Growing Information

Growing zone guide
Growing Zone Zone 4, Zone 5, Zone 6, Zone 7, Zone 8
Sunlight Bright light
Type of Soil Alkaline to neutral
Mature Height 10 to 12 inches
Maintenance Level Low maintenance
Water Requirement Moderate watering (once a week)

Learn more about this plant

Additional Information
Growth Rate
  • Growth Rate: Moderate; typically grows about 12 to 18 inches per year.
  • Mature Height: Can reach heights of about 24 to 36 inches.
  • Mature Spread: Generally spreads about 12 to 18 inches wide.
Colorful Leaves No
Flowering Yes
Bloom Color Blue
Ornamental Berries N/A
Disease resistant Yes
Cold Tolerant Yes
Heat Tolerant Yes
Drought Tolerant No
Deer Resistant Yes
Edible No
Wildlife Attraction

Attracts butterflies, bees, and other beneficial insects, making it a great addition to pollinator-friendly gardens.

Self-pollinating Self-pollinating
Seasonality
  • Season of Interest: Late spring to summer.
  • Winter Interest: Foliage may persist through winter, adding structure to the garden.
Ideal For

– Excellent for borders, rock gardens, pollinator gardens, containers, edging, and mixed perennial beds; ideal for adding vibrant vertical color

Leaf Description
  • Leaves: Lance-shaped, dark green leaves that form a lush base for the flowering spikes.
  • Texture: The leaves are slightly serrated, adding visual interest and texture to the plant.
Flower Description
  • Flowering Period: Blooms from late spring to early summer.
  • Flower Description: Features impressive spikes of rich purple flowers that create a striking display and attract attention.
Pruning & Maintenance

Deadhead spent flowers to encourage additional blooming. Cut back the foliage in late fall or early spring for healthy new growth.

Water Needs

Water regularly during the growing season. Ensure the soil is kept evenly moist, especially during dry spells.

Light Needs

Prefers full sun, thriving with at least 6 to 8 hours of sunlight daily.

Harvesting

Not applicable; primarily ornamental.

Fertilizing

Apply a balanced fertilizer in early spring to support vigorous growth and blooming.

Additional Care Tips
  • Pest and Disease Resistance: Generally resistant to pests and diseases, making it a low-maintenance option.
  • Mulching: Apply mulch to retain moisture and suppress weeds.
Pollination

Attracts various pollinators; primarily self-pollinating.

Companion Plants N/A
Flowering and Seasonality
  • Season of Interest: Late spring to summer.
  • Winter Interest: Foliage may persist through winter, adding structure to the garden.
  • Flowering Period: Blooms from late spring to early summer.
  • Flower Description: Features impressive spikes of rich purple flowers that create a striking display and attract attention.
Pet Friendly

Yes

Growing Zone
  • Zone 4
  • Zone 5
  • Zone 6
  • Zone 7
  • Zone 8

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