunLight
  • Moderate waterAverage drainage
  • pH 5.5–7.5Soil
  • Zones 4a–9bHardiness
  • 48″ tall42″ wide
  • ResistantDeer · rabbits resistant
  • Mildly toxicPets
Huckleberry, the farm dog

Huckleberry saysTell me where you grow and I’ll check if Indigo Spires will thrive there.

Hardy in zones 4a–9b

Spring or early fall. Choose the spot carefully; mature plants resent moving.

When it arrives

Your plug tray

Baptisia plugs are tiny compared to the mature plant. Pot into a deep 4–6 in pot or plant straight into the final spot so the taproot isn't disturbed. Keep moist the first season; expect slow top growth while roots build.

When to plant

Spring or early fall. Choose the spot carefully; mature plants resent moving.

How deep

Set the crown so the pinkish buds sit about 1 in below the soil surface, with the long roots pointing straight down in a deep hole.

Spacing

About 3–4 ft apart; mature plants are shrub-sized.

Soil

Average loam; tolerates clay, rocky and poor soils · pH 5.5–7.5

Fix-it tip: It fixes its own nitrogen, so skip rich amendments. Loosen soil deeply for the taproot. NC State lists slightly acidic soil as best, but it adapts widely.

Sun

Full sun (tolerates part sun).

In shade, stems get leggy and the plant flops open after bloom.

Dormant
New growth

Don’t give up on it

Is it alive? What spring looks like

Thick, asparagus-like shoots push up in mid-spring, often purple-gray at first. Young plants may send up only a few stems; blooms usually start the second or third year.

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